止回阀材质应用温度范围
材料Materia | 介质温度℃Medium Temperature |
增强聚丙烯(RPP) | -14℃~+90℃ |
聚偏二氟丙烯(PVDF) | -40℃~+140℃ |
均聚型聚丙烯(PPH) | -14℃~+95℃ |
聚氯乙烯(UPVC) | -14℃~+85℃ |
氯化聚氯乙烯(CPVC) | -20℃~+95℃ |
旋启式止回阀零件材质标
称号No. | 名称Name | 材料Material |
1 | 阀体Body | PVDF |
2 | 阀盖Bonnet | PVDF |
3 | 活板Moving board | PVDF |
4 | 密封板托盘Sealing ring tray | PVDF |
5 | 摆动肩Swing axie | PVDF |
6 | 密封压紧 Compression sealing cao | PVDF |
7 | 上盖密封Back seal | PTFE(PVDF、RPP) |
8 | 轴心idm | PVDF |
9 | 螺帽Nut | PVDF |
10 | 填片Packing | PVDF |
11 | 螺帽Nut | PVDF |
12 | 填片Packing | PVDF |
13 | 填片Packing | 不锈钢,钢Stainless steel, steel |
14 | 螺帽Nut | 不锈钢,钢Stainless steel, steel |
15 | 固定螺丝Fixed screw | PTFE(PVDF、RPP) |
16 | 固定梢Pin | PVDF |
主要连接尺寸
公称通径DN(mm) | D1 | D2 | n-Φ | L | T | 工作压力Mpa | |||||||||||||
JIS | DIN | ANSI | JIS | DIN | JIS | DIN | mm ANSI | JIS DIN | ANSI | JIS DIN | ANSI | RPP | PVDF | CPVC | UPVC | ||||
20(¾“) | 75 | 75 | 70 | 105 | 4-15 | 4-14 | 4 | 0.63 | 140 | 5.51 | 15 | 0.59 | 0.6 | 0.7 | 0.6 | 0.7 | |||
25)(1“) | 90 | 90 | 80 | 115 | 4-19 | 4-14 | 4 | 0.63 | 160 | 0.63 | 16 | 0.63 | 0.6 | 0.7 | 0.6 | 0.7 | |||
40(1½“) | 105 | 105 | 100 | 150 | 4-19 | 4-18 | 4 | 0.63 | 180 | 0.71 | 18 | 0.71 | 0.6 | 0.7 | 0.6 | 0.7 | |||
50(2“) | 120 | 120 | 120 | 165 | 4-19 | 4-18 | 4 | 0.75 | 200 | 0.82 | 21 | 0.82 | 0.6 | 0.7 | 0.6 | 0.7 | |||
65(2½“) | 140 | 140 | 140 | 185 | 4-19 | 4-18 | 4 | 0.75 | 245 | 0.90 | 23 | 0.90 | 0.6 | 0.7 | 0.6 | 0.7 | |||
80(3“) | 150 | 150 | 152 | 200 | 8-19 | 8-18 | 4 | 0.75 | 270 | 0.98 | 25 | 0.98 | 0.6 | 0.7 | 0.6 | 0.7 | |||
100(4“) | 175 | 175 | 190 | 220 | 8-19 | 8-18 | 8 | 0.75 | 300 | 1.02 | 26 | 1.02 | 0.5 | 0.5 | 0.6 | 0.7 | |||
125(5“) | 210 | 210 | 216 | 250 | 8-23 | 8-18 | 8 | 0.87 | 390 | 1.06 | 27 | 1.06 | 0.5 | 0.5 | 0.6 | 0.7 | |||
150(6“) | 240 | 240 | 240 | 280 | 8-23 | 8-23 | 8 | 0.87 | 390 | 15.75 | 27 | 1.06 | 0.4 | 0.5 | 0.6 | 0.7 | |||
200(8“) | 290 | 290 | 298 | 340 | 12-23 | 8-23 | 8 | 0.87 | 500 | 19.69 | 34 | 1.34 | 0.4 | 0.5 | 0.6 | 0.7 | |||
250(10“) | 395 | 395 | 362 | 395 | 12-23 | 12-23 | 12 | 600 | 35 | 0.4 | 0.5 | 0.6 | |||||||
300(12“) | 400 | 400 | 432 | 445 | 16-25 | 12-23 | 12 | 600 | 35 | 0.4 | 0.5 | 0.6 |
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