Endurance and reliability test facility

Here the valve or equipment will be subjected to maximum operating pressure in acyclic manner to ensure the operation of full life cycle of the valve. This test is being done as a prototype testing. The performance of the valve will be verified after the required number of operations of the valve. Failure analysis is also done with this facility.

Fire test facility

Here the valve will be exposed to fire in the open condition until the valve body reaches a temperature of 600 C. This temperature will be maintained for a period not less than 15 minutes. The valve will be subjected to an internal pressure of 2 bar while exposed to fire. Valve leakage will be measured across the seat, gland, body joint and cover joint soon after the fire test. The standard followed for this tests include BS/ API/ AGA standards.

Burst test facility

The valve or the equipment under test will be subjected to internal pressure as specified in the standard. The pressure will be increased at the rate of 20,000 psi per minute to the burst pressure (4/8 times the normal working pressure) or until burst or leak occurs. No leak or break should occur before burst pressure.

Cryogenic test facility

The test valve will placed inside a cryogenic chamber and will be cooled with liquid Nitrogen as the cooling media. The valve will be soaked in this environment for the specified period. The leakage characteristics of the valve will be studied after soaking. Valves upto 24” can be tested with our facility.

LOCA Test facility

The valve / DUT will be place in a specially designed chamber with provision for hot air, steam and air supply. The DUT will be subjected to pressure and temperature with steam as test fluid simulating the failure of Main steam line. The performance of the equipment will be checked before and after the test. Provision is made for verifying the DUT performance during testing also.

MSLB test facility

The valve / DUT will be place in a specially designed chamber with provision for hot air, steam and air supply. The DUT will be subjected to pressure and temperature with steam as test fluid simulating the failure of Main steam line. The performance of the equipment will be checked before and after the test. Provision is made for verifying the DUT performance during testing also.

Torque test facility for quarter turn:

In this test, the actuator will be subjected to a torque equal or greater than twice the rated torque through one complete open – close cycle. After this the actuator will be subjected to cyclic loading for 10,000 cycles or less depending upon the size and capacity of the actuator. During cyclic loading rated torque is to be applied at the end of the strokes whereas a minimum of 30% rated torque will be applied at other positions. The actuator will be tested for any damage after torque cycling. It will also be subjected to a torque equal or greater than twice the rated torque through one complete open – close cycle.

Pressure Impulse Test

Here the valve / equipment under test will be subjected to a pressure impulse varying between 10 bar and test pressure in the form of a pulse. The coupling is to be subjected to pressure impulse at a frequency of 0.5 – 1 Hz. The total no. of cycles will be specified by the customer. After each 10,000 cycles, the coupling is to be coupled 10 times. Leakage rate is to be measured at the end of the test.

Temperature cyclic test

The test item with process fluid inside will be heated to the required temperature with electric heaters at controlled rate. To keep the fluid inside in the liquid form, test item will pressurised to a pressure above saturation temperature. After heating, the system will be maintained at the test temperature for a specified period. Then, test item will be cooed to ambient temperature at the specified cooling rate. Heating will be done with electric heaters with proper temperature controllers. Cooling can be done with atmospheric cooling with forced draft. This will be done for specified number of cycles as specified in the standard.