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Coupling Information

There are two basic types of MD-025 coupling. Part numbers for each are listed below.

Valve arrangement The Coupling (Female side) The Nipple (Male side)
Standard (with valves) MD-025-0-... MD-025-2-...
No valves (thru type) Use MD-025-0-... with -OV option Use MD-025-2-... with -OV option
MD-025 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) 1-1/2" MD-025-0-WR048-.. MD-025-2-WR048-..
BSPP(F) 1-1/2" MD-025-0-WR548-.. MD-025-2-WR548-..
NPT (National Pipe, Tapered)
End fitting Self-sealing Coupling Self-sealing Nipple
NPT(M) 1-1/2" MD-025-0-NP048-.. MD-025-2-NP048-..
NPT(F) 1-1/2" MD-025-0-NP548-.. MD-025-2-NP548-..
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) 1-1/2" w/60° F cone  MD-025-0-VR048-.. MD-025-2-VR048-..
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
M38 x 1.5 MD-025-0-D2538-.. MD-025-2-D2538-..
EO (Ermeto) to fit tube & ferrule 
M42 x 2 30mm OD tube (Heavy) MD-025-0-S3042-.. MD-025-2-S3042-..

Flow Capacity

Flow Capacity for MD-025
Maxbar logo

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

Partial Part Number: MD-025-0-WR048-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-025-0-WR048-19-1
MD-025-0-WR048-19-2
MD-025-0-WR048-19-4
Brass, passivated MD-025-0-WR048-21-1
MD-025-0-WR048-21-2
MD-025-0-WR048-21-4
Steel, 316 stainless MD-025-0-WR048-01-1
MD-025-0-WR048-01-2
MD-025-0-WR048-01-4
Steel, electroless nickel pl. MD-025-0-WR048-13-1
MD-025-0-WR048-13-2
MD-025-0-WR048-13-4
Brass, electroless nickel pl. MD-025-0-WR048-24-1
MD-025-0-WR048-24-2
MD-025-0-WR048-24-4
Brass, chrome pl. MD-025-0-WR048-22-1
MD-025-0-WR048-22-2
MD-025-0-WR048-22-4
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
Ring grips -GG
Maxbar logo

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

Partial Part Number: MD-025-2-WR048-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-025-2-WR048-19-1
MD-025-2-WR048-19-2
MD-025-2-WR048-19-4
Brass, passivated MD-025-2-WR048-21-1
MD-025-2-WR048-21-2
MD-025-2-WR048-21-4
Steel, 316 stainless MD-025-2-WR048-01-1
MD-025-2-WR048-01-2
MD-025-2-WR048-01-4
Steel, electroless nickel pl. MD-025-2-WR048-13-1
MD-025-2-WR048-13-2
MD-025-2-WR048-13-4
Brass, electroless nickel pl. MD-025-2-WR048-24-1
MD-025-2-WR048-24-2
MD-025-2-WR048-24-4
Brass, chrome pl. MD-025-2-WR048-22-1
MD-025-2-WR048-22-2
MD-025-2-WR048-22-4
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-025 group. Use the MD-025-2 with the -OV (omit valve) option.
Maxbar logo

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

Partial Part Number: MD-025-0-WR548-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-025-0-WR548-19-1
MD-025-0-WR548-19-2
MD-025-0-WR548-19-4
Brass, passivated MD-025-0-WR548-21-1
MD-025-0-WR548-21-2
MD-025-0-WR548-21-4
Steel, 316 stainless MD-025-0-WR548-01-1
MD-025-0-WR548-01-2
MD-025-0-WR548-01-4
Steel, electroless nickel pl. MD-025-0-WR548-13-1
MD-025-0-WR548-13-2
MD-025-0-WR548-13-4
Brass, electroless nickel pl. MD-025-0-WR548-24-1
MD-025-0-WR548-24-2
MD-025-0-WR548-24-4
Brass, chrome pl. MD-025-0-WR548-22-1
MD-025-0-WR548-22-2
MD-025-0-WR548-22-4
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
Ring grips -GG
Maxbar logo

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

Partial Part Number: MD-025-2-WR548-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-025-2-WR548-19-1
MD-025-2-WR548-19-2
MD-025-2-WR548-19-4
Brass, passivated MD-025-2-WR548-21-1
MD-025-2-WR548-21-2
MD-025-2-WR548-21-4
Steel, 316 stainless MD-025-2-WR548-01-1
MD-025-2-WR548-01-2
MD-025-2-WR548-01-4
Steel, electroless nickel pl. MD-025-2-WR548-13-1
MD-025-2-WR548-13-2
MD-025-2-WR548-13-4
Brass, electroless nickel pl. MD-025-2-WR548-24-1
MD-025-2-WR548-24-2
MD-025-2-WR548-24-4
Brass, chrome pl. MD-025-2-WR548-22-1
MD-025-2-WR548-22-2
MD-025-2-WR548-22-4
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-025 group. Use the MD-025-2 with the -OV (omit valve) option.
Maxbar logo

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

Partial Part Number: MD-025-0-NP048-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-025-0-NP048-19-1
MD-025-0-NP048-19-2
MD-025-0-NP048-19-4
Brass, passivated MD-025-0-NP048-21-1
MD-025-0-NP048-21-2
MD-025-0-NP048-21-4
Steel, 316 stainless MD-025-0-NP048-01-1
MD-025-0-NP048-01-2
MD-025-0-NP048-01-4
Steel, electroless nickel pl. MD-025-0-NP048-13-1
MD-025-0-NP048-13-2
MD-025-0-NP048-13-4
Brass, electroless nickel pl. MD-025-0-NP048-24-1
MD-025-0-NP048-24-2
MD-025-0-NP048-24-4
Brass, chrome pl. MD-025-0-NP048-22-1
MD-025-0-NP048-22-2
MD-025-0-NP048-22-4
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
Ring grips -GG
Maxbar logo

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

Partial Part Number: MD-025-2-NP048-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-025-2-NP048-19-1
MD-025-2-NP048-19-2
MD-025-2-NP048-19-4
Brass, passivated MD-025-2-NP048-21-1
MD-025-2-NP048-21-2
MD-025-2-NP048-21-4
Steel, 316 stainless MD-025-2-NP048-01-1
MD-025-2-NP048-01-2
MD-025-2-NP048-01-4
Steel, electroless nickel pl. MD-025-2-NP048-13-1
MD-025-2-NP048-13-2
MD-025-2-NP048-13-4
Brass, electroless nickel pl. MD-025-2-NP048-24-1
MD-025-2-NP048-24-2
MD-025-2-NP048-24-4
Brass, chrome pl. MD-025-2-NP048-22-1
MD-025-2-NP048-22-2
MD-025-2-NP048-22-4
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-025 group. Use the MD-025-2 with the -OV (omit valve) option.
Maxbar logo

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

Partial Part Number: MD-025-0-NP548-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-025-0-NP548-19-1
MD-025-0-NP548-19-2
MD-025-0-NP548-19-4
Brass, passivated MD-025-0-NP548-21-1
MD-025-0-NP548-21-2
MD-025-0-NP548-21-4
Steel, 316 stainless MD-025-0-NP548-01-1
MD-025-0-NP548-01-2
MD-025-0-NP548-01-4
Steel, electroless nickel pl. MD-025-0-NP548-13-1
MD-025-0-NP548-13-2
MD-025-0-NP548-13-4
Brass, electroless nickel pl. MD-025-0-NP548-24-1
MD-025-0-NP548-24-2
MD-025-0-NP548-24-4
Brass, chrome pl. MD-025-0-NP548-22-1
MD-025-0-NP548-22-2
MD-025-0-NP548-22-4
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
Ring grips -GG
Maxbar logo

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

Partial Part Number: MD-025-2-NP548-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-025-2-NP548-19-1
MD-025-2-NP548-19-2
MD-025-2-NP548-19-4
Brass, passivated MD-025-2-NP548-21-1
MD-025-2-NP548-21-2
MD-025-2-NP548-21-4
Steel, 316 stainless MD-025-2-NP548-01-1
MD-025-2-NP548-01-2
MD-025-2-NP548-01-4
Steel, electroless nickel pl. MD-025-2-NP548-13-1
MD-025-2-NP548-13-2
MD-025-2-NP548-13-4
Brass, electroless nickel pl. MD-025-2-NP548-24-1
MD-025-2-NP548-24-2
MD-025-2-NP548-24-4
Brass, chrome pl. MD-025-2-NP548-22-1
MD-025-2-NP548-22-2
MD-025-2-NP548-22-4
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-025 group. Use the MD-025-2 with the -OV (omit valve) option.
Maxbar logo

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

Partial Part Number: MD-025-0-VR048-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-025-0-VR048-19-1
MD-025-0-VR048-19-2
MD-025-0-VR048-19-4
Brass, passivated MD-025-0-VR048-21-1
MD-025-0-VR048-21-2
MD-025-0-VR048-21-4
Steel, 316 stainless MD-025-0-VR048-01-1
MD-025-0-VR048-01-2
MD-025-0-VR048-01-4
Steel, electroless nickel pl. MD-025-0-VR048-13-1
MD-025-0-VR048-13-2
MD-025-0-VR048-13-4
Brass, electroless nickel pl. MD-025-0-VR048-24-1
MD-025-0-VR048-24-2
MD-025-0-VR048-24-4
Brass, chrome pl. MD-025-0-VR048-22-1
MD-025-0-VR048-22-2
MD-025-0-VR048-22-4
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
Ring grips -GG
Maxbar logo

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

Partial Part Number: MD-025-2-VR048-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-025-2-VR048-19-1
MD-025-2-VR048-19-2
MD-025-2-VR048-19-4
Brass, passivated MD-025-2-VR048-21-1
MD-025-2-VR048-21-2
MD-025-2-VR048-21-4
Steel, 316 stainless MD-025-2-VR048-01-1
MD-025-2-VR048-01-2
MD-025-2-VR048-01-4
Steel, electroless nickel pl. MD-025-2-VR048-13-1
MD-025-2-VR048-13-2
MD-025-2-VR048-13-4
Brass, electroless nickel pl. MD-025-2-VR048-24-1
MD-025-2-VR048-24-2
MD-025-2-VR048-24-4
Brass, chrome pl. MD-025-2-VR048-22-1
MD-025-2-VR048-22-2
MD-025-2-VR048-22-4
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-025 group. Use the MD-025-2 with the -OV (omit valve) option.
Maxbar logo

M38 x 1.5 w/60° F cone, Self-sealing Coupling

Partial Part Number: MD-025-0-D2538-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-025-0-D2538-19-1
MD-025-0-D2538-19-2
MD-025-0-D2538-19-4
Brass, passivated MD-025-0-D2538-21-1
MD-025-0-D2538-21-2
MD-025-0-D2538-21-4
Steel, 316 stainless MD-025-0-D2538-01-1
MD-025-0-D2538-01-2
MD-025-0-D2538-01-4
Steel, electroless nickel pl. MD-025-0-D2538-13-1
MD-025-0-D2538-13-2
MD-025-0-D2538-13-4
Brass, electroless nickel pl. MD-025-0-D2538-24-1
MD-025-0-D2538-24-2
MD-025-0-D2538-24-4
Brass, chrome pl. MD-025-0-D2538-22-1
MD-025-0-D2538-22-2
MD-025-0-D2538-22-4
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
Ring grips -GG
Maxbar logo

M38 x 1.5 w/60° F cone, Self-sealing Nipple

Partial Part Number: MD-025-2-D2538-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-025-2-D2538-19-1
MD-025-2-D2538-19-2
MD-025-2-D2538-19-4
Brass, passivated MD-025-2-D2538-21-1
MD-025-2-D2538-21-2
MD-025-2-D2538-21-4
Steel, 316 stainless MD-025-2-D2538-01-1
MD-025-2-D2538-01-2
MD-025-2-D2538-01-4
Steel, electroless nickel pl. MD-025-2-D2538-13-1
MD-025-2-D2538-13-2
MD-025-2-D2538-13-4
Brass, electroless nickel pl. MD-025-2-D2538-24-1
MD-025-2-D2538-24-2
MD-025-2-D2538-24-4
Brass, chrome pl. MD-025-2-D2538-22-1
MD-025-2-D2538-22-2
MD-025-2-D2538-22-4
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-025 group. Use the MD-025-2 with the -OV (omit valve) option.
Maxbar logo

M42 x 2 30mm tube OD (Heavy), Self-sealing Coupling

Partial Part Number: MD-025-0-S3042-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-025-0-S3042-19-1
MD-025-0-S3042-19-2
MD-025-0-S3042-19-4
Brass, passivated MD-025-0-S3042-21-1
MD-025-0-S3042-21-2
MD-025-0-S3042-21-4
Steel, 316 stainless MD-025-0-S3042-01-1
MD-025-0-S3042-01-2
MD-025-0-S3042-01-4
Steel, electroless nickel pl. MD-025-0-S3042-13-1
MD-025-0-S3042-13-2
MD-025-0-S3042-13-4
Brass, electroless nickel pl. MD-025-0-S3042-24-1
MD-025-0-S3042-24-2
MD-025-0-S3042-24-4
Brass, chrome pl. MD-025-0-S3042-22-1
MD-025-0-S3042-22-2
MD-025-0-S3042-22-4
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
Ring grips -GG
Maxbar logo

M42 x 2 30mm tube OD (Heavy), Self-sealing Nipple

Partial Part Number: MD-025-2-S3042-..-.

Find complete part numbers below:

Material Seal Material
NBR (nitrile) FPM (Viton) EPDM
Steel, zinc plated/oil burnished MD-025-2-S3042-19-1
MD-025-2-S3042-19-2
MD-025-2-S3042-19-4
Brass, passivated MD-025-2-S3042-21-1
MD-025-2-S3042-21-2
MD-025-2-S3042-21-4
Steel, 316 stainless MD-025-2-S3042-01-1
MD-025-2-S3042-01-2
MD-025-2-S3042-01-4
Steel, electroless nickel pl. MD-025-2-S3042-13-1
MD-025-2-S3042-13-2
MD-025-2-S3042-13-4
Brass, electroless nickel pl. MD-025-2-S3042-24-1
MD-025-2-S3042-24-2
MD-025-2-S3042-24-4
Brass, chrome pl. MD-025-2-S3042-22-1
MD-025-2-S3042-22-2
MD-025-2-S3042-22-4
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-025 group. Use the MD-025-2 with the -OV (omit valve) option.

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to inquire about a quote from Maxbar - Walther Precision USA
or call us today at (832) 327-0534