Trunnion Mounted Ball Valves - Double Block and Bleed

Name: Trunnion Mounted Ball Valves - Double Block and Bleed
Brand: Flowserve
SKU: flowserve-625

رقم القطعة: flowserve-625

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الوصف

Double Block and Bleed Valve is a side-entry ball valve, with either a bolted or welded body, designed for use in upstream, midstream and downstream oil and gas applications. It requires two in-line isolation valves and a bleed valve used to drain or vent trapped fluid between the two closure elements in order to safely isolate the downstream pipe. This feature can be achieved with one single valves complete with a bleed port between the obturators. Features and benefits: - Initial and installation cost savings owing to reduced structural requirements of design that saves both space and weight - Increased system reliability from single valve with bleed port between two valves - Improved plant and personnel safety due to anti-blowout stem, fire-safe construction and anti-static design

المواصفات

Brand line	Valbart
Standards	API 6D/6A; ASME B16.34; NACE MR0175; API 6FA/API 607/API598
Size Range	2 1/2 to 56 (API 6D Valves); 1 13/16" to 16 3/4" (API 6A Valves)
Pressure Class Range	2000 psi to 10000 psi; Class 150 to 2500
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
Cryogenic	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
Seals	O-Ring + graphite fire safe; Lip-seal + graphite fire safe; Spiral wound or graphite
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