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Manual gate valve

Manual gate valve

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Gate Valve
Describe
Stainless steel American standard gate valve features:
1. The design and manufacture of the product conforms to the American National Standard ANSI B16.34, American Petroleum Institute standard API6D and API600 requirements.
2. Compact structure, small size, good rigidity and safe and reliable sealing.
3. The closing piece (throttle plate) adopts an elastic structure, which can automatically compensate the deformation of the valve body due to abnormal load or temperature during work. Therefore, the seal is reliable and does not create a gate wedge.
4. Manual valves with a diameter greater than or equal to NPS10", pressure class 150 lbs and diameters greater than or equal to NPS6" and pressure class 600~2500 lbs. The operating device is equipped with rolling bearings for easy opening and closing.
5. The materials of the main material, internal materials, fillers, gaskets and fasteners can be reasonably combined according to user requirements or actual working conditions.
6, NPS ≤ 10" gate valve, the valve seat can be a replacement type of internal threaded valve seat, can be arbitrarily combined with the sealing material sealing material to meet the working conditions and extend the service life.
 
Design and manufacturing Structure length Flange size Butt weld connection size Pressure - temperature Test - test
APl 600 ASME B16.10 ASME B16.5 ASTM B16.25 ASME B16.34 APl 598

 

Pressure test

Nominal pressure PN(Lb) Nominal pressure... Water seal test Gas seal test
MPa Lbf/in2 MPa Lbf/in2 MDa Lbf/in2
150 3.1 450 2.2 315 0.5~0.7 60~100
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

case ASTM A216 WCB ASTM A351 CF8
gate WCB CF8 CF8M Monel
Valve stem F6a F304 F316 Monel F304
Gate sealing surface 13Cr 13Cr STL 304 STL 316 STL Monel 304 304 STL
Seat sealing surface 13Cr  STL STL 304 STL 316 STL Morel 304 STL STL

 

case ASTM A351 CF3 ASTM A351 CF8M ASTM A351 CF8
gate
Valve stem F304L F316 F316
Gate sealing surface 304L 304L STL 316 316 STL 316L 316L STL
Seat sealing surface 304L STL STL 316 STL STL 316L STL STL

 

Pressure level DN
(mm)
NPS
(_n)
L d H W H1 W1 H2 W2 Electric device
RF RTJ BW
600
(PN110)
50 2 292 295 292 51 444 200 - - 550 590 DZW20A
65 21/2 330 333 330 64 500 250 - - 600 590 DZW20A
80 3 356 359 356 76 558 280 585 310 660 590 DZW30A
100 4 432 435 432 102 665 300 695 310 780 590 DZW45A
125 5 508 511 508 127 760 350 790 310 850 810 DZW60A
150 6 559 562 559 152 868 450 900 310 990 830 DZW90
200 8 660 664 660 203 1073 500 1110 310 1130 830 DZW120
250 10 787 791 787 254 1263 650 1300 460 1360 870 DZW180
300 12 838 841 838 305 1600 700 1650 460 1520 870 DZW250
350 14 889 892 889 337 1692 900 1750 460 1730 1170 DZW350
400 16 991 994 991 406.5 1835 900 1900 460 1840 1170 DZW500
900
(PN150)
50 2 368 371 368 51 458 280 - - 832 590 DZW20A
65 21/2 419 422 419 62 550 280 - - 880 590 DZW30A
80 3 381 384 381 74 610 300 660 310 910 590 DZW30A
100 4 457 460 457 100 702 350 750 310 1020 590 DZW45A
125 5 559 562 559 125 850 400 900 310 - - DZW60A
150 6 610 613 610 150 980 500 1060 460 1060 830 DZW90
200 8 737 740 737 201 1100 650 1140 460 1150 830 DZWl20
250 10 838 841 838 252 1320 700 1370 460 1320 870 DZWl80
300 12 965 968 965 303 1500 900 1560 460 1580 870 DZW250
350 14 1029 1038 1029 322 1900 900 1950 600 1660 1170 DZW350
400 16 1130 1140 1130 373 2050 900 2100 600 1780 1170 DZW500
1500
(PN260)
50 2 368 371 368 49 510 280 - - - - DZW30A
65 21/2 419 422 419 62 560 300 - - - - DZW30A
80 3 470 473 470 74 620 350 670 310 960 590 DZW45A
100 4 546 549 546 100 728 400 770 310 1040 810 DZW60A
125 5 673 676 673 125 870 450 920 310 - - DZW90
150 6 705 711 705 144 1000 500 1070 460 1250 830 DZWl20
200 8 832 841 832 192 1130 750 1180 460 1600 870 DZWl80
250 10 991 1000 991 239 1360 900 1410 600 2150 870 DZW250
300 12 1130 1146 1130 287 - - 1620 600 2380 1170 DZW350
350 14 1257 1276 1257 315 - - 2020 600 2580 1170 DZW500