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Q
How are J-VALVES valves made?
A----Procurement of castings (according to standards)➱in-factory inspection (according to standards)➱surfacing welding groove➱ultrasonic inspection (according to drawings)➱surfacing and post-weld heat treatment➱finishing processing➱grinding sealing surface➱sealing surface hardness inspection and coloring inspection. -
Q
How are J-VALVES valves inspected?
A----Spectral analysis of materials➱impact test➱tensile test➱hardness test➱ultrasonic flaw detection➱high temperature test➱ultra-low temperature test➱vacuum test➱low leakage test➱pressure test➱paint process inspection -
Q
How are the valves of J-VALVES tested?
A----Fire test➱temperature test➱low leakage test➱pressure seal test➱paint line and paint film thickness test➱valve life test -
Q
Is the delivery time of J-VALVES on time?
A----Strictly follow the delivery time of the contract and deliver on time. -
Q
What is the after-sales service of J-VALVES?
A----Free replacement if there is any quality problem.