● PP (polypropylene) is applied for the body material to adapt to clean environment. ● Seal rubber: EPDM (standard), FKM, HNBR ● Packaging option: Standard package, clean room package ● Medium: Air, other (conditional) ● Operating pressure : 0.05~1.0 MPa (at 0~20ºC) ● Check valve opening pressure : 0.005~0.05 MPa ● Operating temp.: 0~80ºC (No freezing)