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Coupling Information

There are two basic types of MD-012 coupling. Part numbers for each are listed below.

Valve arrangement The Coupling (Female side) The Nipple (Male side)
Standard (with valves) MD-012-0-... MD-012-2-...
No valves (thru type) Use MD-012-0-... with -OV option Use MD-012-2-... with -OV option
MD-012 Couplings

End Fittings - Partial Part Number

(Refer to Part Number System)
BSPP (British Standard Pipe, Parallel) 
End fitting Self-sealing Coupling Self-sealing Nipple
BSPP(M) 1/2" MD-012-0-WR021-.. MD-012-2-WR021-..
BSPP(M) 3/4" MD-012-0-WR026-.. MD-012-2-WR026-..
BSPP(M) 1" MD-012-0-WR033-.. MD-012-2-WR033-..
BSPP(F) 1/2" MD-012-0-WR521-.. MD-012-2-WR521-..
BSPP(F) 3/4" MD-012-0-WR526-.. MD-012-2-WR526-..
NPT (National Pipe, Tapered)
End fitting Self-sealing Coupling Self-sealing Nipple
NPT(M) 1/2" MD-012-0-NP021-.. MD-012-2-NP021-..
NPT(M) 3/4" MD-012-0-NP026-.. MD-012-2-NP026-..
NPT(M) 1" MD-012-0-NP033-.. MD-012-2-NP033-..
NPT(F) 1/2" MD-012-0-NP521-.. MD-012-2-NP521-..
NPT(F) 3/4" MD-012-0-NP526-.. MD-012-2-NP526-..
BSPP(M) with 60° Female cone  (usually to fit hose ends with BSP swivel nuts)
End fitting Self-sealing Coupling Self-sealing Nipple
BSPP(M) 1/2" w/60° F cone  MD-012-0-VR021-.. MD-012-2-VR021-..
BSPP(M) 3/4" w/60° F cone  MD-012-0-VR026-.. MD-012-2-VR026-..
DIN 7631, M14 x 1.5mm with 60° Female cone (usually to fit hoses with metric swivel nuts)
End fitting Self-sealing Coupling Self-sealing Nipple
M18 x 1.5 MD-012-0-D1018-.. MD-012-2-D1018-..
M22 x 1.5 MD-012-0-D1222-.. MD-012-2-D1222-..
M22 x 1.5 bulkhead mount MD-012-0-DV015-.. MD-012-2-DV015-..
EO (Ermeto) to fit tube & ferrule 
End fitting Self-sealing Coupling Self-sealing Nipple
M18 x 1.5 12mm OD tube (Light) MD-012-0-L1218-.. MD-012-2-L1218-..
M22 x 1.5 10mm OD tube (Light) MD-012-0-L1522-.. MD-012-2-L1522-..
M24 x 1.5 12mm OD tube (Heavy) MD-012-0-S1624-.. MD-012-2-S1624-..

Dust Caps & Dust Plugs - Part numbers for Series MD-012

Material Plugs for Couplings (Female side) Caps for Adapters (Male side)
Non-pressure retaining1 MD-012-6-74-KU
medium pressure couplings		 MD-012-5-74-KU
medium pressure couplings
Pressure retaining2 MD-012-6-12 MD-012-5-19-1 (Nitrile)MD-012-5-19-2 (Viton)MD-012-5-19-4 (EPDM)

* Plugs and caps are available for both self-sealing & thru-type couplings and adapters.1. Soft PVC (grey)2. Zinc-plated/oil burnished steel body, nickel-plated steel chain and retaining ring

Flow Capacity

Flow Capacity for MD-012
Maxbar logo

1/2" BSPP(M), Self-sealing Coupling

Partial Part Number: MD-012-0-WR021-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-WR021-19-1
 MD-012-0-WR021-19-2
 MD-012-0-WR021-19-4
Brass, passivated MD-012-0-WR021-21-1
 MD-012-0-WR021-21-2
 MD-012-0-WR021-21-4
Steel, 316 stainless MD-012-0-WR021-01-1
 MD-012-0-WR021-01-2
 MD-012-0-WR021-01-4
Steel, electroless nickel pl. MD-012-0-WR021-13-1
 MD-012-0-WR021-13-2
 MD-012-0-WR021-13-4
Brass, electroless nickel pl. MD-012-0-WR021-24-1
 MD-012-0-WR021-24-2
 MD-012-0-WR021-24-4
Brass, chrome pl. MD-012-0-WR021-22-1
 MD-012-0-WR021-22-2
 MD-012-0-WR021-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

1/2" BSPP(M), Self-sealing Nipple

Partial Part Number: MD-012-2-WR021-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-WR021-19-1
 MD-012-2-WR021-19-2
 MD-012-2-WR021-19-4
Brass, passivated MD-012-2-WR021-21-1
 MD-012-2-WR021-21-2
 MD-012-2-WR021-21-4
Steel, 316 stainless MD-012-2-WR021-01-1
 MD-012-2-WR021-01-2
 MD-012-2-WR021-01-4
Steel, electroless nickel pl. MD-012-2-WR021-13-1
 MD-012-2-WR021-13-2
 MD-012-2-WR021-13-4
Brass, electroless nickel pl. MD-012-2-WR021-24-1
 MD-012-2-WR021-24-2
 MD-012-2-WR021-24-4
Brass, chrome pl. MD-012-2-WR021-22-1
 MD-012-2-WR021-22-2
 MD-012-2-WR021-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

3/4" BSPP(M), Self-sealing Coupling

Partial Part Number: MD-012-0-WR026-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-WR026-19-1
 MD-012-0-WR026-19-2
 MD-012-0-WR026-19-4
Brass, passivated MD-012-0-WR026-21-1
 MD-012-0-WR026-21-2
 MD-012-0-WR026-21-4
Steel, 316 stainless MD-012-0-WR026-01-1
 MD-012-0-WR026-01-2
 MD-012-0-WR026-01-4
Steel, electroless nickel pl. MD-012-0-WR026-13-1
 MD-012-0-WR026-13-2
 MD-012-0-WR026-13-4
Brass, electroless nickel pl. MD-012-0-WR026-24-1
 MD-012-0-WR026-24-2
 MD-012-0-WR026-24-4
Brass, chrome pl. MD-012-0-WR026-22-1
 MD-012-0-WR026-22-2
 MD-012-0-WR026-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

3/4" BSPP(M), Self-sealing Nipple

Partial Part Number: MD-012-2-WR026-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-WR026-19-1
 MD-012-2-WR026-19-2
 MD-012-2-WR026-19-4
Brass, passivated MD-012-2-WR026-21-1
 MD-012-2-WR026-21-2
 MD-012-2-WR026-21-4
Steel, 316 stainless MD-012-2-WR026-01-1
 MD-012-2-WR026-01-2
 MD-012-2-WR026-01-4
Steel, electroless nickel pl. MD-012-2-WR026-13-1
 MD-012-2-WR026-13-2
 MD-012-2-WR026-13-4
Brass, electroless nickel pl. MD-012-2-WR026-24-1
 MD-012-2-WR026-24-2
 MD-012-2-WR026-24-4
Brass, chrome pl. MD-012-2-WR026-22-1
 MD-012-2-WR026-22-2
 MD-012-2-WR026-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

1" BSPP(M), Self-sealing Coupling

Partial Part Number: MD-012-0-WR033-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-WR033-19-1
 MD-012-0-WR033-19-2
 MD-012-0-WR033-19-4
Brass, passivated MD-012-0-WR033-21-1
 MD-012-0-WR033-21-2
 MD-012-0-WR033-21-4
Steel, 316 stainless MD-012-0-WR033-01-1
 MD-012-0-WR033-01-2
 MD-012-0-WR033-01-4
Steel, electroless nickel pl. MD-012-0-WR033-13-1
 MD-012-0-WR033-13-2
 MD-012-0-WR033-13-4
Brass, electroless nickel pl. MD-012-0-WR033-24-1
 MD-012-0-WR033-24-2
 MD-012-0-WR033-24-4
Brass, chrome pl. MD-012-0-WR033-22-1
 MD-012-0-WR033-22-2
 MD-012-0-WR033-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

1" BSPP(M), Self-sealing Nipple

Partial Part Number: MD-012-2-WR033-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-WR033-19-1
 MD-012-2-WR033-19-2
 MD-012-2-WR033-19-4
Brass, passivated MD-012-2-WR033-21-1
 MD-012-2-WR033-21-2
 MD-012-2-WR033-21-4
Steel, 316 stainless MD-012-2-WR033-01-1
 MD-012-2-WR033-01-2
 MD-012-2-WR033-01-4
Steel, electroless nickel pl. MD-012-2-WR033-13-1
 MD-012-2-WR033-13-2
 MD-012-2-WR033-13-4
Brass, electroless nickel pl. MD-012-2-WR033-24-1
 MD-012-2-WR033-24-2
 MD-012-2-WR033-24-4
Brass, chrome pl. MD-012-2-WR033-22-1
 MD-012-2-WR033-22-2
 MD-012-2-WR033-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

1/2" BSPP(F), Self-sealing Coupling

Partial Part Number: MD-012-0-WR521-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-WR521-19-1
 MD-012-0-WR521-19-2
 MD-012-0-WR521-19-4
Brass, passivated MD-012-0-WR521-21-1
 MD-012-0-WR521-21-2
 MD-012-0-WR521-21-4
Steel, 316 stainless MD-012-0-WR521-01-1
 MD-012-0-WR521-01-2
 MD-012-0-WR521-01-4
Steel, electroless nickel pl. MD-012-0-WR521-13-1
 MD-012-0-WR521-13-2
 MD-012-0-WR521-13-4
Brass, electroless nickel pl. MD-012-0-WR521-24-1
 MD-012-0-WR521-24-2
 MD-012-0-WR521-24-4
Brass, chrome pl. MD-012-0-WR521-22-1
 MD-012-0-WR521-22-2
 MD-012-0-WR521-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

1/2" BSPP(F), Self-sealing Nipple

Partial Part Number: MD-012-2-WR521-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-WR521-19-1
 MD-012-2-WR521-19-2
 MD-012-2-WR521-19-4
Brass, passivated MD-012-2-WR521-21-1
 MD-012-2-WR521-21-2
 MD-012-2-WR521-21-4
Steel, 316 stainless MD-012-2-WR521-01-1
 MD-012-2-WR521-01-2
 MD-012-2-WR521-01-4
Steel, electroless nickel pl. MD-012-2-WR521-13-1
 MD-012-2-WR521-13-2
 MD-012-2-WR521-13-4
Brass, electroless nickel pl. MD-012-2-WR521-24-1
 MD-012-2-WR521-24-2
 MD-012-2-WR521-24-4
Brass, chrome pl. MD-012-2-WR521-22-1
 MD-012-2-WR521-22-2
 MD-012-2-WR521-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

3/4" BSPP(F), Self-sealing Coupling

Partial Part Number: MD-012-0-WR526-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-WR526-19-1
 MD-012-0-WR526-19-2
 MD-012-0-WR526-19-4
Brass, passivated MD-012-0-WR526-21-1
 MD-012-0-WR526-21-2
 MD-012-0-WR526-21-4
Steel, 316 stainless MD-012-0-WR526-01-1
 MD-012-0-WR526-01-2
 MD-012-0-WR526-01-4
Steel, electroless nickel pl. MD-012-0-WR526-13-1
 MD-012-0-WR526-13-2
 MD-012-0-WR526-13-4
Brass, electroless nickel pl. MD-012-0-WR526-24-1
 MD-012-0-WR526-24-2
 MD-012-0-WR526-24-4
Brass, chrome pl. MD-012-0-WR526-22-1
 MD-012-0-WR526-22-2
 MD-012-0-WR526-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

3/4" BSPP(F), Self-sealing Nipple

Partial Part Number: MD-012-2-WR526-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-WR526-19-1
 MD-012-2-WR526-19-2
 MD-012-2-WR526-19-4
Brass, passivated MD-012-2-WR526-21-1
 MD-012-2-WR526-21-2
 MD-012-2-WR526-21-4
Steel, 316 stainless MD-012-2-WR526-01-1
 MD-012-2-WR526-01-2
 MD-012-2-WR526-01-4
Steel, electroless nickel pl. MD-012-2-WR526-13-1
 MD-012-2-WR526-13-2
 MD-012-2-WR526-13-4
Brass, electroless nickel pl. MD-012-2-WR526-24-1
 MD-012-2-WR526-24-2
 MD-012-2-WR526-24-4
Brass, chrome pl. MD-012-2-WR526-22-1
 MD-012-2-WR526-22-2
 MD-012-2-WR526-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

1/2" NPT(M), Self-sealing Coupling

Partial Part Number: MD-012-0-NP021-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-NP021-19-1
 MD-012-0-NP021-19-2
 MD-012-0-NP021-19-4
Brass, passivated MD-012-0-NP021-21-1
 MD-012-0-NP021-21-2
 MD-012-0-NP021-21-4
Steel, 316 stainless MD-012-0-NP021-01-1
 MD-012-0-NP021-01-2
 MD-012-0-NP021-01-4
Steel, electroless nickel pl. MD-012-0-NP021-13-1
 MD-012-0-NP021-13-2
 MD-012-0-NP021-13-4
Brass, electroless nickel pl. MD-012-0-NP021-24-1
 MD-012-0-NP021-24-2
 MD-012-0-NP021-24-4
Brass, chrome pl. MD-012-0-NP021-22-1
 MD-012-0-NP021-22-2
 MD-012-0-NP021-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

1/2" NPT(M), Self-sealing Nipple

Partial Part Number: MD-012-2-NP021-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-NP021-19-1
 MD-012-2-NP021-19-2
 MD-012-2-NP021-19-4
Brass, passivated MD-012-2-NP021-21-1
 MD-012-2-NP021-21-2
 MD-012-2-NP021-21-4
Steel, 316 stainless MD-012-2-NP021-01-1
 MD-012-2-NP021-01-2
 MD-012-2-NP021-01-4
Steel, electroless nickel pl. MD-012-2-NP021-13-1
 MD-012-2-NP021-13-2
 MD-012-2-NP021-13-4
Brass, electroless nickel pl. MD-012-2-NP021-24-1
 MD-012-2-NP021-24-2
 MD-012-2-NP021-24-4
Brass, chrome pl. MD-012-2-NP021-22-1
 MD-012-2-NP021-22-2
 MD-012-2-NP021-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

3/4" NPT(M), Self-sealing Coupling

Partial Part Number: MD-012-0-NP026-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-NP026-19-1
 MD-012-0-NP026-19-2
 MD-012-0-NP026-19-4
Brass, passivated MD-012-0-NP026-21-1
 MD-012-0-NP026-21-2
 MD-012-0-NP026-21-4
Steel, 316 stainless MD-012-0-NP026-01-1
 MD-012-0-NP026-01-2
 MD-012-0-NP026-01-4
Steel, electroless nickel pl. MD-012-0-NP026-13-1
 MD-012-0-NP026-13-2
 MD-012-0-NP026-13-4
Brass, electroless nickel pl. MD-012-0-NP026-24-1
 MD-012-0-NP026-24-2
 MD-012-0-NP026-24-4
Brass, chrome pl. MD-012-0-NP026-22-1
 MD-012-0-NP026-22-2
 MD-012-0-NP026-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

3/4" NPT(M), Self-sealing Nipple

Partial Part Number: MD-012-2-NP026-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-NP026-19-1
 MD-012-2-NP026-19-2
 MD-012-2-NP026-19-4
Brass, passivated MD-012-2-NP026-21-1
 MD-012-2-NP026-21-2
 MD-012-2-NP026-21-4
Steel, 316 stainless MD-012-2-NP026-01-1
 MD-012-2-NP026-01-2
 MD-012-2-NP026-01-4
Steel, electroless nickel pl. MD-012-2-NP026-13-1
 MD-012-2-NP026-13-2
 MD-012-2-NP026-13-4
Brass, electroless nickel pl. MD-012-2-NP026-24-1
 MD-012-2-NP026-24-2
 MD-012-2-NP026-24-4
Brass, chrome pl. MD-012-2-NP026-22-1
 MD-012-2-NP026-22-2
 MD-012-2-NP026-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

1" NPT(M), Self-sealing Coupling

Partial Part Number: MD-012-0-NP033-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-NP033-19-1
 MD-012-0-NP033-19-2
 MD-012-0-NP033-19-4
Brass, passivated MD-012-0-NP033-21-1
 MD-012-0-NP033-21-2
 MD-012-0-NP033-21-4
Steel, 316 stainless MD-012-0-NP033-01-1
 MD-012-0-NP033-01-2
 MD-012-0-NP033-01-4
Steel, electroless nickel pl. MD-012-0-NP033-13-1
 MD-012-0-NP033-13-2
 MD-012-0-NP033-13-4
Brass, electroless nickel pl. MD-012-0-NP033-24-1
 MD-012-0-NP033-24-2
 MD-012-0-NP033-24-4
Brass, chrome pl. MD-012-0-NP033-22-1
 MD-012-0-NP033-22-2
 MD-012-0-NP033-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

1" NPT(M), Self-sealing Nipple

Partial Part Number: MD-012-2-NP033-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-NP033-19-1
 MD-012-2-NP033-19-2
 MD-012-2-NP033-19-4
Brass, passivated MD-012-2-NP033-21-1
 MD-012-2-NP033-21-2
 MD-012-2-NP033-21-4
Steel, 316 stainless MD-012-2-NP033-01-1
 MD-012-2-NP033-01-2
 MD-012-2-NP033-01-4
Steel, electroless nickel pl. MD-012-2-NP033-13-1
 MD-012-2-NP033-13-2
 MD-012-2-NP033-13-4
Brass, electroless nickel pl. MD-012-2-NP033-24-1
 MD-012-2-NP033-24-2
 MD-012-2-NP033-24-4
Brass, chrome pl. MD-012-2-NP033-22-1
 MD-012-2-NP033-22-2
 MD-012-2-NP033-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

1/2" NPT(F), Self-sealing Coupling

Partial Part Number: MD-012-0-NP521-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-NP521-19-1
 MD-012-0-NP521-19-2
 MD-012-0-NP521-19-4
Brass, passivated MD-012-0-NP521-21-1
 MD-012-0-NP521-21-2
 MD-012-0-NP521-21-4
Steel, 316 stainless MD-012-0-NP521-01-1
 MD-012-0-NP521-01-2
 MD-012-0-NP521-01-4
Steel, electroless nickel pl. MD-012-0-NP521-13-1
 MD-012-0-NP521-13-2
 MD-012-0-NP521-13-4
Brass, electroless nickel pl. MD-012-0-NP521-24-1
 MD-012-0-NP521-24-2
 MD-012-0-NP521-24-4
Brass, chrome pl. MD-012-0-NP521-22-1
 MD-012-0-NP521-22-2
 MD-012-0-NP521-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

1/2" NPT(F), Self-sealing Nipple

Partial Part Number: MD-012-2-NP521-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-NP521-19-1
 MD-012-2-NP521-19-2
 MD-012-2-NP521-19-4
Brass, passivated MD-012-2-NP521-21-1
 MD-012-2-NP521-21-2
 MD-012-2-NP521-21-4
Steel, 316 stainless MD-012-2-NP521-01-1
 MD-012-2-NP521-01-2
 MD-012-2-NP521-01-4
Steel, electroless nickel pl. MD-012-2-NP521-13-1
 MD-012-2-NP521-13-2
 MD-012-2-NP521-13-4
Brass, electroless nickel pl. MD-012-2-NP521-24-1
 MD-012-2-NP521-24-2
 MD-012-2-NP521-24-4
Brass, chrome pl. MD-012-2-NP521-22-1
 MD-012-2-NP521-22-2
 MD-012-2-NP521-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

3/4" NPT(F), Self-sealing Coupling

Partial Part Number: MD-012-0-NP526-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-NP526-19-1
 MD-012-0-NP526-19-2
 MD-012-0-NP526-19-4
Brass, passivated MD-012-0-NP526-21-1
 MD-012-0-NP526-21-2
 MD-012-0-NP526-21-4
Steel, 316 stainless MD-012-0-NP526-01-1
 MD-012-0-NP526-01-2
 MD-012-0-NP526-01-4
Steel, electroless nickel pl. MD-012-0-NP526-13-1
 MD-012-0-NP526-13-2
 MD-012-0-NP526-13-4
Brass, electroless nickel pl. MD-012-0-NP526-24-1
 MD-012-0-NP526-24-2
 MD-012-0-NP526-24-4
Brass, chrome pl. MD-012-0-NP526-22-1
 MD-012-0-NP526-22-2
 MD-012-0-NP526-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

3/4" NPT(F), Self-sealing Nipple

Partial Part Number: MD-012-2-NP526-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-NP526-19-1
 MD-012-2-NP526-19-2
 MD-012-2-NP526-19-4
Brass, passivated MD-012-2-NP526-21-1
 MD-012-2-NP526-21-2
 MD-012-2-NP526-21-4
Steel, 316 stainless MD-012-2-NP526-01-1
 MD-012-2-NP526-01-2
 MD-012-2-NP526-01-4
Steel, electroless nickel pl. MD-012-2-NP526-13-1
 MD-012-2-NP526-13-2
 MD-012-2-NP526-13-4
Brass, electroless nickel pl. MD-012-2-NP526-24-1
 MD-012-2-NP526-24-2
 MD-012-2-NP526-24-4
Brass, chrome pl. MD-012-2-NP526-22-1
 MD-012-2-NP526-22-2
 MD-012-2-NP526-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

1/2" BSPP(M) w/60° F cone, Self-sealing Coupling

Partial Part Number: MD-012-0-VR021-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-VR021-19-1
 MD-012-0-VR021-19-2
 MD-012-0-VR021-19-4
Brass, passivated MD-012-0-VR021-21-1
 MD-012-0-VR021-21-2
 MD-012-0-VR021-21-4
Steel, 316 stainless MD-012-0-VR021-01-1
 MD-012-0-VR021-01-2
 MD-012-0-VR021-01-4
Steel, electroless nickel pl. MD-012-0-VR021-13-1
 MD-012-0-VR021-13-2
 MD-012-0-VR021-13-4
Brass, electroless nickel pl. MD-012-0-VR021-24-1
 MD-012-0-VR021-24-2
 MD-012-0-VR021-24-4
Brass, chrome pl. MD-012-0-VR021-22-1
 MD-012-0-VR021-22-2
 MD-012-0-VR021-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

1/2" BSPP(M) w/60° F cone, Self-sealing Nipple

Partial Part Number: MD-012-2-VR021-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-VR021-19-1
 MD-012-2-VR021-19-2
 MD-012-2-VR021-19-4
Brass, passivated MD-012-2-VR021-21-1
 MD-012-2-VR021-21-2
 MD-012-2-VR021-21-4
Steel, 316 stainless MD-012-2-VR021-01-1
 MD-012-2-VR021-01-2
 MD-012-2-VR021-01-4
Steel, electroless nickel pl. MD-012-2-VR021-13-1
 MD-012-2-VR021-13-2
 MD-012-2-VR021-13-4
Brass, electroless nickel pl. MD-012-2-VR021-24-1
 MD-012-2-VR021-24-2
 MD-012-2-VR021-24-4
Brass, chrome pl. MD-012-2-VR021-22-1
 MD-012-2-VR021-22-2
 MD-012-2-VR021-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

3/4" BSPP(M) w/60° F cone, Self-sealing Coupling

Partial Part Number: MD-012-0-VR026-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-VR026-19-1
 MD-012-0-VR026-19-2
 MD-012-0-VR026-19-4
Brass, passivated MD-012-0-VR026-21-1
 MD-012-0-VR026-21-2
 MD-012-0-VR026-21-4
Steel, 316 stainless MD-012-0-VR026-01-1
 MD-012-0-VR026-01-2
 MD-012-0-VR026-01-4
Steel, electroless nickel pl. MD-012-0-VR026-13-1
 MD-012-0-VR026-13-2
 MD-012-0-VR026-13-4
Brass, electroless nickel pl. MD-012-0-VR026-24-1
 MD-012-0-VR026-24-2
 MD-012-0-VR026-24-4
Brass, chrome pl. MD-012-0-VR026-22-1
 MD-012-0-VR026-22-2
 MD-012-0-VR026-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

3/4" BSPP(M) w/60° F cone, Self-sealing Nipple

Partial Part Number: MD-012-2-VR026-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-VR026-19-1
 MD-012-2-VR026-19-2
 MD-012-2-VR026-19-4
Brass, passivated MD-012-2-VR026-21-1
 MD-012-2-VR026-21-2
 MD-012-2-VR026-21-4
Steel, 316 stainless MD-012-2-VR026-01-1
 MD-012-2-VR026-01-2
 MD-012-2-VR026-01-4
Steel, electroless nickel pl. MD-012-2-VR026-13-1
 MD-012-2-VR026-13-2
 MD-012-2-VR026-13-4
Brass, electroless nickel pl. MD-012-2-VR026-24-1
 MD-012-2-VR026-24-2
 MD-012-2-VR026-24-4
Brass, chrome pl. MD-012-2-VR026-22-1
 MD-012-2-VR026-22-2
 MD-012-2-VR026-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

M18 x 1.5 w/60° F cone, Self-sealing Coupling

Partial Part Number: MD-012-0-D1018-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-D1018-19-1
 MD-012-0-D1018-19-2
 MD-012-0-D1018-19-4
Brass, passivated MD-012-0-D1018-21-1
 MD-012-0-D1018-21-2
 MD-012-0-D1018-21-4
Steel, 316 stainless MD-012-0-D1018-01-1
 MD-012-0-D1018-01-2
 MD-012-0-D1018-01-4
Steel, electroless nickel pl. MD-012-0-D1018-13-1
 MD-012-0-D1018-13-2
 MD-012-0-D1018-13-4
Brass, electroless nickel pl. MD-012-0-D1018-24-1
 MD-012-0-D1018-24-2
 MD-012-0-D1018-24-4
Brass, chrome pl. MD-012-0-D1018-22-1
 MD-012-0-D1018-22-2
 MD-012-0-D1018-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

M18 x 1.5 w/60° F cone, Self-sealing Nipple

Partial Part Number: MD-012-2-D1018-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-D1018-19-1
 MD-012-2-D1018-19-2
 MD-012-2-D1018-19-4
Brass, passivated MD-012-2-D1018-21-1
 MD-012-2-D1018-21-2
 MD-012-2-D1018-21-4
Steel, 316 stainless MD-012-2-D1018-01-1
 MD-012-2-D1018-01-2
 MD-012-2-D1018-01-4
Steel, electroless nickel pl. MD-012-2-D1018-13-1
 MD-012-2-D1018-13-2
 MD-012-2-D1018-13-4
Brass, electroless nickel pl. MD-012-2-D1018-24-1
 MD-012-2-D1018-24-2
 MD-012-2-D1018-24-4
Brass, chrome pl. MD-012-2-D1018-22-1
 MD-012-2-D1018-22-2
 MD-012-2-D1018-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

M22 x 1.5 w/60° F cone, Self-sealing Coupling

Partial Part Number: MD-012-0-D1222-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-D1222-19-1
 MD-012-0-D1222-19-2
 MD-012-0-D1222-19-4
Brass, passivated MD-012-0-D1222-21-1
 MD-012-0-D1222-21-2
 MD-012-0-D1222-21-4
Steel, 316 stainless MD-012-0-D1222-01-1
 MD-012-0-D1222-01-2
 MD-012-0-D1222-01-4
Steel, electroless nickel pl. MD-012-0-D1222-13-1
 MD-012-0-D1222-13-2
 MD-012-0-D1222-13-4
Brass, electroless nickel pl. MD-012-0-D1222-24-1
 MD-012-0-D1222-24-2
 MD-012-0-D1222-24-4
Brass, chrome pl. MD-012-0-D1222-22-1
 MD-012-0-D1222-22-2
 MD-012-0-D1222-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

M22 x 1.5 w/60° F cone, Self-sealing Nipple

Partial Part Number: MD-012-2-D1222-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-D1222-19-1
 MD-012-2-D1222-19-2
 MD-012-2-D1222-19-4
Brass, passivated MD-012-2-D1222-21-1
 MD-012-2-D1222-21-2
 MD-012-2-D1222-21-4
Steel, 316 stainless MD-012-2-D1222-01-1
 MD-012-2-D1222-01-2
 MD-012-2-D1222-01-4
Steel, electroless nickel pl. MD-012-2-D1222-13-1
 MD-012-2-D1222-13-2
 MD-012-2-D1222-13-4
Brass, electroless nickel pl. MD-012-2-D1222-24-1
 MD-012-2-D1222-24-2
 MD-012-2-D1222-24-4
Brass, chrome pl. MD-012-2-D1222-22-1
 MD-012-2-D1222-22-2
 MD-012-2-D1222-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

M22 x 1.5 w/60° F cone, bulkhead mount, Self-sealing Coupling

Partial Part Number: MD-012-0-DV015-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-DV015-19-1
 MD-012-0-DV015-19-2
 MD-012-0-DV015-19-4
Brass, passivated MD-012-0-DV015-21-1
 MD-012-0-DV015-21-2
 MD-012-0-DV015-21-4
Steel, 316 stainless MD-012-0-DV015-01-1
 MD-012-0-DV015-01-2
 MD-012-0-DV015-01-4
Steel, electroless nickel pl. MD-012-0-DV015-13-1
 MD-012-0-DV015-13-2
 MD-012-0-DV015-13-4
Brass, electroless nickel pl. MD-012-0-DV015-24-1
 MD-012-0-DV015-24-2
 MD-012-0-DV015-24-4
Brass, chrome pl. MD-012-0-DV015-22-1
 MD-012-0-DV015-22-2
 MD-012-0-DV015-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

M22 x 1.5 w/60° F cone, bulkhead mount, Self-sealing Nipple

Partial Part Number: MD-012-2-DV015-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-DV015-19-1
 MD-012-2-DV015-19-2
 MD-012-2-DV015-19-4
Brass, passivated MD-012-2-DV015-21-1
 MD-012-2-DV015-21-2
 MD-012-2-DV015-21-4
Steel, 316 stainless MD-012-2-DV015-01-1
 MD-012-2-DV015-01-2
 MD-012-2-DV015-01-4
Steel, electroless nickel pl. MD-012-2-DV015-13-1
 MD-012-2-DV015-13-2
 MD-012-2-DV015-13-4
Brass, electroless nickel pl. MD-012-2-DV015-24-1
 MD-012-2-DV015-24-2
 MD-012-2-DV015-24-4
Brass, chrome pl. MD-012-2-DV015-22-1
 MD-012-2-DV015-22-2
 MD-012-2-DV015-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

M18 x 1.5 12mm tube OD (Light), Self-sealing Coupling

Partial Part Number: MD-012-0-L1218-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-L1218-19-1
 MD-012-0-L1218-19-2
 MD-012-0-L1218-19-4
Brass, passivated MD-012-0-L1218-21-1
 MD-012-0-L1218-21-2
 MD-012-0-L1218-21-4
Steel, 316 stainless MD-012-0-L1218-01-1
 MD-012-0-L1218-01-2
 MD-012-0-L1218-01-4
Steel, electroless nickel pl. MD-012-0-L1218-13-1
 MD-012-0-L1218-13-2
 MD-012-0-L1218-13-4
Brass, electroless nickel pl. MD-012-0-L1218-24-1
 MD-012-0-L1218-24-2
 MD-012-0-L1218-24-4
Brass, chrome pl. MD-012-0-L1218-22-1
 MD-012-0-L1218-22-2
 MD-012-0-L1218-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

M18 x 1.5 12mm tube OD (Light), Self-sealing Nipple

Partial Part Number: MD-012-2-L1218-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-L1218-19-1
 MD-012-2-L1218-19-2
 MD-012-2-L1218-19-4
Brass, passivated MD-012-2-L1218-21-1
 MD-012-2-L1218-21-2
 MD-012-2-L1218-21-4
Steel, 316 stainless MD-012-2-L1218-01-1
 MD-012-2-L1218-01-2
 MD-012-2-L1218-01-4
Steel, electroless nickel pl. MD-012-2-L1218-13-1
 MD-012-2-L1218-13-2
 MD-012-2-L1218-13-4
Brass, electroless nickel pl. MD-012-2-L1218-24-1
 MD-012-2-L1218-24-2
 MD-012-2-L1218-24-4
Brass, chrome pl. MD-012-2-L1218-22-1
 MD-012-2-L1218-22-2
 MD-012-2-L1218-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

M22 x 1.5 10mm tube OD (Light), Self-sealing Coupling

Partial Part Number: MD-012-0-L1522-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-L1522-19-1
 MD-012-0-L1522-19-2
 MD-012-0-L1522-19-4
Brass, passivated MD-012-0-L1522-21-1
 MD-012-0-L1522-21-2
 MD-012-0-L1522-21-4
Steel, 316 stainless MD-012-0-L1522-01-1
 MD-012-0-L1522-01-2
 MD-012-0-L1522-01-4
Steel, electroless nickel pl. MD-012-0-L1522-13-1
 MD-012-0-L1522-13-2
 MD-012-0-L1522-13-4
Brass, electroless nickel pl. MD-012-0-L1522-24-1
 MD-012-0-L1522-24-2
 MD-012-0-L1522-24-4
Brass, chrome pl. MD-012-0-L1522-22-1
 MD-012-0-L1522-22-2
 MD-012-0-L1522-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Maxbar logo

M22 x 1.5 10mm tube OD (Light), Self-sealing Nipple

Partial Part Number: MD-012-2-L1522-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-L1522-19-1
 MD-012-2-L1522-19-2
 MD-012-2-L1522-19-4
Brass, passivated MD-012-2-L1522-21-1
 MD-012-2-L1522-21-2
 MD-012-2-L1522-21-4
Steel, 316 stainless MD-012-2-L1522-01-1
 MD-012-2-L1522-01-2
 MD-012-2-L1522-01-4
Steel, electroless nickel pl. MD-012-2-L1522-13-1
 MD-012-2-L1522-13-2
 MD-012-2-L1522-13-4
Brass, electroless nickel pl. MD-012-2-L1522-24-1
 MD-012-2-L1522-24-2
 MD-012-2-L1522-24-4
Brass, chrome pl. MD-012-2-L1522-22-1
 MD-012-2-L1522-22-2
 MD-012-2-L1522-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.
Maxbar logo

M24 x 1.5 12mm tube OD (Heavy), Self-sealing Coupling

Partial Part Number: MD-012-0-S1624-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-0-S1624-19-1
 MD-012-0-S1624-19-2
 MD-012-0-S1624-19-4
Brass, passivated MD-012-0-S1624-21-1
 MD-012-0-S1624-21-2
 MD-012-0-S1624-21-4
Steel, 316 stainless MD-012-0-S1624-01-1
 MD-012-0-S1624-01-2
 MD-012-0-S1624-01-4
Steel, electroless nickel pl. MD-012-0-S1624-13-1
 MD-012-0-S1624-13-2
 MD-012-0-S1624-13-4
Brass, electroless nickel pl. MD-012-0-S1624-24-1
 MD-012-0-S1624-24-2
 MD-012-0-S1624-24-4
Brass, chrome pl. MD-012-0-S1624-22-1
 MD-012-0-S1624-22-2
 MD-012-0-S1624-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
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M24 x 1.5 12mm tube OD (Heavy), Self-sealing Nipple

Partial Part Number: MD-012-2-S1624-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-012-2-S1624-19-1
 MD-012-2-S1624-19-2
 MD-012-2-S1624-19-4
Brass, passivated MD-012-2-S1624-21-1
 MD-012-2-S1624-21-2
 MD-012-2-S1624-21-4
Steel, 316 stainless MD-012-2-S1624-01-1
 MD-012-2-S1624-01-2
 MD-012-2-S1624-01-4
Steel, electroless nickel pl. MD-012-2-S1624-13-1
 MD-012-2-S1624-13-2
 MD-012-2-S1624-13-4
Brass, electroless nickel pl. MD-012-2-S1624-24-1
 MD-012-2-S1624-24-2
 MD-012-2-S1624-24-4
Brass, chrome pl. MD-012-2-S1624-22-1
 MD-012-2-S1624-22-2
 MD-012-2-S1624-22-4
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV

Notes

  • There are no thru type nipples available for the MD-012 group. Use the MD-012-2 with the -OV (omit valve) option.

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