JWT Type welded valve test equipment

1, overview 
 JWT welding valve test bench is on the basis of our many years experience in manufacturing of the valve testing equipment, to address the valve manufacturer, valve can not be right to use other units such as blue-type valve and method <J61,J63, Z61> valves of different types can be a testing machine for testing the requirements of the "universal valve pressure test" and "valve testing and detection" of the standard specification requirements. The machine set of hydraulic, electromechanical, test pressure and liquid medium used for storage of cycle one, with a reasonable structure, perfect function and convenient operation etc., are widely used in nominal diameter DNl5-800mm all kinds of high intensity and low-pressure valve seal . Performance tests.，The maximum seal test pressure 32.0MPa, strength tests 48.0MPa.
 
2, Working principle and structure

JWT hydraulic valve test bench set welded hydraulic, mechanical, electrical, hydraulic pump in one for the use of hydraulic clamping. Pairs of valves were tested for performance tests. Hydraulic system test bed is the main source of power for the hydraulic fluid for the pump-driven and functional performance. Hydraulic clamping cylinder working pressure is based on a different level of the test pressure valve to adjust boost (maximum hydraulic boost pressure 31.5MPa). Hydraulic pump installations for micro-pressure and high pressure 2 files, in accordance with this test sequence of operations, in the electrical and vacuum regulator valve under the control of media to pressure test the valve for the water pump pressure range 0.4-48.0MPa, for the pressure medium anti-rust water or oil. The test bed is set at the bottom of the storage tanks to ensure the recycling of liquid medium.
3, Use, notes and requirements
(1), equipment installation: the school a good level of equipment, placement, or a fixed foot concrete bolts.
(2), use 30 - 40 # 20 # hydraulic oil or machine oil into the fuel tank, fuel can not be less than the lower limit of the oil level gauge.
(3), to ensure that subjects were no corrosion and the native valve for pressure medium demands and needs. Local storage tanks of liquid medium for anti-rust water or oil, according to usage conditions into the storage tanks.
(4), connected to power, according to pump starting, check the motor rotation direction is correct (clockwise direction) to regulate the pump pressure in the 5 0MPa test-machine, to check whether the leaking pipe and found that negative phenomena should be immediately overhauled.
(5), test valve, the first valves were tested according to test requirements refer to "compress cylinder pressure required to control the table" to test pressure booster regulator. Work in Non-pressurized high pressure. Prevent damage to test the valve deformation.
(6), hydraulic pump for the job before the first vacuum regulating valve located in the appropriate use of pressure adjustment position, and then medium pressure of work.
(7), water storage tank of liquid test medium, to be changed regularly to the newly launched anti-rust water or oil in a month or so the use of storage tanks should be cleaned at the same time replacement of anti-rust water, after three months or six cycles.