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شیر کشویی

شیر کشویی
"Size 1/4 " To 56 سایز

دنده Screwed NPT, ساکتSocket Weld, جوشیButt Weld, فلنجی Flanged RF/RTJ انواع اتصال دو سر

.Full port design انواع طراحی

Solid, Flexible, or split wedge available.i

Full range of body, bonnet, and trim materials.i

Renewable or seal welded seat rings available.i

Anti-friction bearing yoke sleeve, for greater sizes.i

Lantern ring and leak off pipe upon request. Extended stem buried valves.i

Cryogenic design.i

Special service / heavy duty valves.i

Non-standard valves designed according to customer specifications.i

Standards and specifications

ASME B16.5 Steel pipe flanges and flange fittings.i

ASME B16.10 Face-to-face and end-to-end dimensions of valves.i

ASME B16.25 Butt welding ends.i

ASME B16.34 Valves - Flanged, threaded, and welding end.i

API 6A Wellhead and Christmas tree equipment.i
API 6D Specification for pipeline valves.i

MSS-SP-6 Standard finish for contact faces of pipe flanges and connecting-end flanges of valves and fittings.i

MSS-SP-25 Standard marking system for valves, flanges, fittings, and unions.i

MSS-SP-55 Quality standard for steel castings for valves, flanges, and fittings and other piping components.i

NACE MR0175 Sulfide stress cracking resistant metallic materials for oilfield equipment.i

BS 1414 Steel wedge gate valves flanged and butt-welding ends for the petroleum, petrochemical and allied industries.i

BS 5150 Cast iron wedge and double-disc gate valves, for general purposes.i

BS 5154 Copper alloy globe, globe stop and check, check, and gate valves including parallel slide type, for general purposes.i

BS 5163 Double-flanged cast iron wedge gate valves for water works purposes.i

BS 5352 Cast and forged steel wedge gate, globe, check, and plug valves, screwed and socket welding, sizes50 mm and smaller, for the
petroleum, petrochemical, and allied industries.i