API cast steel gate valve
API cast steel gate valve
Nominal diameter: Class150 ~ 900
Nominal pressure: PN2.0 ~ 16.0MPa
Working temperature: -29 ~ 425 ℃ (carbon steel) and -40 ~ 500 ℃ (stainless steel)
Applicable medium: water, steam, oil , nitric acid, acetic acid, strong oxidizing medium and urea and other media
drive modes: manual, bevel gear and electric
First, ANSI US standard gate valve main purposes
Flange connection steel gate valve for ANSI Class150 ~ 900, PN2.0 ~ 16.0MPa, JIS10 ~ 20K, operating temperature -29 ~ 425 ℃ (carbon steel) and -40 ~ 500 ℃ (stainless steel) on the famous pipe, Used to cut off or turn on the media in the pipe.
Through the use of different materials, can be applied to water, steam, oil, nitric acid, acetic acid, strong oxidizing media and urea and other media. There are manual, bevel gears and electric motors.
Second, American standard cast steel gate valve structure characteristics
① product design and manufacturing in line with foreign advanced standards, sealed and reliable, excellent performance.
② compact and reasonable structure design, handsome in appearance.
③ the use of wedge-shaped elastic gate structure, large diameter set of rolling bearings, open and close easily.
④ full range of valve body material, packing, gasket according to the actual conditions or user requirements reasonable matching, applicable to a variety of pressure, temperature and media conditions.
⑤ domestic and foreign use of a variety of piping flange and flange sealing surface type to meet the needs of various projects and user requirements.
Third, American standard cast steel gate valve application specification
| Design and Manufacture | Structure length Face to face / End to end | Flange Size FlangeDimension | Butt connection dimensions Butt welding dimension | Pressure - Temperature Pressure | Test - Test Inspection and Test |
| API 600 | ANSI B16.10 | ANSI B16.5 | ANSI B16.25 | ANSI B16.34 | API 598 |
| API 6D | API 6D | ANSI B16.5 | ANSI B16.25 | ANSI B16.34 | API 6D |
Fourth, American standard cast steel gate valve pressure test
| Design and Manufacturing Design and Manufacture | Strength Test Shell Test | Water Seal Test WaterSeal Test | Air Seal Test Air SealTest | |||
| MPa | Lbf / in2 | MPa | Lbf / in2 | MPa | Lbf / in2 | |
| 150 | 3.0 | 430 | 2.2 | 315 | 0.4-0.7 | 60-100 |
| 300 | 7.7 | 1110 | 5.7 | 815 | ||
| 600 | 15.3 | 2220 | 11.3 | 630 | ||
| 900 | 23.0 | 3330 | 17 | 2445 | ||
Fifth, American standard cast steel gate valve main parts materials and the main purpose
| Body cover flap Body Cover Disc | Stem Stem | Sealing surface Sealing Face | Gasket (ring) Sealing Shim | Packing Packing | Working Temperature deg.] C Working Temperature | Suitable medium Suitable Medium |
| WCB | 2Cr13 | 13Cr STL Wooden Material With Body Material Nylon Nylon | Enhanced Flexible Graphite 13Cr / Flexible Graphite Enhanced Flexible Graphite 1Cr13 / Flexible Graphite SFB-2 08 Soft Steel 08 Soft Steal F304 F316 F304L F316L | Flexible graphite reinforced flexible graphite Flexible Graphite Enhanced Flexible Graphite SFBs / 260. the SFP / 260. the PTFE | ≤425 | Steam Oil Water the Steam Petroleum Products's |
| WC1 | 38CrMoAl 25Cr2MoV | ≤425 | ||||
| WC6 | ≤540 | |||||
| WC9 | ≤570 | |||||
| C5 C12 | ≤540 | |||||
| CF8 | F304 | ≤ 200 | Nitric acid urea Nitric acid Acetic acid | |||
| CF8M | F316 | |||||
| CF3 | F304L | |||||
| CF3M | F316L |
Six, American standard cast steel gate valve main dimensions, connection size and quality
| DN | 150Lb convex flange (RF) main dimensions Dimensions (mm) | Weight (kg) | ||||||||
| mm | in | L | D | D1 | D2 | b | n-φd | H | D0 | |
| 15 | 1/2 | 108 | 89 | 60.5 | 35 | 11.2 | 4-16 | 169 | 100 | 5 |
| 20 | 3/4 | 117 | 98 | 69.9 | 43 | 12.7 | 4-16 | 192 | 100 | 6.1 |
| 25 | 1 | 127 | 108 | 79.2 | 51 | 14.2 | 4-16 | 230 | 120 | 9 |
| 32 | 11/4 | 140 | 117 | 89 | 63 | 16 | 4-16 | 246 | 120 | 12 |
| 40 | 11/2 | 165 | 127 | 98.6 | 73 | 17.5 | 4-16 | 283 | 150 | 17 |
| 50 | 2 | 178 | 152 | 120.7 | 92 | 19.0 | 4-19 | 323 | 150 | 23 |
| 65 | 21/2 | 190.5 | 178 | 139.7 | 105 | 22.4 | 4-19 | 347 | 180 | 45 |
| 80 | 3 | 230 | 190 | 152.4 | 127 | 24 | 4-19 | 383 | 200 | 50 |
| 100 | 4 | 229 | 229 | 190.5 | 157 | 24 | 8-19 | 457 | 200 | 63 |
| 125 | 5 | 254 | 254 | 216 | 186 | 24 | 8-22.5 | 632 | 250 | 89 |
| 150 | 6 | 267 | 279 | 241.5 | 216 | 25.4 | 8-22.5 | 635 | 250 | 108 |
| 200 | 8 | 292 | 343 | 298.5 | 270 | 28.4 | 8-22.5 | 762 | 280 | 171 |
| 250 | 10 | 330 | 406 | 362 | 324 | 30.2 | 12-25.4 | 892 | 300 | 263 |
| 300 | 12 | 356 | 483 | 431.8 | 381 | 32 | 12-25.4 | 1080 | 350 | 346 |
| 350 | 14 | 381 | 533 | 476.3 | 413 | 35 | 12-29 | 1295 | 350 | 488 |
| 400 | 16 | 406 | 597 | 539.8 | 470 | 36.6 | 16-29 | 1435 | 400 | 621 |
| 450 | 18 | 432 | 635 | 577.9 | 533 | 39.6 | 16-32 | 1626 | 400 | 814 |
| 500 | 20 | 457 | 398 | 635 | 584 | 43 | 20-32 | 1829 | 450 | 992 |
| 600 | 24 | 508 | 813 | 749.3 | 692 | 48.8 | 20-35 | 2175 | 500 | 1492 |
| 650 | 26 | 559 | 786 | 744.5 | 711 | 51.3 | 36-22.5 | 2235 | 550 | 1801 |
| 700 | 28 | 610 | 837 | 795.3 | 762 | 44.5 | 40-22.5 | 2310 | 600 | 1933 |
| 750 | 30 | 610 | 887 | 846 | 813 | 44.5 | 44-22.5 | 2695 | 600 | 2272 |
| 800 | 32 | 660 | 941 | 900 | 864 | 46 | 48-22.5 | 3708 | - | - |
| 900 | 36 | 711 | 1057 | 1009.7 | 927 | 52.3 | 40-25.4 | 3924 | - | - |
| 1000 | 40 | 812 | 1175 | 1120.6 | 1080 | 55.6 | 44-25.4 | 4318 | - | - |
300Lb Main dimensions and weight
| DN | 300Lb convex flange (RF) main dimensions Dimensions (mm) | Weight (kg) | ||||||||
| mm | in | L | D | D1 | D2 | b | n-φd | H | D0 | |
| 15 | 1/2 | 140 | 95 | 66.5 | 35 | 14.2 | 4-16 | 169 | 120 | 5.2 |
| 20 | 3/4 | 152 | 117 | 82.5 | 43 | 16 | 4-19 | 193 | 150 | 6.3 |
| 25 | 1 | 165 | 123 | 89 | 51 | 17.5 | 4-19 | 230 | 150 | 8.6 |
| 32 | 11/4 | 178 | 133 | 98.5 | 63 | 19 | 4-19 | 246 | 160 | 14.3 |
| 40 | 11/2 | 190 | 155 | 114.3 | 76 | 20.6 | 4-22.5 | 283 | 180 | 15.6 |
| 50 | 2 | 216 | 165 | 127 | 92 | 22.4 | 8-19 | 330 | 200 | 30 |
| 65 | 21/2 | 241 | 190 | 149.4 | 105 | 25.4 | 8-22.5 | 368 | 240 | 44 |
| 80 | 3 | 283 | 210 | 168.1 | 127 | 28.4 | 8-22.5 | 394 | 280 | 61 |
| 100 | 4 | 305 | 254 | 200.2 | 157 | 31.8 | 8-22.5 | 473 | 300 | 77 |
| 125 | 5 | 381 | 279 | 235 | 186 | 35 | 8-22.5 | 660 | 350 | 125 |
| 150 | 6 | 403 | 318 | 269.7 | 216 | 36.6 | 12-25.5 | 711 | 400 | 153 |
| 200 | 8 | 419 | 381 | 330.2 | 270 | 41.2 | 12-25.4 | 813 | 400 | 286 |
| 250 | 10 | 457 | 444 | 387.5 | 324 | 47.8 | 16-28.4 | 1003 | 450 | 412 |
| 300 | 12 | 502 | 521 | 450.8 | 381 | 50.8 | 16-32 | 1137 | 500 | 576 |
| 350 | 14 | 762 | 584 | 514.4 | 413 | 54 | 20-32 | 1489 | 600 | 886 |
| 400 | 16 | 838 | 648 | 571.5 | 470 | 57.2 | 20-35 | 1580 | 650 | 1175 |
| 450 | 18 | 914 | 711 | 628.7 | 533 | 60.4 | 24-35 | 1017 | 700 | 1301 |
| 500 | 20 | 991 | 775 | 685.8 | 584 | 63.5 | 24-35 | 2228 | 700 | 1672 |
| 600 | 24 | 1143 | 914 | 812.8 | 692 | 70 | 24-41 | 2650 | 750 | 2556 |
| 650 | 26 | 1245 | 867 | 803.1 | 736.6 | 90.0 | 32-35 | 3219 | - | - |
| 700 | 28 | 1346 | 921 | 857.3 | 787.4 | 90.0 | 36-35 | 3378 | - | - |
| 750 | 30 | 1397 | 991 | 902.8 | 844.6 | 93.7 | 36-38 | 3530 | - | - |
600Lb Main dimensions and weight
| DN | 600Lb convex flange (RF) main dimensions Dimensions (mm) | Weight (kg) | ||||||||
| mm | in | L | D | D1 | D2 | b | n-φd | H | D0 | |
| 15 | 1/2 | 165 | 95 | 66.5 | 35 | 14.5 | 4-16 | 169 | 160 | 5.9 |
| 20 | 3/4 | 190 | 117 | 82.5 | 43 | 16 | 4-19 | 193 | 180 | 7.5 |
| 25 | 1 | 216 | 124 | 89 | 51 | 17.5 | 4-19 | 230 | 200 | 10.2 |
| 32 | 11/4 | 229 | 133 | 98.5 | 63 | 21 | 4-19 | 246 | 200 | 16.7 |
| 40 | 11/2 | 241 | 156 | 114.3 | 73 | 22.5 | 4-22 | 283 | 240 | 17.4 |
| 50 | 2 | 292 | 165 | 127 | 92 | 33 | 8-19 | 425 | 280 | 44 |
| 65 | 21/2 | 330 | 190 | 149.4 | 105 | 36 | 8-22 | 485 | 320 | 55 |
| 80 | 3 | 356 | 210 | 168.1 | 127 | 39 | 8-22 | 510 | 350 | 80 |
| 100 | 4 | 432 | 273 | 216 | 157 | 45 | 8-25 | 610 | 400 | 145 |
| 125 | 5 | 508 | 330 | 266 | 186 | 52 | 8-29 | 700 | 450 | 187 |
| 150 | 6 | 559 | 356 | 292.1 | 216 | 55 | 12-29 | 820 | 500 | 241 |
| 200 | 8 | 660 | 419 | 349.3 | 270 | 63 | 12-32 | 920 | 600 | 309 |
| 250 | 10 | 787 | 508 | 432 | 324 | 71 | 16-35 | 1080 | 650 | 522 |
| 300 | 12 | 838 | 559 | 489 | 381 | 74 | 20-35 | 1220 | 650 | 779 |
| 350 | 14 | 889 | 603 | 527 | 413 | 77 | 20-38 | 1473 | 700 | 1108 |
| 400 | 16 | 991 | 686 | 603 | 470 | 84 | 20-41 | 1651 | 800 | 1503 |
| 450 | 18 | 1092 | 743 | 654 | 533 | 90 | 20-45 | 1727 | 800 | 1939 |
| 500 | 20 | 1194 | 813 | 724 | 584 | 96 | 24-45 | 2019 | 800 | 2733 |
| 600 | 24 | 1397 | 940 | 838 | 692 | 109 | 24-51 | 2155 | - | 4177 |
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