Manufactur standard Ss Double Orifice Air Relief Valve - Through Conduit Gate Valve – Convista

Detail

Design Standard: API 6D

Design Configurations: Fire safe design, Low emission control, Safe gate or expanding gate, Double block &bleed, Self cavity relief, Emergency sealant injection

Size Range:2″~48″

Pressure Rating：ANSI 150lb~2500lb

Body Material: Carbon Steel, Stainless Steel

Trim Material: Soft seal, Metal seal

Operation:  Gear, Motor, Gas over oil operator

Product features

1.Double block and bleed seat design；

2.Operating torque is smaller than normal gate valve；

3.Bidirectional seals, no limitation on the flow direction；

4.When valve is in full open position, seat surfaces are outside flow stream that always in full contact with gate that can protect seat surfaces, and suitable for pigging pipeline;

5.Non-rising stem design can be chosen;

6.Spring loaded packing can be chosen;

7.Low emission packing can be chosen according to ISO 15848 requirements;

8.Stem extended design can be chosen；

9.Normally open type or normally close type with through conduit design;

10.Non through conduit design is also available as per customer request