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Walther Coupling Model HP-004

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Coupling Information

There are three basic types of HP-004 coupling. Part numbers for each are listed below.

Valve arrangement The Coupling (Female side) The Nipple (Male side)
Standard (with valves) HP-004-0-... HP-004-2-...
No valves (thru type) Use HP-004-0-... with -OV option HP-004-1-...
HP-004 Couplings

End Fittings

(Refer to Part Number System)
BSPP(M) with 60° Female cone (usually to fit hose ends with BSP swivel nuts)
End fitting Self-sealing Coupling Self-sealing Nipple Thru type Nipple
BSPP(M) 1/4"w/60° F cone HP-004-0-XX001-.. HP-004-2-XX001-.. --
1/4" High Pressure (Autoclave style)
End fitting Self-sealing Coupling Self-sealing Nipple Thru type Nipple
1/4" HP(M) HP-004-0-XX002-.. HP-004-2-XX002-.. HP-004-1-XX002-..
NPT (National Pipe, Tapered)
End fitting Self-sealing Coupling Self-sealing Nipple Thru type Nipple
NPT(M) 1/4" HP-004-0-NP013-.. HP-004-2-NP013-.. --
NPT(F) 1/4" HP-004-0-NP513-.. HP-004-2-NP513-.. --

Dust Caps & Dust Plugs - Part numbers for Series HP-004

Material Plugs for Couplings (Female side) Caps for Adapters (Male side)
Non-pressure retaining1 HP-004-6-73-KU HP-004-5-73-KU
Pressure retaining NOT AVAILABLE NOT AVAILABLE

* Plugs and caps are available for both self-sealing & thru-type couplings and adapters.1. Soft PVC (black)

Flow Capacity

Flow Capacity for HP-004

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1/4" BSPP(M) w/60° F cone, Self-sealing Coupling

Partial Part Number: HP-004-0-XX001-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-004-0-XX001-12-1
 HP-004-0-XX001-12-2
 HP-004-0-XX001-12-4
 HP-004-0-XX001-12
Steel, 316 stainless HP-004-0-XX001-01-1
 HP-004-0-XX001-01-2
 HP-004-0-XX001-01-4
 --
Steel, electroless nickel pl. HP-004-0-XX001-13-1
 HP-004-0-XX001-13-2
 HP-004-0-XX001-13-4
 --
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

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
Maxbar logo

1/4" BSPP(M) w/60° F cone, Self-sealing Nipple

Partial Part Number: HP-004-2-XX001-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-004-2-XX001-12-1
 HP-004-2-XX001-12-2
 HP-004-2-XX001-12-4
 HP-004-2-XX001-12
Steel, 316 stainless HP-004-2-XX001-01-1
 HP-004-2-XX001-01-2
 HP-004-2-XX001-01-4
 --
Steel, stainless, hardened HP-004-2-XX001-W1-1
 HP-004-2-XX001-W1-2
 HP-004-2-XX001-W1-4
 --
Steel, electroless nickel pl. HP-004-2-XX001-13-1
 HP-004-2-XX001-13-2
 HP-004-2-XX001-13-4
 --
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

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
Maxbar logo

1/4" Autoclave HP(M), Self-sealing Coupling

Partial Part Number: HP-004-0-XX002-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-004-0-XX002-12-1
 HP-004-0-XX002-12-2
 HP-004-0-XX002-12-4
 HP-004-0-XX002-12
Steel, 316 stainless HP-004-0-XX002-01-1
 HP-004-0-XX002-01-2
 HP-004-0-XX002-01-4
 --
Steel, electroless nickel pl. HP-004-0-XX002-13-1
 HP-004-0-XX002-13-2
 HP-004-0-XX002-13-4
 --
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

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
Maxbar logo

1/4" Autoclave HP(M), Self-sealing Nipple

Partial Part Number: HP-004-2-XX002-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-004-2-XX002-12-1
 HP-004-2-XX002-12-2
 HP-004-2-XX002-12-4
 HP-004-2-XX002-12
Steel, 316 stainless HP-004-2-XX002-01-1
 HP-004-2-XX002-01-2
 HP-004-2-XX002-01-4
 --
Steel, stainless, hardened HP-004-2-XX002-W1-1
 HP-004-2-XX002-W1-2
 HP-004-2-XX002-W1-4
 --
Steel, electroless nickel pl. HP-004-2-XX002-13-1
 HP-004-2-XX002-13-2
 HP-004-2-XX002-13-4
 --
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

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
Maxbar logo

1/4" Autoclave HP(M), Thru type Nipple

Partial Part Number: HP-004-1-XX002-..

Find complete part numbers below:

Material Part Number Click to Enlarge
Steel, hardened, oil burnished HP-004-1-XX002-12
 HP-004-1-XX002-12
Steel, 316 stainless HP-004-1-XX002-01
 --
Steel, stainless, hardened HP-004-1-XX002-W1
 --
Steel, electroless nickel pl. HP-004-1-XX002-13
 --
Standard materials in bold. Other materials & seals available.

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
Maxbar logo

1/4" NPT(M), Self-sealing Coupling

Partial Part Number: HP-004-0-NP013-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-004-0-NP013-12-1
 HP-004-0-NP013-12-2
 HP-004-0-NP013-12-4
 --
Steel, 316 stainless HP-004-0-NP013-01-1
 HP-004-0-NP013-01-2
 HP-004-0-NP013-01-4
 --
Steel, electroless nickel pl. HP-004-0-NP013-13-1
 HP-004-0-NP013-13-2
 HP-004-0-NP013-13-4
 --
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

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
Maxbar logo

1/4" NPT(M), Self-sealing Nipple

Partial Part Number: HP-004-2-NP013-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-004-2-NP013-12-1
 HP-004-2-NP013-12-2
 HP-004-2-NP013-12-4
 --
Steel, 316 stainless HP-004-2-NP013-01-1
 HP-004-2-NP013-01-2
 HP-004-2-NP013-01-4
 --
Steel, stainless, hardened HP-004-2-NP013-W1-1
 HP-004-2-NP013-W1-2
 HP-004-2-NP013-W1-4
 --
Steel, electroless nickel pl. HP-004-2-NP013-13-1
 HP-004-2-NP013-13-2
 HP-004-2-NP013-13-4
 --
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

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
Maxbar logo

1/4" NPT(F), Self-sealing Coupling

Partial Part Number: HP-004-0-NP513-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-004-0-NP513-12-1
 HP-004-0-NP513-12-2
 HP-004-0-NP513-12-4
 --
Steel, 316 stainless HP-004-0-NP513-01-1
 HP-004-0-NP513-01-2
 HP-004-0-NP513-01-4
 --
Steel, electroless nickel pl. HP-004-0-NP513-13-1
 HP-004-0-NP513-13-2
 HP-004-0-NP513-13-4
 --
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

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
Maxbar logo

1/4" NPT(F), Self-sealing Nipple

Partial Part Number: HP-004-2-NP513-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-004-2-NP513-12-1
 HP-004-2-NP513-12-2
 HP-004-2-NP513-12-4
 --
Steel, 316 stainless HP-004-2-NP513-01-1
 HP-004-2-NP513-01-2
 HP-004-2-NP513-01-4
 --
Steel, stainless, hardened HP-004-2-NP513-W1-1
 HP-004-2-NP513-W1-2
 HP-004-2-NP513-W1-4
 --
Steel, electroless nickel pl. HP-004-2-NP513-13-1
 HP-004-2-NP513-13-2
 HP-004-2-NP513-13-4
 --
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

  • Coupling without valves (-OV) can only be connected to a nipple without valves.

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