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drainage pipe pressure test in japan

Min Order Quantity: 1 meter

Payment Terms: T/T or L/C

Delivery Time: about 25-30 days

Despriction: How to Test Drain Pipes | HunkerOpen the control valve and allow the pressure to drop so the manometer reads 3.93 inches. Close the control valve again and leave the pipe for five minutes. If after this time the pressure in the pipe has not dropped below 2.95 inches, the pipe is sealed correctly. If the pipe fails this air test, run a water pressure test to check its seals again.

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