Inquiry (采购产品): butterfly valves Please quote a butterfly valve with the following characteristic.30" diameter/300#RF fire-proof, design code API-6D, actuator plug-spring, inst. air supply 100psig, position interruptors, positioner indicators, solenoids,air back-up tank electrical clasification 4X and 7 Material specification meet with NACE MR-01-75 last edition. Valve Body and Seat The valve body shall be one piece cast or forged. Welded valve bodies are not permitted without 100% weld x-ray. The valve seat shall be integral with the valve body. Stellite overlay shall be applied on the seating surface of the valve body. Plated carbon steel seating surfaces are not allowed. The valve seat shall be machined together with the valve body. The valve seat shall be an inclined conical shape specifically designed for non-rubbing, non-jamming, zero leakage, bi-directional shut-off. The valve body shall contain valve position indicator bosses on the bracket mounting flange. The indicator bosses shall be integral with the body and, when aligned with the position indicator dimple on the shaft, shall provide positive disc position as either open or closed. **** Hidden Message ***** Eduardo Rosales Prol. Miguel Allende #39 Tultitlan Edo. de Mexico Mexico City549000 MEX Company: FLENCO de Mexico Phone: (55)5888 2080 Fax: (55)5888 2513 E-mail: eduardo.rosales@flenco.it **** Hidden Message ***** eduardo.rosales@flenco.it
