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Sanitary Weld Check valve

A check valve opens when the pressure below the valve plug exceeds the pressure above the valve plug and the spring force. The valve close when pressure equalization has been achieved.

Sanitary check valves also named as “non-return valve”, is designed for use in process piping installations to prevent reverse flow. Are a spring check valve with different connection ends.

Product Description

SizeDN15-DN100, 1/2″-4″
Body&Disc MaterialAISI 304 or 316L, (EN1.4301/EN1.4404).
Temperature14 ~ 248°F (-10 ~ 140°C) , Silicone EPDM
Max. pressure145 psi (10 bar)
Opening pressure1.5-4.5 psi (0.1-0.3 bar)
SealEPDM, Silicone, FKM, VITON, NBR
Pipe Joint SystemsDIN SMS 3A ISO
Surface treatmentRa 32µin (0.8µm-1.6µm) as default.
Connection typeClamp End, Thread End, Weld End

The valve body is in two parts, assembled by means of a standard weld tube and sealed with a standard gasket. The self draining design of the lower valve body enables flushing of the product. Ribbed construction of the stainless steel disc resists heavy pressure hammer, minimize the resistance to flow and also serves as a guide to the valve plug

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