TRIPLE OFFSET BUTTERFLY VALVES - Frenstar Ltd. butterfly valves supplier, butterfly valves suppliers, butterfly valve suppliers, butterfly valve stockists, butterfly valve distributors, butterfly valve, butterfly valves, valve distributor, valves distributor, valve supplier, valves supplier, valve suppliers, valves suppliers, valve stockists, valves stockists, Intervalve This triple eccentric design is a lower cost, lower torque option, than alternative style metal seated valves. It is low maintenance and offers an extended valve life. The triple offset …