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Install required bleed-type master air valve and air regulator
Pneumatic operation for safe use in hazardous environments
Low/Medium Pressure (as referenced in GRACO documentation for swivel and seal replacement kits)
Verify current settings before operation
Viega ProPress 4 in. 90° XL Elbow, 316 Stainless Steel (SKU: 80440) Install required bleed-type master airViega ProPress 4 in. 90 XL Elbow, 316 Stainless Steel, SKU 80440 This Viega ProPress fitting is a 4 ", 90 XL elbow made from durable 316 stainless steel, designed for press connection systems. It is engineered to provide a reliable, corrosion resistant joint for piping systems requiring high strength and longevity. Material: Constructed from high grade 316 stainless steel for superior corrosion resistance and durability. Size and Angle: 4 " nominal
