Product Type: Butterfly Valve Product Name: Offset Butterfly Valve Product Details: Place of Origin: China Certification: ISO9001-CE Product Description Product design and scope Design standard:API 609 Length of structure:API 609 Flange connecting end:ASME B16.5/ASME B16.47 Wall thickness:ASME B16.34 Inspection and test:API 598 Pressure and temperature rating:ASME B16.34 Fireproof test:API 607 Product scope:NPS 3″~NPS 80″, CL150~CL1500 Main body material:WCB､LCB､WCC､WC6､WC9､CF8､CF8M､CF3､CF3M､A890 4A etc. Drive device:handle, worm wheel, electric, pneumatic etc. http://www.fagong-valve.com