API Gate Valve
The API Gate Valve features a robust body and bonnet construction with multiple material options, including WCB, CF8, and Hastelloy, for enhanced corrosion resistance. Its precise sealing with 13Cr and titanium alloys ensures reliable, leak-free operation across a wide temperature range, from -29°C to 425°C.
Valve Size: 1 1/2″-24″
Pressure Class: 150Lb-2500Lb
Body Material: WCB, WCC, LCB, LCC, CF8, CF3, CF8M, CF3M, WC6, WC9, C5, C6
Bonnet Material: WCB, WCC, LCB, LCC, CF8, CF3, CF8M, CF3M, WC6, WC9, C5, C6
Sealing Material: 13Cr, STL, Hastelloy, Titanium Alloy, Zirconium
Stem Material: 410, 420, F304, F316, F304L, F316L, 4140
Applicable Temperature: -29°C to 425°C
Applicable Media: Water, Oil, Steam
Product Technical Specifications
| Model | Z40W(H Y) |
| Design Standard | API 600, ASME 16.34 |
| Connection End Standard | ASME B16.5, ASME 16.25 |
| Face to Face Length | ASME B16.10 |
| Pressure Test Standard | API 598 |
Construction and Dimension
CLASS 150Lb
| SIZE | DIMENSIONS | W(Kg) ≈ | H(open) ≈ | ||||||
|---|---|---|---|---|---|---|---|---|---|
| mm | in | L(RF) | L(RTJ) | L(BW) | D0 | R F | BW | Manual | Gear |
| 40 | 1 1/2 | 165 | 178 | 165 | 180 | 15 | 14 | 342 | — |
| 50 | 2 | 178 | 191 | 216 | 200 | 17 | 15 | 397 | — |
| 65 | 2 1/2 | 191 | 203 | 241 | 200 | 27 | 24 | 438 | — |
| 80 | 3 | 203 | 216 | 283 | 250 | 31 | 28 | 504 | — |
| 100 | 4 | 229 | 241 | 305 | 250 | 47 | 42 | 590 | — |
| 125 | 5 | 254 | 267 | 381 | 300 | 58 | 54 | 682 | — |
| 150 | 6 | 267 | 279 | 403 | 300 | 71 | 69 | 756 | — |
| 200 | 8 | 292 | 305 | 419 | 350 | 122 | 113 | 975 | 1015 |
| 250 | 10 | 330 | 343 | 457 | 400 | 185 | 170 | 1170 | 1210 |
| 300 | 12 | 356 | 368 | 502 | 450 | 225 | 214 | 1375 | 1415 |
| 350 | 14 | 381 | 394 | 572 | 500 | 355 | 340 | 1566 | 1610 |
| 400 | 16 | 406 | 419 | 610 | 600 | 495 | 475 | 1770 | 1825 |
| 450 | 18 | 432 | 445 | 660 | 600 | 688 | 635 | 1924 | 1980 |
| 500 | 20 | 457 | 470 | 711 | 680 | 900 | 770 | 2144 | 2210 |
| 600 | 24 | 508 | 521 | 813 | 760 | 1135 | 965 | 2522 | 2610 |
| 650 | 26 | 559 | — | 902 | 800 | 1700 | 1425 | 2728 | 2800 |
| 700 | 28 | 610 | — | 991 | 915 | 1950 | 1820 | 2941 | 3022 |
| 750 | 30 | 610 | — | 991 | 915 | 2210 | 1980 | 3175 | 3208 |
| 800 | 32 | *660 | — | *965 | 915 | 2900 | 2600 | 3320 | 3400 |
| 900 | 36 | 711 | — | 1219 | 915 | 3500 | 3150 | 3600 | 3740 |
| 1000 | 40 | *762 | — | *1066 | — | 4880 | — | — | 4100 |
| 1050 | 42 | 813 | — | 1397 | — | 5302 | — | — | 4300 |
| 1200 | 48 | *864 | — | *1270 | — | 7520 | — | — | 5080 |
| 1350 | 54 | *1016 | — | * | — | 10050 | — | — | 6430 |
| 1500 | 60 | *1270 | — | * | — | 14800 | — | — | 6850 |
| 1600 | 64 | *1676 | — | * | — | 15025 | — | — | 7120 |
Construction and Dimension
CLASS 300Lb
| SIZE | DIMENSIONS | W(Kg) ≈ | H(open) ≈ | ||||||
|---|---|---|---|---|---|---|---|---|---|
| mm | in | L(RF) | L(RTJ) | L(BW) | D0 | R F | BW | Manual | Gear |
| 40 | 1 1/2 | 191 | 203 | 191 | 160 | 22 | 16 | 300 | — |
| 50 | 2 | 216 | 232 | 216 | 200 | 26 | 20 | 430 | — |
| 65 | 2 1/2 | 241 | 257 | 241 | 200 | 39 | 35 | 510 | — |
| 80 | 3 | 283 | 298 | 283 | 250 | 48 | 40 | 540 | — |
| 100 | 4 | 305 | 321 | 305 | 250 | 73 | 59 | 650 | — |
| 125 | 5 | 381 | 397 | 381 | 300 | 110 | 95 | 760 | — |
| 150 | 6 | 403 | 419 | 403 | 350 | 144 | 124 | 840 | — |
| 200 | 8 | 419 | 435 | 419 | 400 | 204 | 176 | 1040 | 1080 |
| 250 | 10 | 457 | 473 | 457 | 450 | 320 | 278 | 1280 | 1320 |
| 300 | 12 | 502 | 518 | 502 | 500 | 465 | 405 | 1440 | 1484 |
| 350 | 14 | 762 | 778 | 762 | 600 | 715 | 643 | 1590 | 1646 |
| 400 | 16 | 838 | 854 | 838 | 600 | 970 | 876 | 1755 | 1810 |
| 450 | 18 | 914 | 930 | 914 | 680 | 1190 | 1076 | 1997 | 2150 |
| 500 | 20 | 991 | 1010 | 991 | 760 | 1655 | 1515 | 2192 | 2320 |
| 600 | 24 | 1143 | 1165 | 1143 | 915 | 2320 | 2114 | 2587 | 2730 |
| 650 | 26 | 1245 | 1270 | 1245 | 915 | 2900 | 2640 | 2890 | 2940 |
| 700 | 28 | 1346 | 1372 | 1346 | 915 | 3510 | 3210 | 3280 | 3350 |
| 750 | 30 | 1397 | 1422 | 1397 | 950 | 4100 | 3760 | 3510 | 3530 |
| 800 | 32 | 1524 | 1552 | 1524 | — | 5250 | 4864 | — | — |
| 850 | 34 | 1626 | 1654 | 1626 | — | — | — | — | — |
| 900 | 36 | 1727 | 1756 | 1727 | — | 6940 | 6632 | — | 3820 |
| 1050 | 42 | 1981 | — | 1981 | — | — | — | — | — |
| 1200 | 48 | *2235 | — | *2235 | — | — | — | — | — |
Construction and Dimension
CLASS 600Lb
| SIZE | DIMENSIONS | W(Kg) ≈ | H(open) ≈ | ||||||
|---|---|---|---|---|---|---|---|---|---|
| mm | in | L(RF) | L(RTJ) | L(BW) | D0 | R F | BW | Manual | Gear |
| 40 | 1 1/2 | 292 | 295 | 292 | 250 | 47 | 39 | 438 | — |
| 50 | 2 | 330 | 333 | 330 | 250 | 55 | 47 | 512 | — |
| 65 | 2 1/2 | 356 | 359 | 356 | 250 | 75 | 66 | 549 | — |
| 80 | 3 | 432 | 435 | 432 | 350 | 123 | 102 | 668 | — |
| 100 | 4 | 559 | 562 | 559 | 450 | 260 | 208 | 890 | — |
| 125 | 5 | 660 | 663 | 660 | 500 | 400 | 373 | 1109 | 1159 |
| 150 | 6 | 787 | 790 | 787 | 600 | 700 | 630 | 1268 | 1318 |
| 200 | 8 | 838 | 841 | 838 | 680 | 854 | 766 | 1458 | 1508 |
| 250 | 10 | 889 | 892 | 889 | 760 | 1112 | 1059 | 1640 | 1735 |
| 300 | 12 | 991 | 994 | 991 | 800 | 1317 | 1243 | 1825 | 1895 |
| 350 | 14 | 1092 | 1095 | 1092 | 915 | 1862 | 1768 | 1992 | 2155 |
| 400 | 16 | 1194 | 1200 | 1194 | — | 2200 | 2090 | — | 2304 |
| 450 | 18 | 1397 | 1407 | 1397 | — | 4560 | 4228 | — | 2700 |
| 500 | 20 | 1448 | 1461 | 1448 | — | 5120 | 4682 | — | 3020 |
| 600 | 24 | 1549 | 1562 | 1549 | — | 7450 | 6850 | — | 3120 |
| 650 | 26 | 1651 | 1664 | 1651 | — | 8114 | 7500 | — | 3230 |
| 700 | 28 | 1778 | 1794 | 1778 | — | 9150 | 8450 | — | 3540 |
| 750 | 30 | 1930 | 1959 | 1930 | — | 9830 | — | — | 3560 |
| 800 | 32 | 2083 | 2099 | 2083 | — | 10400 | 9490 | — | 3905 |
| 900 | 36 | *2235 | — | *2235 | — | 11100 | — | — | 3910 |
| 1050 | 42 | *2438 | — | *2438 | — | — | — | — | — |
Construction and Dimension
CLASS 900Lb~1500Lb
CLASS 1500Lb
Why Is an API 600 Gate Valve Used for Pipeline Isolation?
An API gate valve is primarily selected to start or stop flow in a pipeline. When fully open, the gate moves out of the flow path. For this reason, gate valves are normally associated with isolation duty rather than frequent flow regulation.
The product range shown on this page covers water, oil and steam service, with multiple pressure classes and material options. The final configuration should follow the pipeline specification because size, class, body material, trim and end connection are selected as a complete valve.
How Do Pressure Class and End Connection Affect the Order?
Pressure class identifies the pressure-temperature rating system used for the valve and its connecting components. It also affects dimensions and weight. A Class 150 drawing should not be used to approve a Class 600 or Class 1500 valve, even when the nominal pipe size is the same.
End connections must also match the piping design. Raised-face and ring-type joint flanges have different facing requirements, while butt-weld ends require the correct weld-end preparation. Buyers should state the required connection and compare the face-to-face length with the drawing for that exact configuration.
What Should Be Checked When Replacing an Existing Gate Valve?
A replacement request should include more than the nominal size. Record the pressure class, body and trim materials, end connection, operation method and face-to-face length. A photograph of the nameplate and the existing valve can help identify missing details.
Check the available height for the valve in its open position and confirm whether manual or gear operation is required. If the project has a valve specification or inspection-document list, attach it to the quotation request.
API Gate Valve FAQs
Is an API gate valve intended for throttling?
Gate valves are generally selected for fully open or fully closed isolation service rather than routine throttling.
Why can two gate valves of the same size have different dimensions?
Pressure class, connection type and design configuration can change the face-to-face length, height and weight.
Which drawing should be used for approval?
Use the drawing for the exact nominal size, pressure class, end connection and operation method being purchased.
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