鍛鋼低溫球閥標(biāo)準(zhǔn)材質(zhì)明細(xì)表：
| 零件名稱 | as to astm | ss astm | |||||
| type a352lf3 | type a352lf3 | type f304(l) | type f304(l) | ||||
| 閥體接體，閥蓋 | type a352lf3 | type a352lf3 | a182 f304(l) | a182 f304(l) | |||
| 等長雙頭螺栓 | a193l7+鍍鎘 | a193 3b8 | a193 b8 | a193 b8m | |||
| 螺母 | a193l7+鍍鎘 | a1948 | a1948 | a1948m | |||
| 密封圈/墊片 | rtfe+cu粉/尼龍1010/ppl | ||||||
| 球體 | a182f304 | a182f304(l) | a182f304(l) | a182f316(l) | |||
| 閥桿 | a182f304 | a182f304(l) | a182f304(l) | a182f316(l) | |||
| 止推片/填料 | rtfe+cu粉/尼龍1010/ppl，碳素纖維 | ||||||
| 壓蓋 | a105n | a351 cf8 | |||||
| 定位片 | a182f321 | ||||||
| 扁螺母 | a1944+鍍鎘 | a1948 | a1948 | a1948 | |||
| 手柄 | a193l7+鍍鎘 | a193b8 | a193b8 | a193b8 | |||
| 圓柱銷 | q235a | ||||||
| ≥－40℃ | ≥－101℃ | ≥－196℃ | |||||
細(xì)致：客戶需求的其他材質(zhì)也可采用。密封面料配對由客戶指定內(nèi)件代號決定。
cs=碳鋼；as=合金鋼；ss=不銹鋼；
重要形狀及連接尺寸：
| dn | inch | l | d | l1 | d | d1 | h | w |
| 15 | 1/2 | 92 | 13 | 9.6 | 36 | 21.8 | 230 | 160 |
| 20 | 3/4 | 111 | 18 | 12.7 | 42 | 27.3 | 260 | 220 |
| 25 | 1 | 127 | 23 | 12.7 | 52 | 33.8 | 280 | 200 |
| 32 | 11/4 | 140 | 28 | 12.7 | 60 | 42.6 | 290 | 250 |
| 40 | 11/2 | 152 | 35 | 12.7 | 68 | 48.7 | 320 | 250 |
| 50 | 2 | 178 | 45 | 15.9 | 80 | 61.2 | 340 | 350 |
