CleaverBrooks CFC-500 Operation, Service And Parts Manual page 258

V4730C/V8730C/V4734C 1:1 Gas/Air Servo Regulated Gas Valves
Fig. 5: Venturi 150-335 kW, with 1/2 in. to 1 in. gas valves and valve shutoff kit installed dimensions in in. (mm). See Table 3 for
dimensions
Table 3: Dimensions in inches (millimeters)
Valve Size in inches A B C D
1/2, 3/4 6 - 1/4 (159) 15 - 15/16 (405) 2 - 15/16 (75) 7 -7 1/2 (191)
1 8 - 5/16 (211)
6 EN2R-9074 0612R1-NE