Description
The GRACO SP3B.0021 is a sanitary air-operated double diaphragm pump designed for high sanitation applications. It features a stainless steel fluid section and is intended for use in food, beverage, pharmaceutical, and personal care industries where hygiene and reliability are critical.
Key Features:
- Pneumatic Diaphragm Pump
- SaniForce 2.0 HS-Series, 3″ (76.2 mm) inlet/outlet
- Fluid section: Sanitary stainless steel (316L); Center section: Stainless steel or polypropylene (varies by model); Diaphragms: Santoprene; Seats: Stainless steel (316L); Balls: Santoprene; Manifold O-Rings: EPDM
- Up to 250 gpm (946 lpm) (varies by model; for SP3B.0021, confirm with manufacturer as this is a close variant)
- Up to 100 psi (6.9 bar) output (varies by model; confirm for SP3B.0021)
- Compatible with edible oils, food, personal care products, and other sanitary fluids
- High Sanitation (32 Ra) certification required for some models
- Single piece manifolds reduce tri-clamps and gaskets for easier cleaning and maintenance
- Handles solids up to 3.8″ (96.5 mm) in diameter
- Reliable, robust construction for demanding environments
- Easy to maintain with accessible components
Applications:
Used in food and beverage processing, pharmaceutical manufacturing, personal care product handling, and other industries requiring high sanitation standards.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, reliability, and compliance with industry standards.
- Ensure all connections are secure and use appropriate sanitary fittings (tri-clamp flanges)
- Follow manufacturer guidelines for air supply and pressure settings
- Regularly inspect diaphragms, balls, and seals for wear and replace as needed
- Maintain cleanliness to prevent contamination in sanitary applications






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