Butterfly Type Check Valve
1) Size: 2" - 40"
2) Class: 150lbs - 900lbs
Technical standards:
1) Design and manufacture: API 6D
2) Face-to-face: ANSI B16.10
3) Flange end: ANSI B16.5
4) Inspection and test: API 598
Main materials: Stainless steel, carbon steel, alloy steel
Wenzhou Dongchang International Trade Co., located in wezhou city. We have two large manufactories one is zhejiang dongnan pipe made Co., Ltd, the others is zhejiang zhengnan steel made Co., Ltd. Which have established since1992.
It mainly maunfacture and export stainless steel seamless pipe. We have owned following certificate: ISO9001: 2008, Quality-Assurance System etc. We promise to give you Trust, Satisfaction and Action. It will right that you choose. Believe us also your choice. You will find we suit you.
