They are inserted in branches of the circuit where the free flow
in one direction is allowed and the return flow in the opposite
direction is not possible.
The single-acting valves (in line) are of ball type with alignment
guide made of composite high resistance material which allows
a total passage and a great breaking strength and wear resistance.
All this has been confirmed by numerous tests.
They are available with two different calibrations of the opening
pressure 0,35 bar and 4.5 bar on request. Maximum working pressure 400 bar. Threaded connection 1/8" up to 1". Available in Stainless steel AISI316 code FT 2260/6.