襯氟法蘭球閥是用帶圓形通孔的球體作啟閉件,球體隨閥桿繞閥體中心線旋轉(zhuǎn)以實現(xiàn)閥門開啟和關(guān)閉.本廠球系列為Q41型,為對開二片式結(jié)構(gòu)型式.采用特殊的模壓工藝,使密封面致密良好,加之V型PTFE填料組合使閥門達到零泄漏。球體與閥桿鑄為一體,杜絕了由于壓力變化引起閥桿沖出承壓件內(nèi)的可能性,根本保證使用中的安全性。采用全塑料襯里工藝,耐介質(zhì)的強腐蝕。
襯氟法蘭球閥主要零件的材料說明:
序號 | 零件名稱 | 灰鑄鐵 | 鑄鋼 | 不銹耐酸鑄鋼 | 超低碳不銹耐酸鑄鋼 | ||
Z | C | P | R | PL | RL | ||
1 | 閥體/閥蓋 | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
2 | 球體/閥桿 | WCB | CF8 | CF8M | CF3 | CF3M | |
3 | 襯里/閥座 | PCTEF(F3)、FEP(F46)、PFA(可溶性F4)、PP、PO | |||||
4 | 填料壓蓋 | WCB | CF8 | CF8M | CF3 | CF3M | |
5 | 填料 | PTFE(F4) | PTFE(F4) | PTFE(F4) | |||
6 | 支架 | 35 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | |||
7 | 螺栓 | 35 | 1Cr17Ni2 | 1Cr18Ni2 | |||
8 | 緊固螺母 | 45 | 0Cr18Ni9 | 0Cr18Ni9 | |||
9 | 操作手柄 | WCB | WCB | WCB |
主要外形尺寸:
公稱通徑 | 標(biāo)準(zhǔn)值 | 參考值 | ||||||||||
DN (mm) | NPS (inch) | L | D | D1 | D2 | f | b | Z-φd | W | D0 | H | WT(Kg) |
PN1.0MPa | ||||||||||||
15 | 1/2 | 130 | 95 | 65 | 45 | 2 | 14 | 4-φ14 | 120 |
| 80 | 2.5 |
20 | 3/4 | 140 | 105 | 75 | 55 | 2 | 16 | 4-φ14 | 140 |
| 90 | 3 |
25 | 1 | 150 | 115 | 85 | 65 | 2 | 16 | 4-φ14 | 160 |
| 100 | 4.5 |
32 | 11/4 | 165 | 135 | 100 | 78 | 2 | 18 | 4-φ18 | 160 |
| 110 | 5.7 |
40 | 11/2 | 180 | 145 | 110 | 85 | 3 | 18 | 4-φ18 | 200 |
| 120 | 7 |
50 | 2 | 200 | 160 | 125 | 100 | 3 | 20 | 4-φ18 | 250 |
| 135 | 9.5 |
65 | 21/2 | 220 | 180 | 145 | 120 | 3 | 20 | 4-φ18 | 300 |
| 145 | 15 |
80 | 3 | 250 | 195 | 160 | 135 | 3 | 22 | 4-φ18 | 350 |
| 185 | 19 |
100 | 4 | 280 | 215 | 180 | 155 | 3 | 22 | 8-φ18 | 400 |
| 195 | 33 |
125 | 5 | 320 | 245 | 210 | 185 | 3 | 24 | 8-φ18 | 500 |
| 210 | 58 |
150 | 6 | 360 | 280 | 240 | 210 | 3 | 24 | 8-φ23 |
| 200 | 450 | 93 |
200 | 8 | 457 | 335 | 295 | 265 | 3 | 26 | 8-φ23 |
| 240 | 490 | 155 |
250 | 10 | 533 | 390 | 350 | 320 | 3 | 28 | 12-φ23 |
| 240 | 550 | 210 |
PN1.6MPa | ||||||||||||
15 | 1/2 | 130 | 95 | 65 | 45 | 2 | 14 | 4-φ14 | 120 |
| 80 | 2.5 |
20 | 3/4 | 130 | 105 | 75 | 55 | 2 | 16 | 4-φ14 | 140 |
| 90 | 3 |
25 | 1 | 140 | 115 | 85 | 65 | 2 | 16 | 4-φ14 | 160 |
| 100 | 4.5 |
32 | 11/4 | 165 | 135 | 100 | 78 | 2 | 18 | 4-φ18 | 160 |
| 110 | 5.7 |
40 | 11/2 | 165 | 145 | 110 | 85 | 3 | 18 | 4-φ18 | 200 |
| 120 | 7 |
50 | 2 | 203 | 160 | 125 | 10 | 3 | 20 | 4-φ18 | 250 |
| 135 | 9.5 |
65 | 21/2 | 222 | 180 | 145 | 120 | 3 | 20 | 4-φ18 | 300 |
| 145 | 15 |
80 | 3 | 24 | 195 | 160 | 135 | 3 | 22 | 8-φ18 | 350 |
| 185 | 19 |
100 | 4 | 305 | 215 | 180 | 155 | 3 | 24 | 8-φ18 | 400 |
| 195 | 33 |
125 | 5 | 356 | 245 | 210 | 185 | 3 | 26 | 8-φ18 | 500 |
| 210 | 58 |
150 | 6 | 394 | 280 | 240 | 210 | 3 | 28 | 8-φ23 |
| 200 | 450 | 93 |