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Bellow Safety Valve
Bellow Safety Valve view 1
Bellow Safety Valve view 2

Bellow Safety Valve

Bellows safety valves provide overpressure protection while minimizing the effects of variable backpressure.

Bellows safety valves protect pressure vessels, pipelines and processing equipment from excessive pressure while reducing the influence of discharge backpressure on valve operation. Unlike conventional safety valves, these valves use a flexible metallic bellows to help maintain the specified set pressure when backpressure fluctuates. SVR Global, a Bellows Safety Valve Manufacturer in USA, offers spring-loaded valves designed for reliable overpressure protection in oil and gas, petrochemical, chemical processing and power generation facilities. The bellows also separates the spring and bonnet components from process fluids, making this design suitable for corrosive and demanding industrial services.

Technical Specifications

Parameter

Specification

Product Type

Balanced Bellows Safety Valve

Size Range

DN25–DN200

Pressure Rating

ASME Class 150–2500

Body Material

Carbon Steel, Low-Temperature Carbon Steel, Alloy Steel, Stainless Steel, Duplex Stainless Steel, Monel, Inconel, Hastelloy

Standards

ASME Section VIII, API 520, API 526, API 527

Material Grades

ASTM A216 WCB, A352 LCB, A217 WC6, A351 CF8M/CF3M, A995 Gr. 4A, A494 M35-1/CW-6MC/CX2MW

Bellows Material

Inconel 625

Seat Type

Metal Seated, Soft Seated

End Connections

Flanged

Operation

Direct Spring Loaded, Balanced Bellows



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