Duplex manual hydraulic test pump

2S-SY series manual single-cylinder test pressure pump (hereinafter referred to as the pump), specifically for various types of pressure vessels, piping, valves, steam boilers and other laboratories for testing and get the fluid pressure source equipment. Working medium is 5 ℃ -60 ℃ of water, emulsion and the kinematic viscosity is less than 45mm2 / S of the oil, this pump has 5 models.