
Bellow Seal Valve – Details
Category: Industrial Valves
Type: Bellow Sealed Gate / Globe / Stop / Check Valve
Description:
Bellow Seal Valves are specially designed to prevent leakage of hazardous or toxic media. They use a metallic bellows instead of traditional gland packing, ensuring zero leakage along the valve stem. These valves are ideal for applications demanding absolute sealing, safety, and reliability.
Design & Construction:
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Body Material: Carbon Steel (A216 WCB), Stainless Steel (SS304, SS316), Alloy Steel
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Bellow Material: SS 304 / SS 316 / Inconel
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Type: Rising Stem / Non-Rising Stem
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End Connection: Flanged / Butt Weld / Socket Weld / Screwed
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Pressure Class: PN16 to PN100 / Class 150 to 600
Standards:
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Design: BS 1873 / ASME B16.34
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Flanges: ASME B16.5
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Testing: API 598
Features:
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Zero stem leakage design
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Double sealing (bellow + gland) for extra safety
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Long service life with maintenance-free operation
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Suitable for high temperature & pressure
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Ideal for hazardous, flammable, or toxic fluids
Applications:
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Chemical & Petrochemical Plants
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Refineries
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Fertilizer & Pharmaceutical Industries
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Power Plants
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Steam, Gas, and Thermal Oil Lines