For the skilled professionals on your list, give the Motor Guard AAV4059 Air Adjusting Valve. Proven to provide superior performance versus more commonly available gate valves, the AAV4059 includes an oversized, knurled adjustment knob that is designed for ease of use while wearing gloves and an easy-to-read, dual scale pressure gauge that features a solvent-proof glass lens.
• Inlet Port Size: 1/4 NPS (Male)
• Outlet Port Size: 1/4 NPT (Female Swivel)
• Maximum Inlet Pressure: 160 PSI
• Outlet Pressure Range: 0-160 PSI
• Operating Temperature Range: 40-180 ºF
• Tapered Needle Valve for smooth adjustment
• Oversized, knurled adjustment knob
• Dual-scale pressure gauge with glass lens
• Durable construction
• Backed by Motor Guard’s 1-year limited warranty
See your local jobber for pricing.