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valve manufacturing process - valve manufacturing process process

release date: 2016-02-27 click: 1784 times

valve production process - valve manufacturing process:

1. the casting of valve foundry process valve is an important part of valve manufacturing process.

no splash,

it is well formed, because of argon protection and high quality of welding layer, it is a good example of valve industry application

2. inspection personnel shall check all sizes of the moulding.

3. the worker has cut off the blank.

4. sand blasting workers to spray sand on the blank.

5. inspection personnel shall conduct surface treatment inspection after sandblasting.

6. the worker processes the blank machining.

7. valve body seal thread processing: the staff shall inspect the products after the product is processed by the staff.

8. valve body connection thread processing.

9. middle hole machining.

10. inspector general inspection.

11. qualified semi-finished products are sent to semi-finished warehouses.

12. inspection of various accessories (ball, stem, seal seat).

13. product assembly in the general assembly workshop -- the assembly line inspection personnel shall inspect the products.

14. after the assembly, the products are under pressure test and anti-rust - spray paint drying to the next procedure.

15. the assembly shop is packaging the products

16. the packaging line inspector shall inspect the sealing, appearance and torsion of the product.

unqualified products are not allowed to be packed

17. qualified products are packed and sent to the finished warehouse.

18. all inspection records shall be classified and stored in the computer for immediate enquiry.

19. qualified products are sent home and abroad through containers.

the following is the flow chart of product production and inspection: