Quality Control Process
Bellows design
According to the United States EJMA design specifications and national industry standards JB/T6169 and customer requirements for product design
Re-inspection of raw materials
Raw material metal element content test, raw material surface hardness test, dimensional inspection, surface quality inspection
TUV welding process qualification, ASME welder certificate, pressure pipe component production license, ISO9001 quality system certification
Certificate
Certificate
Certificate
Certificate
Product delivery inspection
Stiffness test
vacuum leak detection
strength test
Appearance inspection
Tightness test
Helium Mass Spectrometry Leak Detection
Product Quality Verification
Fatigue life test of all-directional displacement under pressure, temperature and impact load; simulated fatigue life test of metal hose under pressure; low temperature test of products. Salt spray corrosion test, product burst test
Test bench for fatigue life without pressure
Compressed, axial, radial and angular composite displacement test bench
Salt spray tester
Product Blasting Test
Metal hose pressure life test bench
Ultra-low temperature test
Product vibration test
Radial full-frequency vibration test
Axial full-frequency vibration test