The 12 GAF 16 and larger adjuster stems are furnished with a lock nut for positive fixing of the valve position. The entire adjusting assembly is furnished with a cap with an O-ring to prevent tampering and leakage.
Pyronics standard four bolt flanges are used on the down stream side of all adjustable orifices. These flanges are equipped with 1/8” NPT tappings for pressure measurements. A wide variety of inlet and outlet pipe sizes are available.
Capacities listed in the dimension table are for 0.60 specific gravity gas. Conversion of these capacities to other gravities or pressure drops is in accordance to standard formula.
Note: All dimensions are in inches.
Ordering Information
