CleaverBrooks CFC-1000 - Page 264

V4730C/V8730C/V4734C 1:1 Gas/Air Servo Regulated Gas Valves
12 EN2R-9074 0612R1-NE
Fig. 14: Capacity curves for V4734C/V8734C and VMU
680 Venturi, 1-1/4 in. size.
Fig. 13: Capacity curves for V4730C/V8730C and VMU 500 Venturi, 1-1/4 in. size.