The GRACO 222200 is a back pressure valve designed for use in air-assisted circulating systems to control back pressure to the gun(s) and maintain proper pressure for circulation. It features a carbide needle and seat for durability and is constructed with wetted parts including PTFE, CU-75, 304 & 316 Stainless Steel, 17-7 ph Stainless Steel, and Tungsten Carbide.

Key Features:

• Back Pressure Valve
• 222200, 3/8" (F) x 3/8" (F)
• Wetted parts: PTFE, CU-75, 304 & 316 Stainless Steel, 17-7 ph Stainless Steel, Tungsten Carbide
• 4.5 gpm (17 lpm) at 135 centipoise fluid viscosity
• Maximum fluid inlet pressure: 7250 psi (500 bar); Back pressure range: 150–5000 psi (10–350 bar)
• For use in air-assisted circulating systems
• High-pressure capability
• Robust carbide needle and seat for wear resistance
• Reliable pressure control for circulation systems
• Easy to maintain with standard tools

Applications:
Used in air-assisted circulating systems to regulate back pressure to spray guns and maintain consistent pressure for fluid circulation.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment.
• Torque to 30–35 ft-lb (41–47 N·m)
• Install with larger opening facing up
• Lubricate threads before installation
• Apply thread lubricant as recommended