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Home / All / ISO 7241-A Quick Couplers / EH 275 Series - 4NV ISO 7241-A Quick Couplings for Agriculture with Pressure Relief Valve (Steel)

EH 275 Series - 4NV ISO 7241-A Quick Couplings for Agriculture with Pressure Relief Valve (Steel)

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Categories	ISO 7241-A Quick Couplers
Trademark/Brand	EH
Interchange	PARKER MACH 2 SERIES
Interchange	DNP PKK1 SERIES
Interchange	FASTER 4NV SERIES
Interchange	STUCCHI IRS PC
Update Time	Dec 16,2025

Detail Information

275 Series

Hydraulic Quick Coupling (Steel)

ISO-7241-A, Poppet Valve, With Pressure Eliminator

This EH series is interchangeable with PARKER MACH 2 SERIES, DNP PKK1 SERIES, FASTER 4NV SERIES, and STUCCHI IRS PC. The 275 series is a poppet-type quick coupler compatible with ISO 7241-1 ''A'' standards. Constructed from carbon steel with zinc plating, it ensures global interchangeability and is available in sizes from ¼''to 2''. Due to its versatility, the 275 series is widely used in hydraulic systems, particularly in agricultural and industrial applications. Connection under pressure, both male and female sides are allowed. Max Residual pressure up to 250 bar.

Female

Other Threads/Fitting Ends Are Available Upon Request
Art. No.	Body Size (inch)	Ls(mm)	D(mm)	Hs(mm)	T
HFSFC27538-3/8"G	3/8''	57	31	S22	3/8"BSPP
HFSFC27538-3/8"NPT	3/8''	57	31	S22	3/8"NPT
HFSFC27512-1/2"G	1/2''	66	38	S27	1/2"BSPP
HFSFC27512-1/2"NPT	1/2''	66	38	S27	1/2"NPT
HFSFC27512-3/4"UNF	1/2''	66.5	38	S27	3/4"-16UNF
HFSFC27534-3/4"G	3/4''	82	48	S34	3/4"BSPP
HFSFC27534-3/4"NPT	3/4''	82	48	S34	3/4"NPT

Male

Other Threads/Fitting Ends Are Available Upon Request
Art. No.	Body Size (inch)	Lp(mm)	Hp(mm)	T
HFSFP27538-3/8"G	3/8''	44	S22	3/8"BSPP
HFSFP27538-3/8"NPT	3/8''	55	S22	3/8"NPT
HFSFP27512-1/2"G	1/2''	44	S27	1/2"BSPP
HFSFP27512-1/2"NPT	1/2''	55	S27	1/2"NPT
HFSFP27512-3/4"UNF	1/2''	55	S27	3/4"-16UNF
HFSFP27534-3/4"G	3/4''	55	S34	3/4"BSPP
HFSFP27534-3/4"NPT	3/4''	55	S34	3/4"NPT

Accessories

Dash Size	ISO Size	Art. No. Dust Plug for Coupler	Art. No. Dust Cap for Plug	Material
04	6.3	ISO-A-1/4-P-P	ISO-A-1/4-C-P	PVC
06	10	ISO-A-3/8-P-P	ISO-A-3/8-C-P	PVC
08	12.5	ISO-A-1/2-P-P	ISO-A-1/2-C-P	PVC
12	20	ISO-A-3/4-P-P	ISO-A-3/4-C-P	PVC
16	25	ISO-A-1-P-P	ISO-A-1-C-P	PVC

Technical Specifications

Dash Size	Body Size (Inch)	Max. Work PressureMale (bar)	Max. Work PressureFemale (bar)	Max. Work PressureCoupled (bar)	Min. Burst Pressure Male (bar)	Min. Burst Pressure Female (bar)	Min. Burst Pressure Coupled (bar)	Spillage (ml)
06	3/8''	250	250	250	1000	1000	1000	1.1
08	1/2''	250	250	250	1000	1000	1000	1.8
12	3/4''	250	250	250	1000	1000	1000	8

Material:	Steel
Seals:	NBR, Seals can be customized to meet your special work condition/media
Working Temperatures:	-25 °C to 125 °C, Customizable
Surface Treatment:	MATE 500 (CRIII)
Specifications:	Series Interchange:	PARKER MACH2 SERIES, DNP PKK1 SERIES, FASTER 4NV SERIES, STUCCHI IRS PC SERIES
	Valve Type:	Poppet
	Connection:	Sleeve Retraction
	Disconnection:	Sleeve Retraction
	Connection Under Pressure:	Allowed Up To 250 BAR