RA 2000 valves are fitted with a packing gland assembly that is replaceable while the system is in operation. The packing gland is fitted with a grease cup to ensure the o-ring packing is lubricated for life
Sturdy EPDM rubber valve disc provides a positive seal against the valve seat at differential pressures of up to 15 PSI in hot water heating systems, while 15psig for low pressure steam systems
Plastic cap supplied to protect the valve pushpin can provide manual control of the valve during installation. If manual operation is required, a separate hand knob is available as an accessory
Valves remain normally open with no operator mounted
