The series of Type CVD, DSF and D-TEF Non-Return Valves from Convey are applicable to use in liquids, gases and steams in all process technology. It overall lengths manufacture accordingly to DIN EN 558-1, Gr 52 and the tightness accordingly to DIN 3230/3, BN 2 and BO 3 standard. Operational limits according to DIN pr EN 1092-1. There are special types on Nimonic springs for temperature above 300 degree C and special springs for different opening pressures.
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Sizes available: 15-100mm

Specification: In accordance with DIN 3230/3 on tightness.