執(zhí)行標(biāo)準(zhǔn)：
| 遵循規(guī)范 | STANDARD |
| 設(shè)計(jì)與規(guī)范 Design | GB 12239 |
| 結(jié)構(gòu)長(zhǎng)度 Face to face | GB 12221/JB 1688 |
| 法蘭尺寸 End flange | JB 78/JB 79(GB HG SH) |
| 壓力試驗(yàn) Test | GB/T 13927 |
| 標(biāo)志 Symbol | GB 12220 |
| 供貨 Supply | GB/T 12252 |
主要零部件材料表 Standard Material Specifications
| 序號(hào)NO | 零件名稱 Name | 灰鑄鐵 | 鑄鋼 | 不銹鋼 | 超低碳不銹鋼 | ||
| Z | C | P | R | PL | RL | ||
| 1 | 閥體、閥蓋、閥瓣 | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
| 2 | 閥桿 | 35 | 1Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12M02Ti | 00Cr18Ni10 | 00Cr17Ni14M02 |
| 3 | 襯里層 | FEP(F46) PFA PCTFE(F3) | |||||
| 4 | 隔膜 | FEP(F46)/CR(氟丁橡膠） PFA（可溶性聚四氟乙烯）/FPDM（乙丙橡膠） | |||||
| 5 | 閥桿螺母 | ZCuAl10Fe3 ZCuAl10Fe3 | |||||
| 6 | 螺栓 | 35 | 35 | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr17Ni9Ti | 1Cr17Ni9Ti |
| 7 | 螺母 | 45 | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 |
| 8 | 手輪 | HT200 | HT200 | WCC | WCC | WCC | WCC |
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