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| Type | DOUBLE FLANGE CONCENTRIC BUTTERFLY VALVE | Model | BF2F |
| Params | Size:DN50~DN1800 Basic Design: EN593, API 609 & ISO 5211. End Flange: EN1092 PN6-10-16-25/ANSI150/AS2129 TABLE D-E-F/SABS TABLE 1000/1600 Test and Inspection: EN12266-1, API 598. FACE TO FACE EN558-13/14 ,API609 3C-B Fusion bonded epoxy coated body | Material | Ductile Iron/Cast Iron/stainless steel/Carbon steel/Bronze |
| Applicable Industry | Industry/Construction/Marine/Irrigation | ||
1.Stucture length comply with international standard , facilitate international sales . 2. Body lining of rubber vulcanization ensure a stable driving torque . 3. Ends of Body Rubber vulcanization adopt water line to fulfil various forms of the flange sealing requirements 4. Apply for single standard valve installation . 5.Clients can choose lever , worm gear , pneumatic apparatus , electronic apparatus or combination driving operation according to working requirements . 6. Bolt fittings convenient in maintenancing and replacing . 7. Simple structure , pins connect the stem and plate of valve , steadily positioning . 8.The customers can independently choose the plate ( electroplating , nylon plating coating , epoxy coating ) according to requirements . 9. The shaft seal can be use copper line and O - rings combined sealing , lower part of the stem adopt bearing structure under positioning .
Cutaway View of Concentric Flanged Butterfly Valve

D341X Concentric Flanged Butterfly Valve