... to become one which makes great convenience of the installment. Rubber hydraulic valves' ClassificationThe main product includes: XH81, XH81A, XH41, ... pass though smoothly. Valve body material is the chloroprene rubber, CSM, buna-N rubber, EPDM and so on, and flange material is ... Q235, 304, 316 and so on. Applications of rubber hydraulic valve: ...