The GRACO SE2B.1688 is a sanitary diaphragm pump designed for demanding applications in food, beverage, personal care, and pharmaceutical industries. It features a seal-less, self-priming design with a wetted section constructed from high-grade stainless steel, ensuring compatibility with a wide range of materials and cleaning chemicals. This pump is engineered for reliable, hygienic fluid transfer in process-critical environments.

Key Features:

• Sanitary Diaphragm Pump
• SE2B.1688 (likely 2" size, similar to SE2B.1814 and SE2B.0086)
• 316L stainless steel wetted section, stainless steel center and seat, PTFE or Santoprene diaphragm and ball, EPDM O-rings
• Up to 150 gpm (567 lpm) (based on similar models)
• Up to 100 psi (6.89 bar) (based on similar models)
• Food, personal care, pharmaceutical, and other sanitary applications
• High Sanitation (32 Ra) (based on similar models)
• Seal-less design eliminates rotary shaft seal issues
• Handles solids up to 3.8" (96.5 mm) in diameter
• Patented air charge reduces pulsation for smooth flow
• Stall capability under pressure for system safety
• Easy maintenance with single-piece manifolds reducing tri-clamps and gaskets
• Multiple internal elastomers for chemical compatibility

Applications:
Ideal for in-process applications, filling systems, and sanitary/hygienic transfer in food, beverage, personal care, and pharmaceutical industries.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compliance with industry standards.
• Ensure proper alignment of inlet and outlet connections
• Use recommended gaskets and clamps for sanitary fittings
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect diaphragms and O-rings for wear and replace as needed
• Perform routine cleaning and maintenance to maintain hygiene standards