The relief valve protects the system by limiting the pressure in the medium pressure hose if the regulator delivers excessive pressure.
 
This spare part with part number 96724-51 is intended for repair or maintenance of Interspiro equipment. It is supplied to support efficient service work when only specific components are needed outside of a full service kit.
 
It is intended to be used by certified service technicians performing routine maintenance, replacements, or corrective service.