Triple Eccentric Butterfly Valve

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.

Parameter

• 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