Performance Test
Product  testing  laboratory  is  set  up  strictly  according  to the different standard of GB5135.11-2006. All the items,i.e.static seal,compressive strength,withstanding seal, bending moment, rotating bend,  quake, low-temperature resistance, fire resistance,will be waged to test in the laboratory.Each bulk  of  products  is going to  have  the  final  test before they are away from our company in order to our customers receive our products without any flaw.

1 Hydrostatic Strength Test
Pressure tests are conducted to ensure that  PASS  products  satisfy  the  working  pressure requirements for safety and reliability. Products normally tested 4-5times of normal operating pressure.

2 Leak Test
Leak tests are conducted to ensure that PASS products maintain their sealing(gasket)effectiveness at normally twice their working pressure.

3 Bending Test
Products  are  tested  misalignment  angles  and  torsional  stress  to investigate their breaking points and sealing capabilities.

Hydrostatic Test

Coupling Bending Moment Test

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