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Lift Check Valve
Lift Check Valve

Lift Check Valve

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H41H/W lift check valve detailed introduction:
Product Name H41H/W lift check valve
Product Model H41H/W
Nominal diameter DN15-300mm
Pressure Range 1.6MPa-10.0MPa
Valve body material Cast steel, stainless steel 304, 316, 316L

Product Overview:

H41H/W-16/25/40/64C/P/R lift check valve is used in pipelines of various working conditions such as petroleum, chemical industry, thermal power station, etc. with nominal pressure PN1.6～6.4MPa and working temperature -29～550℃. Applicable media: water, oil, steam, etc.

Structural features:

1. Carefully selected materials meet relevant domestic and foreign standards, and the overall quality of the materials is high.

2. The sealing pair is advanced and reasonable. The valve disc and valve seat sealing surface are made of iron-based alloy or Stellite cobalt-based hard alloy surfacing, which has good wear resistance, high temperature resistance, corrosion resistance, abrasion resistance and long service life.

3. The product is designed and manufactured according to the national standard GB/T12235.

4. Various piping flange standards and flange sealing types can be used to meet various engineering needs and user requirements.

5. The valve body material variety is complete, and the gasket can be reasonably selected according to the actual working conditions or user requirements, which can be applied to various pressure, temperature and medium conditions.

Check valves with different structural forms and connection forms can be designed and manufactured according to user requirements for use with various equipment.

Main parts materials and main uses:

Valve body Valve cover Valve disc Valve Seat Applicable media Applicable temperature (≤℃)
WCB WCB+D507Mo WCB+D577 Water, oil, steam 425
ZG1Cr18Ni9Ti 0Cr18Ni9+
Stellite12		 0Cr18Ni9+
Stellite6		 Acid 200
ZG1Cr18Ni2Mo2Ti CF8M+Stellite12 ZG1Cr18Ni2Mo2Ti Phosphoric acid, acetic acid, mixed acid 200
ZG00Cr17Ni14Mo2 CF3M+Stellite12 CF3M+Stellite6 Urea, ammonium methylate, phosphoric acid 200
ZG1Cr5Mo ZG1Cr5Mo+
Stellite12		 ZG1Cr5Mo+
Stellite6		 Water, oil, steam 550

1.6MPa main dimensions and connection dimensions (mm):

DN L D Dl D2 b From一φd H WT(Kg)
15 130 95 65 45 14 4-φ14 77 3
20 150 105 75 55 14 4-φ14 77 4
25 160 115 85 65 14 4-φ14 80 5
32 180 135 100 78 16 4-φ18 85 7
40 200 145 110 85 16 4-φ18 95 9
50 230 160 125 100 16 4-φ18 105 10
65 290 180 145 120 18 4-φ18 120 20
80 310 195 160 135 20 8-φ18 130 30
100 350 215 180 155 20 8-φ18 140 39
125 400 245 210 185 22 8-φ18 155 50
150 480 280 240 210 24 8-φ23 180 70
200 600 335 295 265 26 12-φ23 211 231
250 730 405 355 320 30 12-φ25 260 25l
300 850 460 410 375 34 12-φ25 323 395

2.5MPa main dimensions and connection dimensions (mm):

DN L D Dl D2 b From一φd H WT(Kg)
15 130 95 65 45 16 4-φ14 100 3．4
20 150 105 75 55 16 4-φ14 105 5
25 160 115 85 65 16 4-φ14 120 5．7
32 180 135 100 78 18 4-φ18 130 9．1
40 200 145 110 85 18 4-φ18 135 11．8
50 230 160 125 100 20 4-φ18 149 14．4
65 290 180 145 120 22 8-φ18 160 23
80 310 195 160 135 22 8-φ18 169 30
100 350 230 190 160 24 8-φ23 194 44
125 400 270 220 180 28 8-φ25 222 65
150 480 300 250 218 30 8-φ25 255 99
200 600 360 310 278 34 12-φ25 305 190
250 730 425 370 332 36 12-φ30 355 323
300 850 485 430 390 40 16-φ30 410 450

4.0MPa main dimensions and connection dimensions (mm):

Diameter DN L D D1 D2 D6 b From一φd H WT(Kg)
15 130 95 65 45 40 16 4-φ14 100 4
20 150 105 75 55 51 16 4-φ14 105 5．5
25 160 115 85 65 58 16 4-φ14 120 6
32 180 135 100 78 66 18 4-φ18 130 12
40 200 145 110 85 76 18 4-φ18 135 14
50 230 160 125 100 88 20 4-φ18 149 18
65 290 180 145 120 110 22 8-φ18 160 27
80 310 195 160 135 121 22 8-φ18 169 36
100 350 230 190 160 150 24 8-φ23 194 50
125 400 270 220 188 176 28 8-φ25 225 75
120 480 300 250 218 204 30 8-φ25 255 119
200 600 375 320 282 260 38 12-φ30 305 217
250 730 445 385 345 313 42 12-φ34 360 365
300 850 510 450 408 364 46 12-φ34 415 310

6.4MPa main dimensions and connection dimensions (mm):

Diameter DN L D D1 D2 D6 b From一φd H WT(Kg)
15 210 105 75 55 40 18 4-φ14 100 7
20 230 125 90 68 51 20 4-φ18 110 ll
25 230 135 100 78 58 22 4-φ18 125 13
32 260 150 110 82 66 24 4-φ23 140 14
40 260 165 125 95 76 24 4-φ23 168 20
50 300 175 135 105 88 26 4-φ23 170 23
65 340 200 160 130 110 28 8-φ23 188 37
80 380 210 170 140 121 30 8-φ23 205 46
100 430 250 200 168 150 32 8-φ25 230 68
125 500 295 240 202 176 36 8-φ30 230 89
150 550 340 280 240 204 38 8-φ34 265 131
200 650 405 345 300 260 44 12-φ34 310 235

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