Zaes ® needle valve manifolds made out from rolled bar is the best choice for sealing and
venting lavoles of instrumentation.
It has three valves intended for balanced systems with instruments for measuring differential pressure, two valves for isolation (one of the line of high pressure and / or temperature and one for low) and a third that makes BY PASS and allows the correct calibration of the instrument.
High quality packing to ensure complete sealing of the circuit and quarterly Valve isolated for long durability and maintenance savings.