| 主要零件及材料表 Main parts and material table | |||
| 零件名稱 Part name | 材料 Material | | |
| 上下閥體 Upper and lower body | 鑄鋼Cast steel不銹鋼Stainless steel、內(nèi)襯Lining F4 、F46 | | |
| 閥瓣 Disc | 鑄鋼Cast steel、不銹鋼Stainless steel、襯Lining F4 、F46 | | |
| 墊圈 Washer | F4、F46 | | |
■主要零件及材料表 Main parts and material table
| 設(shè)計(jì)標(biāo)準(zhǔn)Design standard | 技術(shù)標(biāo)準(zhǔn)Technology standard |
| 結(jié)構(gòu)長度Structure length | GB12224 |
| 法蘭標(biāo)準(zhǔn)Flange Standard | JB/T79-94 |
| GB9113.1-26 | |
| 檢驗(yàn)試驗(yàn)Inspection test | GB/T13927 |
■襯氟止回閥標(biāo)準(zhǔn) PTFE-lined Check Valve Standard
| 技術(shù)規(guī)范Technical specification | |
| 設(shè)計(jì)標(biāo)準(zhǔn)Design standard | GB12236 |
| 結(jié)構(gòu)長度Structure length | GB12221 |
| 法蘭標(biāo)準(zhǔn)Flange standard | JB/T79-94 |
| GB9113.1-26 | |
| 檢驗(yàn)試驗(yàn)Inspection test | GB/T13927 |
■主要外形尺寸和連接尺寸Main form and connection size
| 公稱通徑Nominal diameter | PN1.0（MPa）主要外形尺寸和連接尺寸Main form and connection size | 重量Weight | ||||||||
| DN | L | D | D1 | D2 | f | b | z-Φd | B | H | Kg |
| 15 | 80 | 95 | 65 | 43 | 3 | 14 | 4-Φ14 | 100 | 40 | 6 |
| 20 | 90 | 105 | 75 | 50 | 3 | 14 | 4-Φ14 | 115 | 45 | 7 |
| 25 | 152 | 115 | 85 | 60 | 3 | 16 | 4-Φ14 | 130 | 50 | 8 |
| 32 | 152 | 135 | 100 | 68 | 3 | 18 | 4-Φ18 | 145 | 55 | 11 |
| 40 | 178 | 145 | 110 | 80 | 3 | 18 | 4-Φ18 | 160 | 62.5 | 15 |
| 50 | 178 | 160 | 125 | 100 | 3 | 20 | 4-Φ18 | 170 | 70 | 17 |
| 65 | 190 | 180 | 145 | 115 | 3.5 | 20 | 4-Φ18 | 205 | 80 | 26 |
| 80 | 203 | 195 | 160 | 130 | 3.5 | 22 | 8-Φ18 | 235 | 92.5 | 37 |
| 100 | 267 | 215 | 180 | 150 | 4 | 24 | 8-Φ18 | 285 | 105 | 46 |
| 125 | 305 | 245 | 210 | 180 | 4 | 26 | 8-Φ18 | 330 | 125 | 65 |
| 150 | 394 | 280 | 240 | 210 | 5 | 28 | 8-Φ23 | 360 | 150 | 92 |
| 200 | 380 | 335 | 295 | 260 | 5 | 32 | 8-Φ23 | 425 | 190 | 155 |
| 250 | 420 | 405 | 335 | 319 | 5 | 36 | 12-Φ26 | 500 | 210 | 240 |
| 300 | 460 | 460 | 410 | 375 | 5 | 40 | 12-Φ26 | 620 | 230 | 320 |
