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PN Casting Steel Gate Valve Low Pressure

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PN Casting Steel Gate Valve Low Pressure

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Product Description

Pressure Test Specification

Nominal pressure (MPa) Shell test pressure (MPa) Sealing test pressure (MPa) Temperature Suitable medium
1.6 24 1.76 ≤600℃ Water
,Oil & Gas
2.5 3.75 2.75
4 6 4.4
6.3 9.45 6.93
10 15 11
16 24 17.6
25 37.5 27.5

 

Material of Main Parts

NO. Part Name Part Material
1 Body WCB,WC6,WC9,C5,CF8,CF8M,CF3,CF3M
2 Wedge WCB WC6,WC9,C5,CF8,CF8M,CF3,CF3M
3 Seat A105,304,1Cr5Mo12Cr1Mo1V,316
4 Stem 1Cr13,2Cr131Cr18Ni9Ti,OCr18Ni12Mo2Ti,20Cr1Mo1V,25Cr2MoV
5 Stud 35CrMoA OCr18Ni9,OCr17Ni12Mo2,25Cr2MoV
6 Nut 45,35CrMoA,25Cr2MoV,OCr18Ni9,0Cr17Ni12Mo2,
7 Gasket Graphite & Stainless steel
8 Back seat 1Cr13,2Cr131Cr18Ni9Ti,0Cr18Ni12Mo2Ti
20Cr1Mo1V,25Cr2MoV
9 Bonnet WCB,WC6,WC9,C5,CF8,CF8M,CF3,CF3M
10 Packing Graphite
11 Gland cover 1Cr13,2Cr13
1Cr18Ni9TLOCr18Ni12Mo2Ti
12 Gland flange WCB,CF8,CF8M,CF3,CF3M
13 Yoke nut Copper Alloy
14 Hand wheel KTH330,QT400-17

 

PN10 GATE VALVE MAIN EXTERNAL DIMENSIONS(Unit:mm)

DN L D D1 D2 b Z-d H
50 180 165 125 102 18 4-18 345
65 195 185 145 122 18 8-18 360
80 210 200 160 138 20 8-18 380
100 230 220 180 158 20 8-18 430
125 255 250 210 188 22 8-18 520
150 280 285 240 212 22 8-22 600
200 330 355 295 268 24 8-22 765
250 380 390 350 320 26 12-22 930
300 420 440 400 370 26 12-22 1080
350 450 500 460 430 26 16-22 1200
400 480 565 515 482 26 16-26 1400
450 510 615 565 532 28 20-26 1500
500 540 670 620 585 28 20-26 1630
600 600 780 725 685 34 20-30 1830
700 660 895 840 800 35 24-30 1930
800 720 1010 950 905 38 24-33 2030
900 780 1110 1050 1005 38 28-33 2130
1000 840 1220 1160 1115 44 28-33 2230

 

PN16 GATE VALVE MAIN EXTERNAL DIMENSIONS(Unit:mm)

DN L D D1 D2 b Z-d H
50 250 165 125 102 18 4-18 350
65 265 185 145 122 18 8-18 370
80 280 200 160 138 20 8-18 390
100 300 220 180 158 20 8-18 435
125 325 250 210 188 22 8-18 520
150 350 285 240 212 22 8-22 610
200 400 340 295 268 24 12-22 780
250 450 405 355 320 26 12-26 960
300 500 460 410 378 28 12-26 1080
350 550 520 470 428 30 16-26 1200
400 600 580 525 490 32 16-30 1400
450 650 640 585 550 40 20-30 1500
500 700 715 650 610 44 20-33 1630
600 800 840 770 725 54 20-36 1830
700 900 910 840 795 58 24-36 1930
800 1000 1025 950 900 62 24-39 2030
900 1100 1125 1050 1000 64 28-39 2130
1000 1200 1255 1170 1115 68 28-42 2230

 

PN25 GATE VALVE MAIN EXTERNAL DIMENSIONS(Unit:mm)

DN L D D1 D2 b Z-d H
50 250 165 125 102 20 4-18 350
65 265 185 145 122 22 8-18 370
80 280 200 160 138 24 8-18 390
100 300 235 190 162 24 8-22 435
125 325 270 220 188 26 8-26 520
150 350 300 250 218 28 8-26 610
200 400 360 310 278 30 12-26 785
250 450 425 370 335 32 12-30 930
300 500 485 430 395 34 16-30 1080
350 550 555 490 450 38 16-33 1250
400 600 620 550 505 40 16-36 1430
450 650 670 600 555 46 20-36 1520
500 700 730 660 615 48 20-36 1650
600 800 845 770 720 58 20-39 1850
700 900 960 875 820 60 24-42 1950
800 1000 1085 990 928 66 24-48 2050
900 1100 1185 1090 1028 70 28-48 2150
1000 1200 1320 1210 1140 74 28-56 2250

 

PN40 GATE VALVE MAIN EXTERNAL DIMENSIONS(Unit:mm)

DN L D D1 D2 b Z-d H
50 250 165 125 102 20 4-18 350
65 280 185 145 122 22 8-18 370
80 310 200 60 138 24 8-18 390
100 350 235 190 162 24 8-22 435
125 400 270 220 188 26 8-26 520
150 450 300 250 218 28 8-26 610
200 550 375 320 285 34 12-30 920
250 650 450 385 345 38 12-33 980
300 750 515 450 410 42 16-33 1080
350 850 580 510 465 46 16-36 1250
400 950 660 585 535 50 16-39 1460
450 1050 685 610 560 57 20-39 1520
500 1150 755 670 615 57 20-42 1650
600 1350 890 795 735 72 20-48 1850