China Shanghai Enine Corporation

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Pressure Seal Gate Valves

Materials

Materials of Pressure Seal Gate Valves
Structure of Pressure Seal Gate Valves
No. Parts Materials
1 Body ASTM A216 GR.WCB
2 Seat Ring ASTM A105+Stellite Faced
3 Disc ASTM A216 Gr. WCB + Stellite Faced
4 Stem ASTM A182 Gr.F6
5 Bonnet ASTM A216 Gr. WCB + Stellite Faced
6 Gasket ASTM A182 Gr.F304
7 Thrust Ring ASTM A276 Type 410
8 Separate Ring Carbon Steel
9 Lantern Ring On Request ASTM A276 Type 410
10 Bonnet Retainer Carbon Steel
11 Bonnet Bolts ASTM A193 GR.B7
12 Bonnet Bolt Nuts ASTM A194 GR.2H
13 Yoke Bolts ASTM A193 GR.B7
14 Yoke Bolt Nuts ASTM A194 GR.2H
15 Gland Eye ASTM A216 GR.WCB
16 Stem Packing Braided Graphite & Die formed Graphite Ring
17 Gland ASTM A276 Type 410
18 Gland Flange ASTM A216 GR.WCB
19 Eye Bolt Pins Carbon Steel
20 Gland Eye Bolts ASTM A193 GR.B7
21 Eye Bolt Nuts ASTM A194 GR.2H
22 Yoke ASTM A216 GR.WCB
23 Bearing Steel
24 Stem Nut ASTM A439 GR.D-2
25 Grease Nipple Carbon Steel
26 Retaining Nut Carbon Steel
27 Hand Wheel Ductile Iron
28 Hand Wheel Nut Carbon Steel

ASME Pressure Class 600 Lb-Dimensions and Weights

Size inch 2 2-1/2 3 4 5 6 8 10 12 14 16 18 20 24
L-L2 mm 292 330 356 432 508 559 660 787 838 889 991 1092 1194 1397
L-L1 mm 178 216 254 305 381 457 584 711 813 889 991 1092 1194 1397
H mm 525 610 650 775 825 1050 1200 1450 1600 1800 2050 2245 2400 2670
W mm 250 250 300 350 400 500 600 600 400~ 450~ 450~ 500~ 500~ 550~
Wt kg 35 55 62 105 160 205 400 690 815 1125 1650 2025 2325 3980

ASME Pressure Class 900 Lb-Dimensions and Weights

Gear Standard
Size inch 2 2-1/2 3 4 5 6 8 10 12 14 16 18 20
L-L2 mm 368 419 381 457 559 610 737 838 965 1029 1130 1219 1321
L-L1 mm 216 254 305 356 432 508 660 787 914 991 1092 1219 1321
H mm 550 645 670 790 855 1075 1225 1500 1635 1830 2145 2300 2485
W mm 300 300 300 400 450 300~ 350~ 400~ 400~ 450~ 500~ 500~ 550~
Wt kg 75 90 96 136 225 275 490 825 1150 1500 2100 2750 3400

ASME Pressure Class 1500 Lb-Dimensions and Weights

Size inch 2 2-1/2 3 4 5 6 8 10 12
L-L2 mm 368 419 470 546 673 705 832 991 1130
L-L1 mm 216 254 305 406 483 559 711 864 991
H mm 570 670 725 850 890 1125 1235 1520 1650
W mm 300 300 300~ 300~ 300~ 350~ 350~ 400~ 400~
Wt kg 95 110 125 205 256 330 655 1200 2010

ASME Pressure Class 2500 Lb-Dimensions and Weights

Size inch 2 2-1/2 3 4 5 6
L-L1 mm 451 508 578 673 794 914
L-SP mm 279 330 368 457 533 610
H mm 600 695 740 890 970 1135
K mm 400 450 300~ 350~ 350~ 350~
Wt kg 110 130 140 225 295 1480

Features

Outside Screw and Yoke (OS & Y), Rising Stem
Pressure Seal
Flexible Wedge
Backseat Weld-Deposited
By Pass on Request
Locking Device Optional
Gear Optional

Specifications

Design: ASME B16.34
Face to Face: ASME B16.10
End to End: ASME B16.10
End Flange: ASME B16.5
BW End: ASME B16.25
Test: API 598
Special: NACE MR-01-75

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