|  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 | |
Pneumatic Butterfly Valve 
1)Materials: 
Body: Cast iron, ductile iron, 
Disc: Ductile iron, stainless steel 
Sealed seat: EPDM 
Stem: 2Cr13 
Suitable temperature: ≤ 80 C 
Suitable medium: Water, air etc. 
Pressure rating: PN (MPa) 1.0, 1.6 
2)Design and manufacture: GB12238 
3)Face to face dimension: GB12221 (Series20) 
4)Flange connection: GB4216, ISO7005, DIN2501, GBFF17241 
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