The Mepco (Dunham Bush) series 740 manual radiator valve with one-piece ring around heavy-duty coiled spring double is applicable to all types of steam heating and steam process equipment. This design is referred to as “packless” due to the removal of valve packing that is susceptible to corrosion in steam systems.
Available in sizes 1/2”, 3/4", 1", 1-1/4", 1-1/2"
Packless valve for use in steam and vacuum applicationn
Mepco (Dunham Bush) 740A Series Packless Radiator Valve Specification