Operating principle

The valve opens when the pressure of the fluid exceeds the pressure exerted by the pump spring.When the two pressures are equalised,the valve closes.A stronger counter-pressure allows the valve to close.

Materials

• Casing/shaft: AISI 316L
• Spring:  AISI 301
• Seal EPDM according to FDA 177.2600
• Surface finishing   Ra≤0.8μm

Technical specifications

• Max. pressure: 10 bar
• Opening pressure: 0.3bar(DN-25) ; 0.2 bar(DN-32/40) ; 0.1     bar(DN-50/100)
• Working temperature:-10℃ to +120℃(EPDM)