KL-012

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Coupling Information

There are three basic types of KL-012 coupling. Part numbers for each are listed below.

Valve arrangement	The Coupling (Female side)	The Nipple (Male side)
Standard (with valves)	KL-012-0-...	KL-012-2-...
No valves (thru type)	Use KL-012-0-... with -OV option	KL-012-1-...

End Fittings - Partial Part Number

(Refer to Part Number System)

BSPP & NPT
End fitting	Self-sealing Coupling	Self-sealing Nipple	Thru Nipple
BSPP(M) 1/2" NPT (M)	KL-012-0-WR021-..	KL-012-2-WR021-..	KL-012-1-WR021-..
BSPP(M) 3/4" NPT (M)	KL-012-0-WR026-..	KL-012-2-WR026-..	KL-012-1-WR026-..
BSPP(F) 1/2" NPT (F)	KL-012-0-WR521-..	KL-012-2-WR521-..	KL-012-1-WR521-..
BSPP(F) 3/4" NPT (F)	KL-012-0-WR526-..	KL-012-2-WR526-..	KL-012-1-WR526-..
Hose barbs
End fitting	Self-sealing Coupling	Self-sealing Nipple	Thru Nipple
Hose Barb 1/2" (13mm)	--	--	KL-012-1-SL013-..
Hose Barb 5/8" (16mm)	KL-012-0-SL016-..	KL-012-2-SL016-..	KL-012-1-SL016-..
Hose Barb 3/4" (19mm)	KL-012-0-SL019-..	KL-012-2-SL019-..	KL-012-1-SL019-..

Flow Capacity

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

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

Find complete part numbers below:

Material	Seal Material			Click to Enlarge
Material	NBR (nitrile)	FPM (Viton)	EPDM	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-0-WR021-40-1	KL-012-0-WR021-40-2	KL-012-0-WR021-40-4
Standard materials in bold. Other materials & seals available. Good availability in polypropylene in certain sizes.

Find available options below:

Option	Add to end of part number
No valves (omit valves)	-OV
Safety locking ring	-SI
O-ring seal for vacuum service	-Z01

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

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

Find complete part numbers below:

Material	Seal Material			Click to Enlarge
Material	NBR (nitrile)	FPM (Viton)	EPDM	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-2-WR021-40-1	KL-012-2-WR021-40-2	KL-012-2-WR021-40-4
Standard materials in bold. Other materials & seals available. Good availability in polypropylene in certain sizes.

Find available options below:

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

1/2" BSPP(M) NPT(M), Thru type Nipple

Partial Part Number: KL-012-1-WR021-..

Find complete part numbers below:

Material	Part Number	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-1-WR021-40	--
Standard materials in bold. Other materials available.

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

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

Find complete part numbers below:

Material	Seal Material			Click to Enlarge
Material	NBR (nitrile)	FPM (Viton)	EPDM	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-0-WR026-40-1	KL-012-0-WR026-40-2	KL-012-0-WR026-40-4
Standard materials in bold. Other materials & seals available. Good availability in polypropylene in certain sizes.

Find available options below:

Option	Add to end of part number
No valves (omit valves)	-OV
Safety locking ring	-SI
O-ring seal for vacuum service	-Z01

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

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

Find complete part numbers below:

Material	Seal Material			Click to Enlarge
Material	NBR (nitrile)	FPM (Viton)	EPDM	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-2-WR026-40-1	KL-012-2-WR026-40-2	KL-012-2-WR026-40-4
Standard materials in bold. Other materials & seals available. Good availability in polypropylene in certain sizes.

Find available options below:

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

3/4" BSPP(M) NPT(M), Thru type Nipple

Partial Part Number: KL-012-1-WR026-..

Find complete part numbers below:

Material	Part Number	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-1-WR026-40	--
Standard materials in bold. Other materials available.

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

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

Find complete part numbers below:

Material	Seal Material			Click to Enlarge
Material	NBR (nitrile)	FPM (Viton)	EPDM	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-0-WR521-40-1	KL-012-0-WR521-40-2	KL-012-0-WR521-40-4
Standard materials in bold. Other materials & seals available. Good availability in polypropylene in certain sizes.

Find available options below:

Option	Add to end of part number
No valves (omit valves)	-OV
Safety locking ring	-SI
O-ring seal for vacuum service	-Z01

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

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

Find complete part numbers below:

Material	Seal Material			Click to Enlarge
Material	NBR (nitrile)	FPM (Viton)	EPDM	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-2-WR521-40-1	KL-012-2-WR521-40-2	KL-012-2-WR521-40-4
Standard materials in bold. Other materials & seals available. Good availability in polypropylene in certain sizes.

Find available options below:

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

1/2" BSPP(F) NPT(F), Thru type Nipple

Partial Part Number: KL-012-1-WR521-..

Find complete part numbers below:

Material	Part Number	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-1-WR521-40	--
Standard materials in bold. Other materials available.

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

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

Find complete part numbers below:

Material	Seal Material			Click to Enlarge
Material	NBR (nitrile)	FPM (Viton)	EPDM	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-0-WR526-40-1	KL-012-0-WR526-40-2	KL-012-0-WR526-40-4	--
Standard materials in bold. Other materials & seals available. Good availability in polypropylene in certain sizes.

Find available options below:

Option	Add to end of part number
No valves (omit valves)	-OV
Safety locking ring	-SI
O-ring seal for vacuum service	-Z01

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

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

Find complete part numbers below:

Material	Seal Material			Click to Enlarge
Material	NBR (nitrile)	FPM (Viton)	EPDM	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-2-WR526-40-1	KL-012-2-WR526-40-2	KL-012-2-WR526-40-4	--
Standard materials in bold. Other materials & seals available. Good availability in polypropylene in certain sizes.

Find available options below:

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

3/4" BSPP(F) NPT(F), Thru type Nipple

Partial Part Number: KL-012-1-WR526-..

Find complete part numbers below:

Material	Part Number	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-1-WR526-40	--
Standard materials in bold. Other materials available.

1/2" Hose Barb (13mm), Thru type Nipple

Partial Part Number: KL-012-1-SL013-..

Find complete part numbers below:

Material	Part Number	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-1-SL013-40	--
Standard materials in bold. Other materials available.

5/8" Hose Barb (16mm), Self-sealing Coupling

Partial Part Number: KL-012-0-SL016-..-.

Find complete part numbers below:

Material	Seal Material			Click to Enlarge
Material	NBR (nitrile)	FPM (Viton)	EPDM	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-0-SL016-40-1	KL-012-0-SL016-40-2	KL-012-0-SL016-40-4
Standard materials in bold. Other materials & seals available. Good availability in polypropylene in certain sizes.

Find available options below:

Option	Add to end of part number
No valves (omit valves)	-OV
Safety locking ring	-SI
O-ring seal for vacuum service	-Z01

5/8" Hose Barb (16mm), Self-sealing Nipple

Partial Part Number: KL-012-2-SL016-..-.

Find complete part numbers below:

Material	Seal Material			Click to Enlarge
Material	NBR (nitrile)	FPM (Viton)	EPDM	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-2-SL016-40-1	KL-012-2-SL016-40-2	KL-012-2-SL016-40-4
Standard materials in bold. Other materials & seals available. Good availability in polypropylene in certain sizes.

Find available options below:

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

5/8" Hose Barb (16mm), Thru type Nipple

Partial Part Number: KL-012-1-SL016-..

Find complete part numbers below:

Material	Part Number	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-1-SL016-40	--
Standard materials in bold. Other materials available.

3/4" Hose Barb (19mm), Self-sealing Coupling

Partial Part Number: KL-012-0-SL019-..-.

Find complete part numbers below:

Material	Seal Material			Click to Enlarge
Material	NBR (nitrile)	FPM (Viton)	EPDM	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-0-SL019-40-1	KL-012-0-SL019-40-2	KL-012-0-SL019-40-4
Standard materials in bold. Other materials & seals available. Good availability in polypropylene in certain sizes.

Find available options below:

Option	Add to end of part number
No valves (omit valves)	-OV
Safety locking ring	-SI
O-ring seal for vacuum service	-Z01

3/4" Hose Barb (19mm), Self-sealing Nipple

Partial Part Number: KL-012-2-SL019-..-.

Find complete part numbers below:

Material	Seal Material			Click to Enlarge
Material	NBR (nitrile)	FPM (Viton)	EPDM	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-2-SL019-40-1	KL-012-2-SL019-40-2	KL-012-2-SL019-40-4
Standard materials in bold. Other materials & seals available. Good availability in polypropylene in certain sizes.

Find available options below:

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

3/4" Hose Barb (19mm), Thru type Nipple

Partial Part Number: KL-012-1-SL019-..

Find complete part numbers below:

Material	Part Number	Click to Enlarge
Polyacetal (Delrin), gray	KL-012-1-SL019-40	--
Standard materials in bold. Other materials available.

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