Class150-300 cast steel gate valve

Detailed Product Description:
Class150-300 cast steel gate valve Characteristics of API Gate Valve 1. Design and manufacture of product according to ANSI B16.34 and API600 and API 6D. 2. Compact structure, small bulk, perfect rigidity, safety and reliable. 3. Blow down part (disc) utilize flexible structure, can automatically compensate distortion of body due to abnormal burden or temperature,so seal reliable and prevent wedge disc being blocked. 4. Manual valve with size over or equal to NPS 10", class 150 pounds and size over or equal to NPS6", class 600~2500 pound equipwith roller bearing to operate easily. 5. Material of main body. Material of trims, packing, washer, material of fastener can logically combine according to customers requirement or actual work status. 6. Exchangeable inside thread seat is used for NPS�?0" gate valve, random combine the material of surface of blow down part to meet the requirement of work status, prolong service life. STD Desing And manufcture Face to face/End to end Flange Dimension Butt welding dimension Pressure and Temperature lnspection and test APl 600 ASME B16.10 ASME B16.5 ASTM B16.25 ASME B16.34 APl 598 Pressure test Nominal Pressure Shell Test Water Seal Test Air Seal Test MPa Lbf/in2 MPa Lbf/in2 MDa Lbf/in2 150 3.1 450 2.2 315 0.5�?.7 60�?00 300 7.8 1125 5.6 815 600 15.3 2225 11.2 1630 900 23.1 3350 16.8 2440 1500 38.4 5575 28.1 4080 2500 64.6 9367 47.4 6873 Main part material Body ASTM A216 WCB ASTM A351 CF8 Wedge disc WCB CF8 CF8M Monel Stem F6a F304 F316 Monel F304 Wedge disc Sealing face 13Cr 13Cr STL 304 STL 316 STL Monel 304 304 STL Seat ring sealing face 13Cr STL STL 304 STL 316 STL Morel 304 STL STL Body ASTM A351 CF3 ASTM A351 CF8M ASTM A351 CF8 Wedge disc Stem F304L F316 F316 Wedge disc Sealing face 304L 304L STL 316 316 STL 316L 316L STL Seat ring sealing face 304L STL STL 316 316L STL STL Class DN (mm) NPS (in) L d H W H1 W1 Gear device RF RTJ BW 150(PN20) 50 2 178 191 216 51 400 200 - - - 65 2 1,2 191 203 241 64 435 200 - - - 80 3 203 216 283 76 515 250 - - - 100 4 229 241 305 102 595 280 - - - 125 5 254 267 381 127 725 280 - - 150 6 267 279 403 152 780 300 820 310 - 200 8 292 305 419 203 975 350 1020 310 - 250 10 330 343 457 254 1150 400 1200 310 - 300 12 356 368 502 305 1380 450 1430 310 - 350 14 381 394 572 337 1545 500 1580 460 BA-0 400 16 406 419 610 387 1733 500 1780 460 BA-1 450 18 432 445 660 438 1915 500 1990 460 BA-1 500 20 457 470 711 489 2122 600 2220 460 BA-2 600 24 508 521 813 591 2520 600 2600 460 BA-2 650 26 559 - 864 633 - - 2800 600 BA-2 700 28 610 - 914 684 - - 3050 600 BA-2 300(N50) 50 2 216 232 216 51 420 200 - - - 65 2 1,2 241 257 241 64 446 200 - - - 80 3 283 298 283 76 537 250 - - - 100 4 305 321 305 102 619 280 650 310 - 125 5 381 397 381 127 722 300 750 310 - 150 6 403 419 403 152 806 350 835 310 - 200 8 419 435 419 203 1000 400 1030 310 - 250 10 457 473 457 254 1240 450 1280 310 - 300 12 502 518 502 305 1425 500 1460 460 - 350 14 762 778 762 337 1585 600 1620 460 BA-1 400 16 838 854 838 387 1790 500 1830 460 BA-1 450 18 914 930 914 438 1960 650 2000 460 BA-2 500 20 991 1010 991 489 2158 750 2220 460 BA-2 600 24 1143 1165 1143 591 2576 900 2620 460 BA-2