應用:
該類型止回閥用于不銹鋼管道系統內,以達到防止流體回流的目的。
技術數據:
若止回閥被安裝在一根垂直的管道內,開啟閥門所需的壓力大約為300-600kpa,最大輸送物料壓力為800kpa,使用溫度范圍根據密封件材質的選擇而不同,一般常用的三元乙丙橡膠(EPDM)是-10℃~+140℃
材質:
鋼制部分:不銹鋼304,≤0Cr18Ni9≥,≤1.4301≥ 不銹鋼316L≤00Cr17Ni14M02≥,≤1.4404≥
密封圈:硅橡膠(VMQ),氟橡膠(FPM) 三元乙丙(EPDM)
RZ11-SMS Size | A | B | C | D | E | t |
25 | 64 | 20 | 68 | 25.4 | 53.6 | 1.5 |
32 | 64 | 20 | 68 | 31.8 | 53.6 | 1.5 |
38 | 71 | 21 | 76 | 38.1 | 60.6 | 1.5 |
51 | 86 | 22 | 86 | 50.8 | 74.6 | 1.5 |
63 | 100 | 24 | 102 | 63.5 | 87.6 | 2.0 |
76 | 112 | 26 | 110 | 76.2 | 97.5 | 2.0 |
89 | 123 | 26 | 120 | 88.9 | 109.5 | 2.0 |
102 | 143.5 | 31 | 135 | 101.6 | 129.5 | 2.0 |
RZ11-DIN Size | A | B | C | E | DIN11850-1 DIN11850-2 DXt DXt |
DN25 | 64 | 20 | 68 | 53.5 | 28X1.5 29X1.5 |
DN32 | 64 | 20 | 68 | 53.5 | 34X1.5 35X1.5 |
DN40 | 71 | 21 | 76 | 60.5 | 40X1.5 41X1.5 |
DN50 | 86 | 22 | 86 | 74.6 | 52X1.5 53X1.5 |
DN65 | 18 | 25 | 102 | 94.6 | 70X2 70X2 |
DN80 | 123 | 26 | 120 | 109.5 | 85X2 85X2 |
DN100 | 145.3 | 31 | 135 | 129.5 | 104X2 104X2 |
RZ11-3A Size | A | B | C | D | E | t |
1” | 64 | 20 | 68 | 25.4 | 53.6 | 1.65 |
1.25“ | 64 | 20 | 68 | 31.8 | 53.6 | 1.65 |
1.5” | 71 | 21 | 76 | 38.1 | 60.6 | 1.65 |
2“ | 86 | 22 | 86 | 50.8 | 74.6 | 1.65 |
2.5” | 100 | 24 | 102 | 63.5 | 87.5 | 1.65 |
3“ | 112 | 26 | 110 | 76.2 | 97.5 | 1.65 |
4” | 143.5 | 31 | 135 | 101.6 | 129.5 | 2.1 |