Quality Control System of NSW Company Valve Manufacturer
The valves produced by Newsway Valve Company strictly follow the ISO9001 quality control system to control the quality of the valves throughout the entire process to ensure that the products are 100% qualified. We will often audit our suppliers to ensure that the quality of the original materials is qualified, our have 20000 ㎡ workshops.
Ball Valves Factory
Gate Valves Factory
Check Valves Factory
Globe Valves Factory
Butterfly Valves Factory
ESDV Factory
DBB Plug Valves Factory
Each of our valves from NSW valves factories will have its own traceability mark to confirm the traceability of the product.
Valves technical support from factory:
1. Design according to Valve Standard (API, ASME, DIN, JIS) and customer requirments.
2. Your perfect selection consultant of valves (Ball Valves, Gate Valves, Check Valves, Globe Valves, Butterfly Valves, Plug Valves, ESDV Valves, Strainer, etc.)
3. Professional valve data calculation from valve engineers
4. Free valve drawings (2D and 3D)
5. Suggestions on the use of valves in various media, working conditions and pipelines
6. Help you repair and replace valves
How to Control Valve Quality Quality:
It is very important to control valves quality before left valves factory, we can follow bellow steps to control our valves quality.
Incoming raw material:
1. Visual inspection of castings: After the castings arrive at the factory, visually inspect the castings according to the MSS-SP-55 standard and make records to confirm that the castings have no quality problems before they can be put into storage. For valve castings, we will conduct heat treatment check and solution treatment check to ensure the performance of product castings.
2. Valve Wall thickness test: Castings are imported into the factory, QC will test the wall thickness of the valve body, and it can be put into storage after being qualified.
3. Raw material performance analysis: the incoming materials are tested for chemical elements and physical properties, and records are made, and then they can be put into storage after they are qualified.
4. NDT test (PT, RT, UT, MT, optional according to customer requirements)
Valves Production inspection:
1. Machining dimension inspection: QC checks and records the finished size according to the production drawings, and can proceed to the next step after confirming that it is qualified.
2. Product performance inspection: After the product is assembled, QC will test and record the product performance, and then proceed to the next step after confirming that it is qualified.
3. Valve dimension inspection: QC will inspect the valve size according to the contract drawings, and proceed to the next step after passing the test.
4. Valve sealing performance test: QC conducts hydraulic test and air pressure test on the strength of the valve, seat seal, and upper seal according to API598 standards.
Final Inspection
1. Paint inspection: After QC confirms that all the information is qualified, paint can be carried out, and the finished paint can be inspected.
2. Packaging inspection: Make sure that the product is firmly placed in the export wooden box (plywood wooden box, fumigated wooden box), and take measures to prevent moisture and dispersion.
Quality and customers are the foundation of the company's survival. Newsway Valve Company will continue to update and improve the quality of our products and keep pace with the world.
