铸钢球的阀门

Applicable Standards:Wall Thickness and General Valve Design: BS1873/ASME B16.34 /API 600Inspection and Test: API 598Pressure-temperature Rating: ASME B16.34Face to Face Dimensions : ASME B16.10Flange Ends Design: ASME B16.5Butt-welding EndsDesign: ASME B16.25Sock-welding Ends Design: ASME B16.11PRODUCTS RANGE:Size: 2" 24"(DN50 DN600)Rating: ASME150Lb 2500Lb Body Materials: Carbon Steel, Stainless Steel ,Alloy Steel,Trim: Per API 600Operation: Handwheel, Gear, Motor, PneumaticAPPLICATION:Water, Oil, Gas, Refinery, Chemical, Petrochemical, Power Plantand General Industries.DESIGN FEATURES:(1) Rising Stem - easily visible open-close indication.(2) Grease Fittings yoke sleeves equipped with fittings to minimize wear and operating torque.(3) Swing Bolts facilitate easier maintenance and packing replacement.(4) Stuffing Box- optional lantern rings and grease injectors are available.(5) Backseat - machined bonnet stem bushing provides back-up stem seal.(6) Bonnet Joint - joint design varies with ASME class rating.(7) Body Straight pattern ,full ported, heavy duty body with API 600 wall thickness for maximum service life.(8) Seat Rings - separate heavy duty, full ported rings for easy maintenance.(9) Handwheel - large handwheels for easy operation. Also available with gearing, motor actuators, or cylinder actuators for more difficult services.(10) Yoke Sleeves -furnished in ductile Ni-resist or aluminum-bronze to reduce operating torque. Most size furnished with ball bearing yoke sleeves.(11) Gland - two-piece gland/gland flange is self-aligning to eliminate stem damage from cocked gland.(12) Stem precision machined stem has a backseat design. backseat machined bonnet stem bushing provides back-up stem seal.(13) Disc Plug disc is stem guided on all size, disc has a differential angle front the seat to provide a line contact for maximum sealing; The bottom of V-port Disc is guided by the body seat ring for maximum disc stability in throttling applications; The Soft Teflon ring is excellent for lower temperature service where tight shut off required.(14) End Connections - flanged end options are raised face smooth finish or ring type joint. Besides, BW end is also available.