The American standard bellows gate valve is suitable for cutting off or connecting pipeline media in various working conditions such as petroleum, chemical, pharmaceutical, fertilizer, power industry, etc., with a nominal pressure of CLASS150~900LBS and an operating temperature of -29~350ºC.
The main structural characteristics of the American standard bellows gate valve: reasonable product structure, reliable sealing, excellent performance, beautiful appearance; sealing surface surfacing with Co-based hard alloy, wear resistance, corrosion resistance, good friction resistance, long service life; valve stem Quenched and tempered and surface nitriding treatment, with good anti-corrosion and anti-friction performance; double sealing, more reliable performance; valve stem lifting position indication, more intuitive; parts materials and flanges, butt welding end size can be based on actual working conditions or Users require reasonable selection to meet various engineering needs.
Features: double-layer bellows, convenient maintenance, double sealing, position indication
Applications: power station, natural gas, ammonia, vacuum, refrigeration system, thermal oil system, hot water
The valve adopts standard:
Design and manufacturing standards: GB12234, API6D;
Structure length standard: GB1221, ANSI B16.10;
Flange standards: JB79, ANSI B16.5;
Inspection and test standards: GB12937, API 598
Audited Supplier 
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