ECOLINE BSGT-S Gate valve

Gate valve ECOLINE BSGT-S

Bellows-type gate valve to ANSI/ASME with flanged or socket weld ends, bolted bonnet, outside screw and yoke, integral seat, graphite gland packing, stainless steel gaskets. Designed with extension cylinder to accommodate the bellows inside the valve. Available in material variants WCB, CF8/CF8M with trim materials 13 % Cr, 13 Cr + Stellite, SS316/SS304 with Stellite. Acting as the primary seal, the bellows prevents the fluid handled from entering the gland packing area and ensures the zero emission performance of the valve.

Main Applications

  • Nuclear power stations
  • Thermal power plants
  • Food industry
  • Pharmaceutical industry

Technical Data

Nominal pressure
CL 150, CL 300, CL 800
Max. nominal size
NPS 12
Maximum allowable fluid temperature
538 °C

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Benefits

  • Double stem sealing by bellows and back-up gland packing minimises leakage to atmosphere.
  • Stem is sealed by bellows, so gland packing area is not in contact with fluid handled.
  • Long trim life as shock loads acting on the trim are reduced by the bellows.

Technical Data

Function
Shut off/control flow
Connection type
Flange,
Threaded socket,
Butt weld ends
Design concept Drive
With electric actuator,
With handwheel,
With pneumatic actuator
Casing material
A105,
A351 GRADE CF8M,
A182 GRADE F304,
A351 GRADE CF8,
A216 GRADE WCC,
A216 GRADE WCB,
A182 GRADE F 316
Nominal pressure
CL 150,
CL 300,
CL 800
Max. nominal size
NPS 12
Min. nominal size
NPS 1/2
Maximum allowable fluid temperature
538 °C
Minimum allowable fluid temperature
0 °C
Valve body type
Straight-way vlv w.flngd ends,
Straight-way valve w.weld ends

Sectional Drawings