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 we