Specification :

Hydraulic Butterfly Valve Test Bench(Model JLD )

1. As for the way of emplacing and clamping of the valve to be tested, the test bench adopts the way of pulling downwards of the clamping jaw.

2. As for the form of configuration,the test bench can also be designed into two types,unitary type.

3. The appropriate typer of test bench will be selected,designed,manufactured according to the customersrequirements of testing pressure range.

Working principie and using method of the JLD type hydraulic butterfly valve test desk

JLD type butterfly valve test desk is the testing equipment exclusively for butterfly valve performance test. The machineintegrates the mechanical, electric, hydraulic and hydrodynamic pressure feed device circulating water system. The clamp claw of the test desk realize the test by clamping the butterfly valve through being driven by cylinder, making each claw stressed evenly and reliably. The function of moving towards radial direction of the clamp claw adopts cylinder and connecting rod level to realize the synchronous movement, ensuring the tests of butterfly valves of different latus rectum. When test on sealing, clamp the flange of thebutterfly valve with flange, clamping the butterfly valve surface can test the butterfly valve without flange. The machine can directly observe whether there is leakage or bubbling in the cavity of the butterfly valve. If testing on intensity, cover the sealing blank plate.Torque test and test of open and close in 90~ of the electric device can be performed on the machine. The machine is provided with hydraulic water-supply pump. The medium can be stored used circularly. When using clean water, it should add antirust to prevent the valve rust after test and influence the using performance of the hydraulic pressure-feeding device.

Using method:

1 inject 30#-40#hydraulic oil or 20# mechanical oil into the cylinder of hydraulic system, the oil amount should not less than the lower limitation of the oil level indicator.
2 connect the power, push the start button of the oil pump, and check whether the rotating direction of the motor is correct.
(Clockwise)
3 adjust the pressure of hydraulic system to 5.0Mpa to work normally.
4 working procedure:
(1) inch the clamp claw to the maximum position;
(2) put the tested butterfly valve on the center of thesealing disk of work table;
(3) inch the clamp claw to the needed position on the tested butterfly valve;
(4) inch the clamp claw, clampthe tested butterfly valve (flange or surface);
(5) press pressure increasing button to the desired pressure (clamp cylinder neededpressure reference list) (stick on the machine). Pressure-increasing button can be inched for many times with the interval of 3seconds between inching (when first inching can not reach the desired pressure). The maximum pressure is 32Mpa;
(6) test thetested butterfly valve with water pressure and air pressure;
(7) open the water or air outlet switch to let go the pressure after test;
(8)press the release buttons by turns to take the tested valve down.

Pls contact us for more information.