Marsh Bellofram
Newell, WV 26050
Nov 03, 2003 Type 79 relay uses rolling-diaphragm technology and pilot pressure to control output pressure over range of flow and supply variations. Supply and output ports are available in 3/8, ½, ¾, and 1 in. NPT. Pilot and output gauge ports are ¼ in. NPT. Low-bleed and non-relieving versions are available, as well as tapped exhaust, supply gauge port, and external corrosive-resistant epoxy paint. T79 can be used with supplies up to 400 psig and output range of 0-200 psig.