Johnson Controls VG2231VM294NGGA Valve Assembly 321894-709 With a versatile pressure range
Baker’s notes & crumb story
Description
With a versatile pressure range of 50 to 450 psi and a 1/4" external flare connector
Optimized for Hydronic Systems: Designed for variable flow applications
Does this valve require a standing pilot
you ensure that the thermal expansion and contraction cycles of the unit do not compromise the stability of the venting or motor mounts over time
Johnson Controls VG2231VM294NGGA Valve Assembly 321894-709 With a versatile pressure rangeThe Johnson Controls VG2231VM294NGGA is a heavy duty 4 inch 2 way normally closed globe valve designed for precise flow control in demanding hydronic systems. Featuring an ANSI Class 125 flat faced flange and a rugged cast iron body with brass trim, this assembly handles high capacity applications requiring a 150 Cv rating. The modified linear flow characteristic ensures stable modulation, while the 3 8 inch threaded stem provides reliable mechanical