Investment Casting & Industrial Valves 
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JIS Flanged Gate Valve (Precision Cast Steel Valve 10K/20K)
- Nominal Diameter: DN40-DN500
- Materials: 316, CF8M, 1.4408, WCB, 304, CF8, etc.
- Pressure Rating: 10K/20K
- Design & Manufacture: BS 5351
- Flange End: JIS B1212 82214
- Inspection & Testing: JIS B 2003
- Surface Treatment: Pickling, Passivation, Polishing (or as per customer request)
- Operating Temperature: ≤ 150°C
Applications
JIS flanged gate valves are used in water, steam, and oil pipelines with operating temperatures up to 150°C, mainly for fully opening or shutting off the flow in systems that require 10K or 20K flanged connections.
Applicable Standards
| Design | Face to Face | Flange End | Inspection &Testing | Pressure-Temperature |
| JIS B2073 B2083 | JIS B2002 | JIS B2212 B2214 | JIS B2003 | JIS B2073 B2083 |
Valve Parts
| Component | Material | |||
| Body/Bonnet | A216-WCB | A217-WC6 | A352-LCB | A351-CF8M |
| Wedge | A216-WCB | A217-WC6 | A352-LCB | A351-CF8M |
| Stem | A182-F6a | A182-F11 | A182-F6a | A182-F316 |
| Packing | Flexible Graphite | PTFE | ||
| Gasket | 18-8 Flexible Graphite | |||
| Bolt | A193-B7 | A193-B7 | A193-B7M | A193-B8 |
| Operating Temperature | -29～425℃ | -29～550℃ | -46～350°℃ | -40～200℃ |
| Suitable Media | Water, Oil, Steam | Steam, Oil | Propane, Ethylene | Nitric Acid |
Dimensions (mm) Rising Stem Gate Valve
| DN | 10K | |||
| mm | in | L | H | Do |
| 40 | 1 1/2" | 165 | 250 | 160 |
| 50 | 2" | 178 | 409 | 180 |
| 65 | 2 1/2" | 190 | 535 | 200 |
| 80 | 3" | 203 | 570 | 200 |
| 100 | 4" | 229 | 590 | 220 |
| 125 | 5" | 254 | 530.5 | 280 |
| 150 | 6" | 267 | 630 | 300 |
| 200 | 8" | 292 | 960 | 320 |
| 250 | 10" | 330 | 1158 | 350 |
| 300 | 12" | 356 | 1378 | 450 |
| 350 | 14" | 381 | 1543 | 500 |
| 400 | 16" | 406 | 1738 | 600 |
| 450 | 18" | 432 | 1959 | 600 |
| 500 | 20" | 457 | 2214 | 680 |
| 20K | ||||
| 40 | 1 1/2" | 165 | 250 | 160 |
| 50 | 2" | 216 | 480 | 200 |
| 65 | 2 1/2" | 241 | 510 | 250 |
| 80 | 3" | 283 | 580 | 280 |
| 100 | 4" | 305 | 700 | 350 |
| 150 | 6" | 403 | 940 | 400 |
| 200 | 8" | 419 | 1190 | 450 |
| 250 | 10" | 457 | 1390 | 500 |
| 300 | 12" | 502 | 1600 | 500 |
| 350 | 14" | 762 | 1750 | 600 |
| 400 | 16" | 838 | 1900 | 600 |
| 450 | 18" | 914 | 2320 | 650 |
Investment Casting & Valve Manufacturing Since 1987
At SDPLDL, we are a trusted manufacturer specializing in precision investment casting and industrial valves for global markets. We operate our own manufacturing facility featuring over 200 sets of advanced manufacturing equipment and an in-house testing center equipped with 16-ton dynamic balancing machines. Our integrated manufacturing capabilities allow us to seamlessly produce precision investment casting valves, custom stainless steel large-diameter valves, and slurry valves under strict compliance with ISO 9001 standards.
