Parher hydraulic cutting machine must be manufactured in accordance with the requirements of

 valve with screw connection performance levels must comply with the manufacturer's requirements, not free substitution.Parher hydraulic cutting machine Connection screws should be tightened evenly (do not use a hammer or wrench forcibly twist), Interlock Hose Fittings do not twist side, and finally the mounting surface and bottom valve or manifold monoblock valve mounting surface all contacts.
(2) should be taken back to the oil inlet port and orientation, as will some of the valve inlet port fitted with anti-return oil will cause an accident. Some valves for easy installation, often open with two holes with the role, not the one you want after the installation closure.