The drawback with this arrangement is, due to the engine being thermostatically controlled and the hydraulic system not, air flow through the combined heat exchanger depends entirely on engine temp

PE ball valve is mainly density polyethylene pipe buried in the package, cut off all gas transmission and media streaming. The valve can be buried in the ground, just install a simple sheath, opening

The electrical or hand-driven device may make the actual valve board up and down simply by rolling motion. The particular valve boarder is influenced simply by the actual force around the upper dir

The machinery systems on board ship consist of several safety features for safe and smooth operation of the ship and also for the safety of its personnel. Relief valve is one such important safety

2 and improve manufacturing precision machining of measures Sealing effect is a key element of the valve manufacturer. Sealing problem has always been difficult to solve mechanical problems processin