The high quality API stainless steel gate valves, designed by JQF Valve, a professional valve supplier in China, is cast using the latest silica sol precision casting process, resulting in an exceptionally long valve service life. The valve body is made of carbon steel (or stainless steel) and alloy steel, making it easy to install and maintain.
1.Low fluid resistance: When fully open, the API stainless steel gate valve allows for direct flow of the medium, minimizing fluid resistance and thus reducing pressure loss.
2.Wear-resistant sealing surfaces: Compared to gate valves, the sealing surfaces of customized API stainless steel gate valves experience less friction and erosion.
3.Easy opening and closing: During opening and closing, the gate's movement is perpendicular to the fluid direction, requiring less driving force and thus requiring less effort to operate.
4.Simple structure and wide applicability: High quality API stainless steel gate valves are simple in structure, short in length, and easy to manufacture, adapting to different pressures, temperatures, and diameters, and suitable for various media and operating conditions.
5.No turbulence: When fully open, the API stainless steel gate valve allows unrestricted medium flow, preventing turbulence and promoting pipeline operation.
Design and Manufacturing: API 600
Flange size: ANSI B16.5
Structure length: ANSI B16.10
Pressure ~ Temperature: ANSI B16.34
Inspection and Testing: API 598
| Nominal pressure（Lb) | Strength test | Water seal test | Gas seal test | |||
| MPa | Lbf/in2 | MPa | Lbf/in2 | MPa | Lbf/in2 | |
| 150 | 3.1 | 450 | 2.2 | 315 | 0.6 | 60 |
| 300 | 7.8 | 1125 | 5.6 | 815 | 0.6 | 60 |
| 600 | 15.3 | 2225 | 11.2 | 1630 | 0.6 | 60 |
| Body, bonnet, gate | WCB | 1Cr18Ni9Ti | CF8(304) | CF3(304L) | 1Cr18Ni12Mo2Ti | CF8M(316) |
| Sealing surface | Cr13 or cemented carbide | Body (W) or cemented carbide (Y) | ||||
| Stem and inner parts | 2Cr13 | 1Cr18Ni9Ti | 0Cr19Ni9(304) | 00Cr19Ni11(304L) | 1Cr18Ni12Mo2Ti | 0Cr17Ni12Mo2(316) |
| filler | Flexible graphite | |||||
| Gasket | Stainless steel spiral wound gasket | |||||
| Suitable media | Water, steam, oil and so on | Nitric acid and other corrosive media | Strong oxidizing media | Acetic acid and other corrosive media | ||
| proper temperature | -29~425℃ | -40~500℃ | ||||
| Nominal diameter | The main dimensions and connection dimensions | |||||||
| L | D | D1 | D2 | b | Z-d | H | D0 | |
| 150LB | ||||||||
| 50 | 178 | 150 | 120.5 | 92 | 16 | 4-Φ19 | 323 | 200 |
| 65 | 190 | 180 | 139.5 | 105 | 18 | 4-Φ19 | 347 | 250 |
| 80 | 203 | 190 | 152.5 | 127 | 19 | 4-Φ19 | 383 | 250 |
| 100 | 229 | 230 | 190.5 | 157 | 24 | 8-Φ19 | 457 | 300 |
| 125 | 254 | 255 | 216 | 185.7 | 24 | 8-Φ22 | 632 | 300 |
| 150 | 267 | 280 | 241.5 | 216 | 26 | 8-Φ22 | 635 | 350 |
| 200 | 292 | 345 | 298.5 | 270 | 29 | 8-Φ22 | 762 | 350 |
| 250 | 330 | 405 | 362 | 324 | 31 | 12-Φ25 | 895 | 400 |
| 300 | 356 | 485 | 432 | 381 | 32 | 12-Φ25 | 1080 | 500 |
| 350 | 381 | 535 | 476 | 413 | 35 | 12-Φ29 | 1295 | 600 |
| 400 | 406 | 595 | 540 | 470 | 37 | 16-Φ29 | 1435 | 600 |
| 300LB | ||||||||
| 50 | 216 | 165 | 127 | 92 | 22 | 8-19 | 330 | 250 |
| 65 | 241 | 190 | 149 | 105 | 25 | 8-22 | 368 | 250 |
| 80 | 283 | 210 | 168.5 | 127 | 29 | 8-22 | 394 | 300 |
| 100 | 305 | 255 | 200 | 157 | 32 | 8-22 | 473 | 300 |
| 125 | 381 | 280 | 235 | 186 | 35 | 8-22 | 660 | 350 |
| 150 | 403 | 320 | 270 | 216 | 37 | 12-22 | 711 | 350 |
| 200 | 419 | 380 | 330 | 270 | 41 | 12-25 | 813 | 400 |
| 250 | 457 | 445 | 387.5 | 324 | 48 | 16-29 | 1003 | 500 |
| 300 | 502 | 520 | 451 | 381 | 51 | 16-32 | 1137 | 600 |
| 350 | 762 | 585 | 514.5 | 413 | 54 | 20-32 | 1489 | 600 |
| 400 | 838 | 650 | 571.5 | 470 | 57 | 20-32 | 1581 | 650 |
Address
No.1, North 1st Road, Stainless Steel New Town, Lecong Steel World West Road, Shunde District, Foshan City, Guangdong Province, China
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For inquiries about gate valves, globe valves and check valves or price list, please leave your email to us and we will be in touch within 24 hours.
