Van một chiều thép rèn

Van một chiều thép rèn

Forged steel check valves

Valves are available in three bonnet designs. The first

design in the Bolted Bonnet, with male-female joint,

spiral wound gasket, made in F304/graphite. Ring joint

gasket are also available on request. The second design

is the welded bonnet, with a threaded and seal welded

joint. On request a full penetration strength welded joint

is available. The third design is the pressure seal

bonnet, with a threaded and pressure seal bonnet joint.

The check valves are also availibale in three different

design configurations. These are piston check, ball

check, or swing check designs.

Construction is as follows

v  Full port or conventional port;

v  Lift type check valves;

v  Ball type check valve;

v  Swing type check valves;

v  Acceding to requirement equip inside spring;

v  Bolted bonnet with spiral- wound gasket, threaded

and seal welded bonnet or threaded and pressure seal

bonnet;

v  Socket weld ends to ASME B16.11;

v  Screwed ends (NPT) to ANSI/ASME B1.20.1.

v  Disc can change for soft seal disc and ball disc.