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Relief Valve PL-4 set at 3.5 PSI

Relief Valve PL-4 set at 3.5 PSI

Relief Valve PL-4 set at 4.5 PSI

Relief Valve PL-4 set at 4.5 PSI

Relief Valve PL-4 set at 4.0 PSI

The Sutorbilt weight loaded relief valve offers inexpensive relief capacity in a sturdy, trouble free design. Removable weights have been carefully designed to permit accurate pressure settings in ½ PSI increments.
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SKU
400-PL-4-040
Availability: Typically in stock.
Relief Valve PL-4" set at 4.0 PSI

Connection: 4" NPT

Manufacturer Part Number: 909831040402

The operation of the relief valve is simple. As the service line air pressure reaches pressure setting, the weight loaded cap is forced upwards off the valve seat. As pressure increases, the cap rises to expose the discharge ports. The valve automatically reseats itself as line pressure is reduced.

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