High Performance 2-OFFSET BUTTERFLY VALVE
Name: Double eccentric butterfly valveAnother name: High performance butterfly valveApplicable: Water plant, power plant, steel plant smelting, chemical industryFeatures: Longer life and good stability
Features:
Leflow is providing high quality Double-offset butterfly valve. We produce double eccentric butterfly valves with diameters ranging from DN100 to DN1200.
Double offset uses two separate offsets to achieve a bubble-tight. One of the offsets is the location of the valve shaft relative to the centerline of the bore. Another offset is between the centerline of the disc/seat sealing surface and the shaft.
This structure make the valve has following benefits:1. Double Eccentric structure ensures low operating torques with zero leakage performance;2. Inner and outer surfaces of the valve are coated with fusion bonded epoxy,and Its thickness can be adjustable;3. Low moments are obtained by decreasing the friction through self-lubricating bushings;4. Can bear high stretching stresses on the pipeline through the ductile iron body and disc;5. High impact resistance.6. Pressure loss is at minimum level by double shaft design.7. Sealing gaskets fasten by bolt can be replaced at field condition;8. With the o-rings on the bearing bushings, disc pin holes are protected against corrosion (Dry shaft);9. Retaining ring is assembled to the disc with imbus bolts, the disc is protected against corrosion by placing o-rings under the bolts.10. Stainless steel welding seat can reach better sealing
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