·旋启式止回阀，H44H-2.5C,H44H-4
·旋启式止回阀，H44H-4.0P,H44H-6
·静音式止回阀，HC42X-1.0P，HC42
·静音式止回阀，HC42X-1.0C，HC42
·全铜消声止回阀，H41X-25,H41X-2
·全铜消声止回阀，H41X-1.6C,H41X
·全铜消声止回阀，H41X-10P,H41X-
·消声止回阀，HC41X-1.0P,HC41X-1
·,消声止回阀，HC41X-1.0,HC41X-1
·消声止回阀，HC41X-1.0C,HC41X-1

01/22 13:21