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首页    3A级管件    焊接式止回阀
焊接式止回阀3大-16155991995

焊接式止回阀

应用:

该类型止回阀用于不锈钢管道系统内,以达到防止流体回流的目的。

技术数据:

若止回阀被安装在一根垂直的管道内,开启阀门所需的压力大约为300-600kpa,最大输送物料压力为800kpa,使用温度范围根据密封件材质的选择而不同,一般常用的三元乙丙橡胶(EPDM)是-10℃~+140℃

材质:

钢制部分:不锈钢304,≤0Cr18Ni9≥,≤1.4301≥   不锈钢316L≤00Cr17Ni14M02≥,≤1.4404≥

密封圈:硅橡胶(VMQ),氟橡胶(FPM)  三元乙丙(EPDM)

 

DIN                     Size A B L T
                            DN15 62.5 19.0 75.0 1.5
                            DN20 62.5 23.0 75.0 1.5
                           DN25 77.5 29.0 78.0 1.5
                           DN32 77.5 35.0 78.0 1.5
                          DN40 89.0 41.0 80.0 1.5
                         DN50 105.0 53.0 86.0 1.5
                         DN65 134.0 70.0 97.0 2.0
                        DN80 145.0 85.0 105.0 2.0
                        DN100 158.5 104.0 105.0 2.0

 

 

3A                  Size A B B L2 T L
                      1/2" 62.5 12.7 25.4 88.6 1.65 75.0
                       3/4" 62.5 19.05 25.4 88.6 1.65 75.0
                      1" 77.5 25.4 50.5 88.6 1.65 78.0
                    1 1/2" 89.0 38.1 50.5 94.3 1.65 80.5
                    2" 105.0 50.8 64.0 105 1.65 86.0
                   2  1/2" 118.5 63.5 77.5 116 1.65 97.0
                     3" 134.0 76.2 105 123.5 1.65 105
                     4" 158.5 101.6 105 123.5 2.1 105