Adjustable check valve – Model 55 B



Adjustable check valve 55 B is designed to prevent siphoning of liquid from an aboveground tank to the suction pipe installed at a lower level.

The valve is also provided with a pressure relief valve which opens at around 1,5 bar in case of pressure rising in the pipeline.

Once the valve installed and adjusted, the cap on top of the valve can be sealed.

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Housing Brass
O-ring seal Viton
Spring Stainless steel
Max.working temperature - 40 ° +90 ° C
Thread BSP ISO 228-1
Pressure relief 1,5 bar