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英標(biāo)氣動(dòng)隔膜閥（往復(fù)式）技術(shù)規(guī)范 Technical specificastion
| 設(shè)計(jì)規(guī)范 | 結(jié)構(gòu)長(zhǎng)度 | 連接法蘭 | 試驗(yàn)與檢驗(yàn) | 產(chǎn)品標(biāo)識(shí) | 供貨規(guī)范 |
| Design spec | Face to face | Flange ends | Test and inspection | Marking | Supply |
| BS5156 | BS5156 | BS4504 | BS 13927 | BS 12220 | BS 7928 |
英標(biāo)氣動(dòng)隔膜閥（往復(fù)式）主要零部件材料 Main part material
| 序號(hào) NO | 零件名稱 Name of parts | 灰鑄鐵 | 鑄鋼 | 不銹耐酸鑄鋼 | 超低碳不銹耐酸鑄鋼 | ||
| Gray cast iron | Cast steel | Stainless acid resistant cast steel | Stainless acid resistant cast steel | ||||
| Z | C | P | R | PL | RL | ||
| 1 | 閥體/閥蓋 Body/bonnet | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
| 2 | 閥瓣/閥桿 Disc/Stem | HT250 | 1Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 00Cr18Ni10 | 00Cr17Ni14Mo2 |
| 3 | 襯里/閥座 Lining/Seat | 天然膠（Natural rubber）、丁基膠（Isobutylene-isoprene rubber）、PTFE（F4）、FEP（F46） | |||||
| 4 | 隔膜 Diaphragm | 橡膠、氟塑料 Rubber, fluoro plastic | |||||
| 5 | 氣缸 Cylinder | 鋁合金、碳鋼 Aluminum alloy, carbon steel | |||||
| 6 | 氣動(dòng)薄膜 Pneumatic | 橡膠 Rubber | |||||
英標(biāo)氣動(dòng)隔膜閥（往復(fù)式）主要尺寸及重量 Main dimensions and weight 單位Unit: mm
| 公稱壓力 Nominal pressure | 工作壓力 Working pressure | 通徑 Diameter | L | D | D1 | N-φd | F | H1 | D0 | B | 代號(hào) Code | 氣源壓力 Air pres- sure （MPa） | 氣源接頭 | 耗氣量 | 重量 | |
| Air joint （in | Air consum- | Weight | ||||||||||||||
| mm | inch | | ption（c | kg/kilo | ||||||||||||
| 1.6 | 1.6 | 15 | 1/2 | 108 | 95 | 65 | | 2 | | | | | | | | |
| 20 | 3/4 | 117 | 105 | 75 | 4-13.5 | 2 | 136 | 140 | 168 | 54 | 0.3 | 1-8 | 163.87 | 5 | ||
| 25 | 1 | 127 | 115 | 85 | 4-13.5 | 2 | 144 | 140 | 168 | 54 | 0.3~0.4 | 1-8 | 196.65 | 6.2 | ||
| 32 | 11/4 | 146 | 140 | 100 | 4-17.5 | 2 | 209 | 140 | 260 | 55 | 0.3~0.4 | 1-8 | 229.4 | 7 | ||
| 40 | 11/2 | 159 | 150 | 110 | 4-17.5 | 2 | 227 | 140 | 260 | 55 | 0.3~0.4 | 1-4 | 1458.7 | 13 | ||
| 50 | 2 | 190 | 165 | 125 | 4-17.5 | 2 | 231 | 140 | 260 | 55 | 0.3~0.4 | 1-4 | 3162.7 | 23 | ||
| 1.0 | 1.0 | 65 | 21/2 | 216 | 185 | 145 | 8-17.5 | 2 | 252 | 140 | 260 | 55 | 0.3~0.4 | 1-4 | 3243 | 27 |
| 80 | 3 | 254 | 200 | 160 | 8-17.5 | 2 | 285 | 165 | 425 | 56 | 0.4~0.5 | 3-8 | 6636.8 | 56 | ||
| 100 | 4 | 305 | 220 | 180 | 8-17.5 | 2 | 360 | 280 | 425 | 57 | 0.4~0.5 | 3-8 | 6948 | 60 | ||
| 125 | 5 | 356 | 250 | 210 | 8-17.5 | 3 | 370 | 280 | 425 | 57 | 0.4~0.5 | 3-8 | 7374.2 | 68 | ||
| 150 | 6 | 406 | 285 | 240 | 8-22 | 3 | 462 | 280 | 549 | 58 | 0.5 | 3-8 | 10652 | 115 | ||
| 0.6 | 0.6 | 200 | 8 | 521 | 340 | 295 | 4-22 | 3 | 544 | 280 | 549 | 58 | 0.6 | 3-8 | 16715 | 196 |
| 250 | 10 | 635 | 395 | 35 | | 5 | | | | | | | | | ||
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