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The 1240 Packless Valve is applicable to both hydronic and steam heating systems from 25" Hg vacuum to 125 PSI. It can also be applied to water systems up to 125 PSI. Our highest quality valve, the 1240 has a unique design utilizing primary and secondary levers of high tensile non-corrosive alloys to insure trouble free operation. The 1240 Packless Valve opens and closes in less than one turn and is equipped with an indicating dial. Available in two patterns (AP and ST); sizes 1/2" and 3/4".
The 740A Radiator Valve is applicable to water systems as well as steam at operating pressures from 25" Hg to 150 PSI. This radiator valve has a one piece formed solid packing held in place by a heavy coil spring to assure a tight seal around the valve stem. Frequently referred to in the industry as "packless", the 740A opens and closes in less than one turn and is equipped with "On" and "Off" dial arrows and easy to use dial divisions for adjustment. Available in four patterns (AP, RH, LH, ST); sizes 1/2" through 1-1/2".
The 600A Radiator Valve is applicable for steam or water systems up to 125 PSI operating pressures. Proven in over 40 years of service, the 600A is a best buy for quality at an inexpensive price. A heavy packing nut and a one piece formed solid packing maintain a tight seal around the valve stem. The 600A opens and closes without binding, allowing for exceptionally free drainage of water. Available in two patterns (AP & ST); size 2"