BUTTERFLY VALVES

RUBBER LINED D/F BUTTERFLY VALVE HYDRAULICALLY OPERATED PUMP DISCHARGE VALVE SALIENT FEATURES OF FLANGED BUTTERFLY VALVES : l Sturdy & robust construction. l Disc assembly perfectly centered & secured in valve body bore. l Seat Ring cone finished in-situ. l Flow through disc ensuringminimumpressure drop (larger sizes). l Secured Disc-Shaft Connection. l Cast & Fabricated constructions possible. l Compliance with: IS 13095, AWWA C504, BS EN 593 standards. l Manual, Electrical, Pneumatic & Electro-Hydraulic Operators. l NDE side thrust arrangement. l Shaft Seals comprising of elastomeric 'O' rings & 'Lip seals'. l Disc Seal secured in - betweenmachined grooves in Disc & Clamping Ringmaking it completely washout-proof. l Perfection of alignment of components, fine finishing of rubbing surfaces, controlled seal dimensions ensure very smooth operation & less operating torque requirement. l Electrical / Pneumatic actuator drives optionally available. l Accessories like Head-stock & Extn. Shafting, Disc Locking, optionally available. l l Disc locking arrangement optionally available. l Wide options in : (A) Materials of construction, (B) End Connections, (C) Face to face dimns. l Shaft Bearings not wetted by fluid handled ensuring low frictional torque & long bearing life. l Concentric, Single, Duo & Tri-eccentric constructions offered for appropriate applications. l Endurance Life Cycle Testing Carried out for prototype sample sizes as per AWWA C-504 covering full range of manufacturing. l Installation with Vertical or Horizontal shaft possible. Flow through disc ensuring minimum pressure drop. SPECIAL FEATURES : FLANGED BUTTERFLY VALVES