The GRACO 650234 is a Husky 1050 air-operated double diaphragm pump featuring a polypropylene wetted section, stainless steel center section, polypropylene seats, PTFE balls, and a PTFE overmolded diaphragm. It is designed for reliable, low-maintenance transfer of a wide range of fluids, including those requiring chemical resistance and compatibility with solids up to 3.2 mm (1/8 in).

Key Features:

• Air-operated double diaphragm pump
• Husky 1050
• Polypropylene wetted section, stainless steel center section, polypropylene seats, PTFE balls, PTFE overmolded diaphragm
• Maximum free-flow delivery: 189 l/min (50 gpm)
• Maximum fluid pressure: 7 bar (100 psi) for standard models; specific to this configuration may vary (see documentation)
• Compatible with a wide range of fluids, including chemicals, water, antifreeze, and fuels; handles solids up to 3.2 mm (1/8 in)
• UL listed for certain models; ATEX certification possible depending on configuration and fluid temperature
• Stall-free, low pulsation air valve for smooth and rapid changeover
• Reliable, low-maintenance design
• Handles solids and viscous fluids
• Easy to maintain and repair
• Suitable for continuous duty cycles

Applications:
Industrial fluid transfer, chemical processing, water and antifreeze transfer, fuel dispensing, waste oil handling, and other applications requiring chemical resistance and solids handling.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and compatibility with existing equipment.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate fittings and hoses rated for the intended fluid and pressure
• Follow local safety and environmental regulations
• Check for leaks and proper air supply before operation
• Refer to the specific manual for gearbox and flange installation details
• Regularly inspect diaphragms, balls, and seats for wear
• Replace worn components with genuine GRACO parts
• Keep air supply clean and dry
• Lubricate moving parts as recommended