Z41h / W Japanese standard gate valve produced and sold by Woci valve (Shanghai) Co., Ltd. is suitable for cutting off or connecting pipeline media in petroleum, chemical industry, pharmaceutical, chemical fertilizer, power industry and other working conditions with nominal pressure of 10K \ 20K ~ 64K and working temperature of - 110 ~ 600 ℃.
Characteristics of z41h / W Japanese standard gate valve
1. The product has reasonable structure, reliable sealing, excellent performance and beautiful appearance;
2. The sealing surface is overlaid with Co based cemented carbide, with good wear resistance, corrosion resistance, friction resistance and long service life;
3. The valve rod is subject to quenching and tempering and surface nitriding treatment, with good corrosion and friction resistance;
4. Double sealing, more reliable performance;
5. The part material, flange and butt welding end size can be reasonably selected according to the actual working conditions or user requirements to meet various engineering needs
JIS Japanese standard technical specification for flange gate valve
design basis | Japanese standard series | American Standard Series | |
Design criteria | BS5351 | AP16D | ANSI B16.34 |
Length of flange connection structure | JIS B2002 | AP16D | ANSI B16.10 |
Structural length (welding) | - | AP16D | ANSI B16.10 |
Connecting flange | JIS B2212 B2214 | ANSI B16.5、B16.47 | |
Butt welding end | - | ANSI B16.25 | |
Test and inspection | JIS B2003 | AP16D | AP1598 |
Pressure test pressure of JIS Japanese standard flange gate valve
Test items | Shell test | Sealing test | Upper seal test | gas | ||
Company | Mpa | Mpa | Mpa | 0.5-0.7 | ||
20K | 5.8 | 4.0 | 4.0 | |||
JIS Japanese standard flange gate valve parts and materials list
Part name | Part Material | Part Name | ||||
Body / bonnet | A216-WCB | A217-WC6 | A352-LCB | A351-CF8M | Body/Bonnet | |
Ram | A216-WCB | A217-WC6 | A352-LCB | A351-CF8M | Wedge | |
Valve stem | A182-F6a | A182-F11 | A182-F6a | A182-F316 | Stem | |
filler | Flexible Graphite | PTFE | Packing | |||
shim | 18-8Flexible Graphite | Gasket | ||||
Bolt | A193-B7 | A193-B7 | A193-B7M | A193-B8 | Bolt | |
Applicable temperature | -29~425℃ | -29~550℃ | -46~350℃ | -40~200℃ | Suitable Temp | |
Applicable media | Water，Oil，Steam | Steam，Oil | Propane，Ethane | Nitric Acid | Suitable Medium | |
Main External And Connection：10K
DN mm | in | L | D | D1 | D2 | b | n-φd | H | D0 | W（kg） |
50 | 2 | 178 | 155 | 120 | 100 | 16 | 4-19 | 409 | 200 | 24 |
65 | 21/2 | 190 | 175 | 140 | 120 | 18 | 4-19 | 535 | 250 | 31 |
80 | 3 | 203 | 185 | 150 | 130 | 18 | 8-19 | 570 | 250 | 40 |
100 | 4 | 229 | 210 | 175 | 155 | 18 | 8-19 | 590 | 250 | 55 |
150 | 6 | 267 | 280 | 240 | 215 | 22 | 8-23 | 630 | 300 | 90 |
200 | 8 | 292 | 330 | 290 | 265 | 22 | 12-23 | 960 | 350 | 145 |
250 | 10 | 330 | 400 | 355 | 325 | 24 | 15-25 | 1158 | 400 | 230 |
300 | 12 | 356 | 450 | 400 | 370 | 24 | 16-25 | 1378 | 450 | 330 |
350 | 14 | 381 | 490 | 445 | 415 | 26 | 16-25 | 1543 | 500 | 460 |
400 | 16 | 406 | 560 | 510 | 475 | 28 | 16-27 | 1738 | 600 | 600 |
450 | 18 | 432 | 620 | 565 | 530 | 30 | 20-27 | 1959 | 600 | 980 |
500 | 20 | 457 | 675 | 620 | 585 | 30 | 20-27 | 2214 | 680 | 960 |
20K | ||||||||||
50 | 2 | 216 | 155 | 120 | 100 | 18 | 8-19 | 480 | 200 | 32 |
65 | 21/2 | 241 | 175 | 140 | 120 | 20 | 8-19 | 510 | 250 | 39 |
80 | 3 | 283 | 200 | 160 | 135 | 22 | 8-23 | 580 | 280 | 55 |
100 | 4 | 305 | 225 | 185 | 160 | 24 | 8-23 | 700 | 350 | 80 |
150 | 6 | 403 | 305 | 260 | 230 | 28 | 12-25 | 940 | 400 | 160 |
200 | 8 | 419 | 350 | 305 | 275 | 30 | 12-25 | 1190 | 450 | 250 |
250 | 10 | 457 | 430 | 380 | 345 | 34 | 12-27 | 1390 | 500 | 370 |
300 | 12 | 502 | 480 | 430 | 395 | 35 | 16-27 | 1600 | 500 | 560 |
350 | 14 | 762 | 540 | 480 | 440 | 40 | 16-33 | 1750 | 600 | 870 |
400 | 16 | 838 | 605 | 540 | 495 | 46 | 16-33 | 1900 | 600 | 1150 |
450 | 18 | 914 | 675 | 605 | 560 | 48 | 20-33 | 2320 | 650 | |
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