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.

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Main Applications

Nuclear power stations
Thermal power plants
Food industry
Pharmaceutical industry

Technical Data

Nominal pressure Hydr casing: CL 150, CL 300, CL 800
Maximum nominal size TSG: NPS 12
Max allowed fluid temp TSG: 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

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

Sectional Drawings

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