Bellows Seal Single-Seated Control Valves

Applications:

·Applicable to poisonous or high-volatility mediums and vacuum environment.

·Effictively preventing pollution and explosion accidents.

Structure Features:

·Top guided structure, single-seatded seal, stem rotating-proof design prevents bellows form  damage.

 Back seal is composed of bellows and packing.

Size:

·DN 25~200  NPS 1"~8"

Ratings:

·PN 16, 40, 100  ANSI 150, 300, 600

End Vonnections:

·Flanged: FF, RF, RJ, FM

·Standards: ASME B16.5

                  JIS B 2201, GB/T 9113

·Welded: SW(≦50)  BW(≧65)

·Standards: ASME B 16.11

                      ASME B 16.25

Body Materials:

·Alloy Steel, Stainless Steel, Steel

Plug and Seat Materials:

·Plug: 304, 316L,304L, 316L,  304+STL, 316+STL

·Seat: 304, 316L,304L, 316L,  304+STL, 316+STL, PTFE

Flow Characteristics and Maximum Flow Coefficients:

·Flow-Open: equal percentage or liner

·Cv valve: 11 to 850

Shutoff Class (ASME B16.104)

·Metal seat: Class Ⅵ

·Soft Seat: Class Ⅳ

Available Actuator Types:

·HA or VA 6 pneumatic actuators and 3610L ekectribic actuators