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Zhejiang Dunyun Industrial Co.,Ltd
Address: No. 58th Yanbei East Road, Diankou Town, Zhuji, Zhejiang Province
Tel: +86-575-87618833
Fax: +86-575-87652303
Mob: +8613735312870
E-mail:sales2@dunyunvalve.com
News
Process Flow Of Copper Valves
Nov 23, 2018

1. Product Design

2. Mold Making

3. Valve casting, forging

(1) Sand casting: The earliest production mode in the valve field, because the use of casting type does not have enough pressure to cause the valve produced by this process is easy to produce sand eyes resulting in product leakage induced a series of problems.

(2) Hot forging forging: Through the forging molding valve body will not have trachoma, the appearance is more exquisite.

1. Sand Blasting Treatment

2. Metalworking

3. Assembly of Accessories

4. Product test pressure 

5. Packaging Storage