Gas Pressure Regulator, Pilot Operated for Medium & Low Pressure Applications

Pilot-acting gas pressure regulator for medium and low pressure. Aperval is a regulator that is open on damage, i.e. it is open under the following conditions: damage to the main diaphragm; damage to the pilot diaphragm; damage to the pilot valve seat; damage in the pilot supply system. These regulators are suitable for all purified and non-aggressive gases.