Graco Husky 307 Air-Operated Double Diaphragm Pump, 3/8" NPT, Acetal/PTFE

Graco Husky 307 Air-Operated Double Diaphragm Pump, 3/8" NPT, Acetal/PTFE

A compact, dependable transfer pump for inks, stains, dyes, and other low-viscosity fluids. The Graco Husky 307 D31211 pairs a groundable acetal fluid section with PTFE balls and diaphragms for broad chemical compatibility. Its stall-free, low-pulsation air valve delivers smooth, quick changeovers, and the pump runs without lubricated air.

Key Features

• Groundable acetal fluid section: Fully groundable acetal body for use with solvent-based and flammable materials
• PTFE wetted parts: PTFE balls and diaphragm handle a wide range of chemicals
• Stall-free air valve: Low-pulsation design for smooth, rapid changeover
• Runs on low air pressure: Operates on as little as 20 psi
• No lubrication needed: Air valve runs on unlubricated compressed air
• Easy service: Simple assembly and disassembly, with easy-to-service air valve and ball checks
• Factory tested: Every pump is tested before shipping
• Split manifold option: Pump two fluids at once without mixing

Specifications

• Series: Husky 307
• Type: Air-Operated Double Diaphragm Pump
• Fluid Section: Acetal
• Center Section: Polypropylene
• Seats: Acetal
• Balls: PTFE
• Diaphragm: PTFE
• Fluid Inlet/Outlet: 3/8" NPT (female), end porting
• Air Inlet: 1/4" NPT (female)
• Air Exhaust: 3/8" NPT (female)
• Maximum Flow: Up to 7 gpm (26.5 lpm)
• Maximum Working Pressure: 100 psi (7 bar)
• Maximum Fluid Temperature: 180°F (82°C)

Parts Manual