Triple Eccentric Butterfly Valve

Product Name: Triple Eccentric Butterfly Valve

Size: 3”~72”

Standard: ANSI B16.5, ANSI B16.34/16.47, ANSI/FCI 70-2, MSS SP-25/61/68, API 598/609/607, PED, ISO 5208/5211/5752/9001

Face to Face:  API 609, ISO 5752

Pressure Rating: ANSI 150, 300LB, 600LB

Material: Carbon Steel, Stainless Steel, Duple Stainless Steel

Connection End:  Flanged

Design Feature

– Medium can flow through the body directly for little resistance and high flow capacity.

– The body and upper cover could be made of carbon steel,austenitic stainless steel or special alloy material.

– The sulfur-free flexible v-graphite is heat resisting,we shall ensure the service life of packing is long-term without maintenance by increasing pre-pressure on spring gasket.

– The self-sealing packing structure is tested 100,000 times (full travel) to ensure zero leakage and constant friction.When the stem moves at low friction state,we can get the long-term steady precision of control valve .

– The seat adopts multi-level structure, the sealing surface is composed of metal and special non-metal materials to ensure zero leakage.

– The shaft center deviates from the valve center bidirectionally. The asymmetric design sealing surface allows the disc to revolve in 0-90° freely.


Actuator Type: Electric, Pneumatic, Handwheel, Handle

Control Type: On-off, Modulating, Inteligent

Nominal Dimension: DN50~1000mm

Pressure Rating: 1.6~6.4Mpa

Temperature Range: Body, STL  (Stellite alloys) -40~425°C

Connection Type: Flange, Wafer

Structure Design: Three Eccentric

Body Material: SS316L, SS316, SS304, SS304L, WCB, CE3MN

Disc Material: SS316L, SS316, SS304, SS304L, WCB, CE3MN

Seat Material: Body, STL (Stellite alloys)

Medium: Gas, Water, Oil and Liquid (High temperature applications)

Option Accessories: Limit Switch, Positioner, Solenoid Valve, Pressure-relief Valve


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