Leakage butterfly valve BL Used as an economical shut-off device for separation of incompatible media in CIP applications — Installation in horizontal pipelines without height difference — All other constructional details are the same as with the butterfly valve — 2-disk concept both disks are switched by a common device and a single actuator — Safety chamber between the disks is equipped with 2 pneumatic flushing valves for complete drainage of the leakage chamber — Function: leakage butterfly valve NC in closed position, flushing valves NO in open position With activation of air pressure, first the flushing valves close, then the leakage butterfly valve goes into open position — Seal material EPDM / FDA 21 CFR Part 177.2600 Optionally HNBR, FKM, VMQ — Actuator maintenance-free, designed to 1,000,000 cycles
Технические характеристики
CharacteristicsTypediscOperationpneumaticFunctionmix-proof, shut-offMediafor water, for liquid food products and beverages, for chemical productsBodydouble-flange, threaded, waferApplicationsfor the food industry, for pipeworkDN
Max.: 150 mm (5.906 in)
Min.: 25 mm (0.984 in)
Pressure
Max.: 10 bar (145 psi)
Min.: 0 bar (0 psi)
Temperature
130 °C (266 °F)
