Product series
4HNV
Applications
Industrial

Standard couplings for industrial application with pressure relief valve. ISO 7241 B interchange.

Standard couplings for industrial applications allowing an easy relief of residual pressure thanks to a microvalve. ISO 7241 part B interchange.
Downloads
Female

Female

Filter items
Units
PartNumber Thread Details HEX1 D1 L1
20 3/4" 4HNV 34 NPT F NPTF 3/4" FEMALE
Specs
Flow Rate: 190 (l/min) at 0.2 MPa 50.193 (gal/min) at 0.2 MPa
Seals: NBR
Weight: 610 g 1.34 lb
36 1.42 52 2.05 3.5 89
Male

Male

Filter items
Units
PartNumber Thread Specs HEX1 D1 D3 L1
20 3/4" 4HNV 34 NPT M NPTF 3/4" FEMALE
Specs
Flow Rate: 190 (l/min) at 0.2 MPa 50.193 (gal/min) at 0.2 MPa
Seals: NBR
Weight: 200 g 0.44 lb
34 1.34 38 1.5 31.5 1.24 2.17 55
Technical Specifications
Dash Size Size (mmInch) Working Pressure Flow Rate (l/mingal/min) Spillage (ml) Force to connect (N) Male Burst pressure Female Burst pressure Male + Female Burst pressure
12 20 3/4" 25 MPa 3625.943 psi 190 50.193 10 120 100 MPa 14503.774 psi 100 MPa 14503.774 psi 100 MPa 14503.774 psi
Material:
Steel
Seals:
NBR
Working temperatures:
-25 °C to 125 °C -13 °F to 257 °F
Surface treatment:
CrIII
Specifications:
Series Interchange: ISO 7241-B
Valve Type: Poppet
Connection: Sleeve Retraction
Disconnection: Sleeve Retraction
Connection Under Pressure: Allowed Both Halves up to W.P.

Pressure Drop

Data shown in the diagram are indicative and not binding.
(§) 1 MPa = 10 bar
Dash size are specified.

4HNV flow diagram