Pressure Testing

No matter how sophisticated the initial manufacturing process or how perfect the theoretical design, an objective and rigorous standard is ultimately needed to verify its results. Pressure testing plays this role of the "ultimate judge." It is the final and most important quality checkpoint that a product must pass before leaving the production line and being delivered to the customer. The essence of this test is to actively and intentionally apply "destructive" stress to the product in a controlled and safe environment to verify that it will not fail or deteriorate within its normal service life.

We don't just simulate the product's nominal operating pressure. To ensure sufficient safety margins and expose potential weaknesses, we apply test pressures far exceeding the product's rated operating pressure, sometimes even several times higher, and maintain this pressure for a sufficiently long time. The test medium may be water, oil, or compressed air, depending on the product application. Throughout the testing process, the product is under complete monitoring. High-sensitivity pressure sensors continuously track minute pressure fluctuations within the system to detect any possible signs of leakage; simultaneously, optical detection, acoustic detection, or direct visual inspection may be used to observe for any minute deformation, expansion, or leakage in the housing. A product that passes the pressure test 100% signifies that it has directly proven itself: its structural strength is sufficient to withstand overload under abnormal operating conditions; all its welded joints, sealing interfaces, and mechanical connections maintain perfect integrity under high pressure; and there are no internal defects that could cause leakage. Only products that successfully pass this final test can be approved for packaging and shipment. Therefore, pressure testing is not merely an inspection step; it is the final fulfillment of our product quality commitment, a solemn guarantee that instills confidence in customers and ensures the safe operation of end systems. It transforms the rigorous manufacturing process into a tangible and visible safety guarantee.