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Hot Water Equipment Relief Valve, AL-72F-95 Series

Hot Water Equipment Relief Valve, AL-72F-95 Series

When attached to a piping system of a hot water heat exchanger, if there is a rise or abnormality in the system due to water expansion, waster is automatically discharged to ensure the safety of equipment.

· Because the valve uses a diaphragm with a large effective pressure-bearing area in pressure-bearing parts, there is significant ejection volume when the valve first operates, and ejection start and ejection stop pressures are stable.
· Water-contacting parts and mechanical parts are separated by a diaphragm for superior hygiene.
· Hand lever enables actuation, level checking and drainage from the whole system to be easily performed.
· Synthetic rubber with abundant heat and water resistance is used for the diaphragm, so durability is excellent.
· Piping can be performed easily using cap nuts due to the fact that parallel threads are used in outlet connections in the AL-72F model relief valve.
· The AL-52FS relief valve is suitable for electric water heaters because stainless steel materials are used in the valve seat, which provides the valve with superior corrosion resistance.


Japanese Only

Part Number

Configured Part Number is shown.


Part Number
Part NumberVolume DiscountDays to Ship


  1. 1

Basic Information

Regulating Valve / Safety Valve Type Relief Valves for Hot Water Equipments Applicable Fluid Water Max. Applicable Pressure(MPa) 0.1 or Less
Max. Fluid Temperature(℃) 100 Connection Type Different Diameter Connection Supply Side, Screw Connection Types R
Supply Side, Nominal Designation of Piping Thread Denomination B(Denomination A) 3/4B(20A) Control Side, Thread Connection Type G Control Side Naminal Pipe Threads B name (A name) 1/2B(15A)
Maximum Applicable Pressure Data 0.095

Please check the type/dimensions/specifications of the part AL-72F-95-20A in the Hot Water Equipment Relief Valve, AL-72F-95 Series series.

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