As an experienced valve supplier in China, Ruitong (RTV) has won reliance from many customers for its stable quality and superior performance of valves.
We are pleased to take you on a virtual tour of Ruitong (RTV)'s quality control. Following photos show how our inspection department and technical department work on valves, including many steps involved in the manufacturing, testing and package.
Out team attaches high importance to quality. We have whole complete strict inspection steps, which include from raw material, machining process, hydraulic test, painting, packing to shipment. Original inspection records are preserved, Cert. – 3.1 is provided with every valve. Inspectors are responsible for their inspected valves. For qualified valves, they stamp steel seal on bonnet flange surface.
2. NDT tests and material testing
ultrasonic inspection Material testing standing PMI inspection
3. Dimension control
RTV face to face RTV Sealing protrusion size inspection RTV Plug valve connection flange
RTV Plug valve face to face Welding end inspection Socket welding inner hole detection
4. Hydraulic test
hydraulic test Gate valve housing and sealing inspection Check valve gas seal detection
Strength and sealing testing of plug valve housing Strength and sealing testing of globe valve housing Ball valve shell strength and sealing testing
5. Painting
High pressure self sealing gate valve spray painting Spray painting of high-pressure self sealing check valve API600 gate valve epoxy paint spraying
Forged steel ball valve spray painting API609 Butterfly Valve Painting Gate valve RL9006 paint spraying
6. Package
