|  Company Info | |
| Company Name | Zhangsheng Valve Co., Ltd. | 
| Country/Territory: | Zhejiang China | 
| Business Type: | | 1,2,9 | 
| Number of Employees: | |
| Main Products: 4" valve panel ball valve ball valve gear ball valve ways valve | |
Flexible butterfly valve(flange type) 
Specifications: 
1) Nominal pressure: 0.6Mpa/1.0MPa/1.6MPa 
2) Size: DN50-DN1200 
3) Temperature: -29 - 425 (WCB) 
4) Suitable medium: Water, oil, vapor etc. 
5) Body: Cast steel: Carbon steel /stainless steel 
6) Disc: Carbon steel/ stainless steel 
7) Stem material: Stainless steel/Cr. Mo. Steel/2Cr13 
8) Extension tube: Carbon steel/stainless steel 
9) Packing: Graphite 
10) Operation: Lever, Worm gear, pneumatic, etc