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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-...
KL-012 Couplings

Flow Capacity

Flow Capacity for KL-012
Maxbar logo

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
NBR (nitrile) FPM (Viton) EPDM
Polyacetal (Delrin), gray KL-012-0-WR021-40-1
KL-012-0-WR021-40-2
KL-012-0-WR021-40-4
KL-012-0-WR021-40
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
Maxbar logo

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
NBR (nitrile) FPM (Viton) EPDM
Polyacetal (Delrin), gray KL-012-2-WR021-40-1
KL-012-2-WR021-40-2
KL-012-2-WR021-40-4
KL-012-2-WR021-40
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
Maxbar logo

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.
Maxbar logo

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
NBR (nitrile) FPM (Viton) EPDM
Polyacetal (Delrin), gray KL-012-0-WR026-40-1
KL-012-0-WR026-40-2
KL-012-0-WR026-40-4
KL-012-0-WR026-40
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
Maxbar logo

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
NBR (nitrile) FPM (Viton) EPDM
Polyacetal (Delrin), gray KL-012-2-WR026-40-1
KL-012-2-WR026-40-2
KL-012-2-WR026-40-4
KL-012-2-WR026-40
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
Maxbar logo

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.
Maxbar logo

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
NBR (nitrile) FPM (Viton) EPDM
Polyacetal (Delrin), gray KL-012-0-WR521-40-1
KL-012-0-WR521-40-2
KL-012-0-WR521-40-4
KL-012-0-WR521-40
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
Maxbar logo

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
NBR (nitrile) FPM (Viton) EPDM
Polyacetal (Delrin), gray KL-012-2-WR521-40-1
KL-012-2-WR521-40-2
KL-012-2-WR521-40-4
KL-012-2-WR521-40
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
Maxbar logo

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.
Maxbar logo

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
NBR (nitrile) FPM (Viton) EPDM
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
Maxbar logo

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
NBR (nitrile) FPM (Viton) EPDM
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
Maxbar logo

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.
Maxbar logo

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.
Maxbar logo

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
NBR (nitrile) FPM (Viton) EPDM
Polyacetal (Delrin), gray KL-012-0-SL016-40-1
KL-012-0-SL016-40-2
KL-012-0-SL016-40-4
KL-012-0-SL016-40
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
Maxbar logo

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
NBR (nitrile) FPM (Viton) EPDM
Polyacetal (Delrin), gray KL-012-2-SL016-40-1
KL-012-2-SL016-40-2
KL-012-2-SL016-40-4
KL-012-2-SL016-40
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
Maxbar logo

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.
Maxbar logo

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
NBR (nitrile) FPM (Viton) EPDM
Polyacetal (Delrin), gray KL-012-0-SL019-40-1
KL-012-0-SL019-40-2
KL-012-0-SL019-40-4
KL-012-0-SL019-40
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
Maxbar logo

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
NBR (nitrile) FPM (Viton) EPDM
Polyacetal (Delrin), gray KL-012-2-SL019-40-1
KL-012-2-SL019-40-2
KL-012-2-SL019-40-4
KL-012-2-SL019-40
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
Maxbar logo

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.

Contact one of our sales representatives today
to inquire about a quote from Maxbar - Walther Precision USA
or call us today at (832) 327-0534