Top Entry Ball Valves - Valbart

Name: Top Entry Ball Valves - Valbart
Brand: Flowserve
SKU: flowserve-637

رقم القطعة: flowserve-637

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الوصف

Valbart top entry ball valves are in-line repairable and ensure bi-directional sealing with two independent floating seats. They feature a double block and bleed, fire safe design and an anti blow-out stem. Features and benefits: - Increased efficiency enabled by independent ball and stem, which minimizes side thrust caused by pressure on the ball - Improved safety assured by anti-static design that guarantees electrical continuity between all metallic components - Simplified in-line inspection and maintenance made possible by top-entry design - Compliance with the most severe pollution-control regulations owing to low-emission valves - Used whenever it is required to perform maintenance activities without removing the valve from the line - Less potential leakage paths than bolted bonnet side-entry valves

المواصفات

Brand line	Valbart
Standards	API 6D/6A; ASME B16.34; NACE MR0175; API 6FA/API 607/API598
Size Range	2 to 56 (API 6D Valves); 1 13/16" to 16 3/4" (API 6A Valves)
Pressure Class Range	Class 150 to 2500; 2000 psi to 10000 psi
Seating Material	Soft or Metal
Standard	Cast or forged components-bolted body design; Soft seated/Metal seated; Self relieving or double piston effect seats; Double block bleed; Fire-safe; Anti-static automatic; Cavity relief
Fittings	Stem and seat greaser
Seals	O-Ring + graphite fire safe; Lip-seal + graphite fire safe; spiral wound or graphite
Cryogenic (-196 °C)	Cast or forged components-bolted body design; Soft seated/Metal seated; Self relieving or double piston effect seats; Double block bleed; Extended bonnet; Fire-safe; Anti-static automatic; Cavity relief
High Temperature	Cast or forged components-bolted body design; Metal seated; Self relieving seats; Double block bleed; Extended bonnet; Fire safe; Anti-static automatic; Cavity relief