GA Figure 931, VALVE AND EQUIPMENT CONSULTANTS, INC.

Master Stocking Distributor &Valve Automation Shop

sales@valveandequipment.com (281) 324-1500

GA Figure 931

Air & Vacuum

Size: 3" to 12"
Type: Air Valve

VAG GA Industries Figure 931-D is a Figure 930 Air & Vacuum Valve and a 'surge check' valve factory assembled and tested as a unit.This valve system vents air during filling and admits air during draining.Pus, the surge check's 'slow closing' adjustable regulated exhaust feature minimizes surges, shock and valve damage caused by sudden air valve closure due to column separation/rejoining. __Figure 931-DT is standard with NPT outlet, optional cowl.The Figure 931-DC is standard with an outlet cowl while the Figure 931-DJ has a Class 125 flanged outlet.

Characteristics

Compact and light weight __Full port orifice for maximum air outflow and inflow __Utilizes “kinetic” operating principle, designed not to blow shut __Rugged iron body and cover __Corrosion resistant Type 316 stainless steel float __Tight sealing and easily replaceable rubber seat

Material

Body & Cover: Cast Iron, ASTM A126 Class B __Float: Stainless Steel, Type 316 __Replaceable Seat: Buna-N __External Fasteners: Steel, A307, Zinc Plated

Corrosion Protection

Standard: Uncoated internal, external coated with enamel primer, minimum 2 mil DFT __Optional: 316 SS external fasteners and internal and external NSF-61 certified 2-part epoxy, minimum 6 mil DFT