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Walther Coupling Model HP-020

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Coupling Information

There are three basic types of HP-020 coupling. Part numbers for each are listed below.

Valve arrangement The Coupling (Female side) The Nipple (Male side)
Standard (with valves) HP-020-0-... HP-020-2-...
No valves (thru type) Use HP-020-0-... with - OV option HP-020-1-...
HP-020 Couplings

End Fittings

(Refer to Part Number System)
BSPP (British Standard Pipe, Parallel) with shoulder  
End fitting Self-sealing Coupling Self-sealing Nipple Thru type Nipple
BSPP(M) 1" HP-020-0-WB033-.. HP-020-2-WB033-.. HP-020-1-WB033-..
BSPP (British Standard Pipe, Parallel)
End fitting Self-sealing Coupling Self-sealing Nipple Thru type Nipple
BSPP(F) 1" HP-020-0-WR533-.. HP-020-2-WR533-.. --
NPT (National Pipe, Tapered)
End fitting Self-sealing Coupling Self-sealing Nipple Thru type Nipple
NPT(M) 1" HP-020-0-NP033-.. HP-020-2-NP033-.. HP-020-1-NP033-..
NPT(F) 1" HP-020-0-NP533-.. HP-020-2-NP533-.. --
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"w/60° F cone  HP-020-0-VR033-.. HP-020-2-VR033-.. --
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 Thru type Nipple
M26 x 1.5 HP-020-0-D1526-.. HP-020-2-D1526-.. --
M30 x 1.5 HP-020-0-D1930-.. HP-020-2-D1930-.. --
EO (Ermeto) to fit tube & ferrule 
End fitting Self-sealing Coupling Self-sealing Nipple Thru type Nipple
M30 x 2 20mm OD tube (Heavy) HP-020-0-S2030-.. HP-020-2-S2030-.. --
M36 x 2 25mm OD tube (Heavy) HP-020-0-S2536-.. HP-020-2-S2536-.. --

Dust Caps & Dust Plugs - Part numbers for Series HP-020

Material Plugs for Couplings (Female side) Caps for Adapters (Male side)
Non-pressure retaining1 HP-020-6-73-KU HP-020-5-73-KU
Pressure retaining2 HP-020-6-12 HP-020-5-12-1 (Nitrile)HP-020-5-12-2 (Viton)HP-020-5-12-4 (EPDM)

* Plugs and caps are available for both self-sealing & thru-type couplings and adapters.1. Soft PVC (black)2. Oil burnished steel, nickel-plated steel chain and retaining rings

Flow Capacity

Flow Capacity for HP-020

Maxbar logo

1" BSPP(M), Self-sealing Coupling

Partial Part Number: HP-020-0-WB033-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-0-WB033-12-1
HP-020-0-WB033-12-2
HP-020-0-WB033-12-4
HP-020-0-WB033-12
Steel, 316 stainless HP-020-0-WB033-01-1
HP-020-0-WB033-01-2
HP-020-0-WB033-01-4
--
Steel, electroless nickel pl. HP-020-0-WB033-13-1
HP-020-0-WB033-13-2
HP-020-0-WB033-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Heavy-duty ring valves -RV
Ring grips -GG

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

1" BSPP(M), Self-sealing Nipple

Partial Part Number: HP-020-2-WB033-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-2-WB033-12-1
HP-020-2-WB033-12-2
HP-020-2-WB033-12-4
HP-020-2-WB033-12
Steel, 316 stainless HP-020-2-WB033-01-1
HP-020-2-WB033-01-2
HP-020-2-WB033-01-4
--
Steel, stainless, hardened HP-020-2-WB033-W1-1
HP-020-2-WB033-W1-2
HP-020-2-WB033-W1-4
--
Steel, electroless nickel pl. HP-020-2-WB033-13-1
HP-020-2-WB033-13-2
HP-020-2-WB033-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Heavy-duty ring valves -RV

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

1" BSPP(M), Thru type Nipple

Partial Part Number: HP-020-1-WB033-..

Find complete part numbers below:

Material Part Number Click to Enlarge
Steel, hardened, oil burnished HP-020-1-WB033-12
HP-020-1-WB033-12
Steel, 316 stainless HP-020-1-WB033-01
--
Steel, stainless, hardened HP-020-1-WB033-W1
--
Steel, electroless nickel pl. HP-020-1-WB033-13
--
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" BSPP(F), Self-sealing Coupling

Partial Part Number: HP-020-0-WB533-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-0-WB533-12-1
HP-020-0-WB533-12-2
HP-020-0-WB533-12-4
HP-020-0-WR533-12
Steel, 316 stainless HP-020-0-WB533-01-1
HP-020-0-WB533-01-2
HP-020-0-WB533-01-4
--
Steel, electroless nickel pl. HP-020-0-WB533-13-1
HP-020-0-WB533-13-2
HP-020-0-WB533-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Heavy-duty ring valves -RV
Ring grips -GG

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

1" BSPP(F), Self-sealing Nipple

Partial Part Number: HP-020-2-WB533-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-2-WB533-12-1
HP-020-2-WB533-12-2
HP-020-2-WB533-12-4
HP-020-2-WR533-12
Steel, 316 stainless HP-020-2-WB533-01-1
HP-020-2-WB533-01-2
HP-020-2-WB533-01-4
--
Steel, stainless, hardened HP-020-2-WB533-W1-1
HP-020-2-WB533-W1-2
HP-020-2-WB533-W1-4
--
Steel, electroless nickel pl. HP-020-2-WB533-13-1
HP-020-2-WB533-13-2
HP-020-2-WB533-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Heavy-duty ring valves -RV

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

1" NPT(M), Self-sealing Coupling

Partial Part Number: HP-020-0-NP033-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-0-NP033-12-1
HP-020-0-NP033-12-2
HP-020-0-NP033-12-4
--
Steel, 316 stainless HP-020-0-NP033-01-1
HP-020-0-NP033-01-2
HP-020-0-NP033-01-4
--
Steel, electroless nickel pl. HP-020-0-NP033-13-1
HP-020-0-NP033-13-2
HP-020-0-NP033-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Heavy-duty ring valves -RV
Ring grips -GG

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

1" NPT(M), Self-sealing Nipple

Partial Part Number: HP-020-2-NP033-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-2-NP033-12-1
HP-020-2-NP033-12-2
HP-020-2-NP033-12-4
--
Steel, 316 stainless HP-020-2-NP033-01-1
HP-020-2-NP033-01-2
HP-020-2-NP033-01-4
--
Steel, stainless, hardened HP-020-2-NP033-W1-1
HP-020-2-NP033-W1-2
HP-020-2-NP033-W1-4
--
Steel, electroless nickel pl. HP-020-2-NP033-13-1
HP-020-2-NP033-13-2
HP-020-2-NP033-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Heavy-duty ring valves -RV

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

1" NPT(M), Thru type Nipple

Partial Part Number: HP-020-1-NP033-..

Find complete part numbers below:

Material Part Number Click to Enlarge
Steel, hardened, oil burnished HP-020-1-NP033-12
--
Steel, 316 stainless HP-020-1-NP033-01
--
Steel, stainless, hardened HP-020-1-NP033-W1
--
Steel, electroless nickel pl. HP-020-1-NP033-13
--
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" NPT(F), Self-sealing Coupling

Partial Part Number: HP-020-0-NP533-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-0-NP533-12-1
HP-020-0-NP533-12-2
HP-020-0-NP533-12-4
HP-020-0-NP533-12
Steel, 316 stainless HP-020-0-NP533-01-1
HP-020-0-NP533-01-2
HP-020-0-NP533-01-4
--
Steel, electroless nickel pl. HP-020-0-NP533-13-1
HP-020-0-NP533-13-2
HP-020-0-NP533-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Heavy-duty ring valves -RV
Ring grips -GG

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

1" NPT(F), Self-sealing Nipple

Partial Part Number: HP-020-2-NP533-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-2-NP533-12-1
HP-020-2-NP533-12-2
HP-020-2-NP533-12-4
HP-020-2-NP533-12
Steel, 316 stainless HP-020-2-NP533-01-1
HP-020-2-NP533-01-2
HP-020-2-NP533-01-4
--
Steel, stainless, hardened HP-020-2-NP533-W1-1
HP-020-2-NP533-W1-2
HP-020-2-NP533-W1-4
--
Steel, electroless nickel pl. HP-020-2-NP533-13-1
HP-020-2-NP533-13-2
HP-020-2-NP533-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Heavy-duty ring valves -RV

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

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

Partial Part Number: HP-020-0-VR033-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-0-VR033-12-1
HP-020-0-VR033-12-2
HP-020-0-VR033-12-4
--
Steel, 316 stainless HP-020-0-VR033-01-1
HP-020-0-VR033-01-2
HP-020-0-VR033-01-4
--
Steel, electroless nickel pl. HP-020-0-VR033-13-1
HP-020-0-VR033-13-2
HP-020-0-VR033-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Heavy-duty ring valves -RV
Ring grips -GG

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

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

Partial Part Number: HP-020-2-VR033-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-2-VR033-12-1
HP-020-2-VR033-12-2
HP-020-2-VR033-12-4
--
Steel, 316 stainless HP-020-2-VR033-01-1
HP-020-2-VR033-01-2
HP-020-2-VR033-01-4
--
Steel, stainless, hardened HP-020-2-VR033-W1-1
HP-020-2-VR033-W1-2
HP-020-2-VR033-W1-4
--
Steel, electroless nickel pl. HP-020-2-VR033-13-1
HP-020-2-VR033-13-2
HP-020-2-VR033-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Heavy-duty ring valves -RV

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

M26 x 1.5 w/60° F cone, Self-sealing Coupling

Partial Part Number: HP-020-0-D1526-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-0-D1526-12-1
HP-020-0-D1526-12-2
HP-020-0-D1526-12-4
--
Steel, 316 stainless HP-020-0-D1526-01-1
HP-020-0-D1526-01-2
HP-020-0-D1526-01-4
--
Steel, electroless nickel pl. HP-020-0-D1526-13-1
HP-020-0-D1526-13-2
HP-020-0-D1526-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Heavy-duty ring valves -RV
Ring grips -GG

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

M26 x 1.5 w/60° F cone, Self-sealing Nipple

Partial Part Number: HP-020-2-D1526-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-2-D1526-12-1
HP-020-2-D1526-12-2
HP-020-2-D1526-12-4
--
Steel, 316 stainless HP-020-2-D1526-01-1
HP-020-2-D1526-01-2
HP-020-2-D1526-01-4
--
Steel, electroless nickel pl. HP-020-2-D1526-13-1
HP-020-2-D1526-13-2
HP-020-2-D1526-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Heavy-duty ring valves -RV

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

M30 x 1.5 w/60° F cone, Self-sealing Coupling

Partial Part Number: HP-020-0-D1930-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-0-D1930-12-1
HP-020-0-D1930-12-2
HP-020-0-D1930-12-4
--
Steel, 316 stainless HP-020-0-D1930-01-1
HP-020-0-D1930-01-2
HP-020-0-D1930-01-4
--
Steel, electroless nickel pl. HP-020-0-D1930-13-1
HP-020-0-D1930-13-2
HP-020-0-D1930-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Heavy-duty ring valves -RV
Ring grips -GG

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

M30 x 1.5 w/60° F cone, Self-sealing Nipple

Partial Part Number: HP-020-2-D1930-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-2-D1930-12-1
HP-020-2-D1930-12-2
HP-020-2-D1930-12-4
--
Steel, 316 stainless HP-020-2-D1930-01-1
HP-020-2-D1930-01-2
HP-020-2-D1930-01-4
--
Steel, electroless nickel pl. HP-020-2-D1930-13-1
HP-020-2-D1930-13-2
HP-020-2-D1930-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Heavy-duty ring valves -RV

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

M30 x 2 20mm tube OD (Heavy), Self-sealing Coupling

Partial Part Number: HP-020-0-S2030-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-0-S2030-12-1
HP-020-0-S2030-12-2
HP-020-0-S2030-12-4
--
Steel, 316 stainless HP-020-0-S2030-01-1
HP-020-0-S2030-01-2
HP-020-0-S2030-01-4
--
Steel, stainless, hardened HP-020-0-S2030-W1-1
HP-020-0-S2030-W1-2
HP-020-0-S2030-W1-4
--
Steel, electroless nickel pl. HP-020-0-S2030-13-1
HP-020-0-S2030-13-2
HP-020-0-S2030-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Heavy-duty ring valves -RV
Ring grips -GG

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

M30 x 2 20mm tube OD (Heavy), Self-sealing Nipple

Partial Part Number: HP-020-2-S2030-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-2-S2030-12-1
HP-020-2-S2030-12-2
HP-020-2-S2030-12-4
--
Steel, 316 stainless HP-020-2-S2030-01-1
HP-020-2-S2030-01-2
HP-020-2-S2030-01-4
--
Steel, stainless, hardened HP-020-2-S2030-W1-1
HP-020-2-S2030-W1-2
HP-020-2-S2030-W1-4
--
Steel, electroless nickel pl. HP-020-2-S2030-13-1
HP-020-2-S2030-13-2
HP-020-2-S2030-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Heavy-duty ring valves -RV

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

M36 x 2 25mm tube OD (Heavy), Self-sealing Coupling

Partial Part Number: HP-020-0-S2536-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-0-S2536-12-1
HP-020-0-S2536-12-2
HP-020-0-S2536-12-4
--
Steel, 316 stainless HP-020-0-S2536-01-1
HP-020-0-S2536-01-2
HP-020-0-S2536-01-4
--
Steel, stainless, hardened HP-020-0-S2536-W1-1
HP-020-0-S2536-W1-2
HP-020-0-S2536-W1-4
--
Steel, electroless nickel pl. HP-020-0-S2536-13-1
HP-020-0-S2536-13-2
HP-020-0-S2536-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Safety locking ring -SI
Heavy-duty ring valves -RV
Ring grips -GG

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.
Maxbar logo

M36 x 2 25mm tube OD (Heavy), Self-sealing Nipple

Partial Part Number: HP-020-2-S2536-..-.

Find complete part numbers below:

Material Seal Material Click to Enlarge
NBR (nitrile) FPM (Viton) EPDM
Steel, hardened, oil burnished HP-020-2-S2536-12-1
HP-020-2-S2536-12-2
HP-020-2-S2536-12-4
--
Steel, 316 stainless HP-020-2-S2536-01-1
HP-020-2-S2536-01-2
HP-020-2-S2536-01-4
--
Steel, stainless, hardened HP-020-2-S2536-W1-1
HP-020-2-S2536-W1-2
HP-020-2-S2536-W1-4
--
Steel, electroless nickel pl. HP-020-2-S2536-13-1
HP-020-2-S2536-13-2
HP-020-2-S2536-13-4
--
Standard materials in bold. Other materials & seals available.

Find available options below:

Option Add to end of part number
No valves (omit valves) -OV
Heavy-duty ring valves -RV

Notes

  • Coupling without valves (-OV) can only be connected to a nipple without valves.
  • Ring valves are not compatible with standard valves.

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