压力/真空储罐保护阀

Pressure/Vacuum Valves


A range of pressure only, vacuum only and combined pressure and vacuum relief valves to alleviate the problems caused by the thermal effects and the filling and emptying of storage tanks and vessels.

提供全系列产品，用以保护低压储罐和容器。呼吸阀用于防止因加料和卸料而引起储罐的爆炸和爆聚。

产品种类              尺寸范围                   压力范围                          真空度范围

呼吸阀               50~400mm               2.5mbarg                     -2.5barg~-800mbarg

重力式                 (2"~36")                      ~3.5 barg 

弹簧式

先导式

泄压入孔            250~900mm            4 mbarg                       -4 mbarg~-50 mbarg

                               (10"~36")                 ~140 mbarg

计量孔                 100~200mm

                                 (4:~8")

氮封阀                15~50mm                   设定压力

                                 (0.5"~2")                  2~1000 mbarg

                                                                   供气压力

                                                                   1.4~14 barg

Marvac 呼吸阀、先导式呼吸阀、紧急排放人孔和计量孔能够为储罐和容器提供最佳压力保护。

呼吸阀是用于防止由于加料和卸料而引起储罐的爆炸的爆聚。

Marvac 产品可用不锈钢、碳钢、铝和铸铁等各种标准材料制造，也可用哈氏合金、蒙乃尔、双向钢和各种塑料制造。