These fittings protect your system by preventing sudden shocks. On start-up, they control the pressure increase in the downstream circuit; this helps prevent the risk of industrial accidents.
Features/Benefits: Protection of Equipment & Personnel • Prevents the risk of damage after any stoppage which requires the system to be vented • Returns the control valve to its initial position in total safety • Adjustment of the pressurisation speed • Protects the adjustment mechanism using a recessed adjustment screw Mounted on FRL • Models 7860 and 7861: yellow identification washer • Protection for the whole system • Simultaneous pressurisation speed of the whole system Mounted on Control Valve • Models 7870 and 7871: black identification washer • Protection of individual circuits • Mounted on the control valve, it optimises the pressurisation speed of a specific cylinder