The GRACO DBP377 Husky 1590 is a robust air-operated double diaphragm (AODD) pump designed for demanding fluid transfer applications. It features a 316 stainless steel fluid section for corrosion resistance, an aluminum air motor for lightweight durability, a standard air valve, and Buna-N ball and diaphragm for chemical compatibility. This pump is engineered for reliable, high-flow transfer of fluids in industrial environments.
Key Features:
Air-Operated Double Diaphragm (AODD) Pump
Husky 1590, 1-1/2 in. (38.1 mm) port size
316 Stainless Steel fluid section, Aluminum air motor, Buna-N ball and diaphragm
100 gpm (378.5 lpm)
120 psi (8.4 bar, 0.84 MPa)
Designed for industrial fluid transfer; compatible with a wide range of fluids, especially those requiring corrosion resistance
Lube-free operation
Epoxy-coated air section for tough environments
Easy-to-service air valve and ball checks
High flow in a compact, portable size
Reliable, robust construction for heavy-duty use
Applications: Ideal for transferring fluids in industrial, mining, chemical, and agricultural settings where corrosion resistance and high flow rates are required.
Installation Notes:
Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
Ensure proper alignment of inlet and outlet ports
Use appropriate thread sealant for NPT or BSP connections
Check air supply for correct pressure and cleanliness
Inspect diaphragms and balls for wear before installation
Follow all safety instructions in the manual
Regularly inspect diaphragms, balls, and seals for wear or damage
Lubricate actuator pistons and O-rings as specified in the manual
Keep air section clean and free from debris
Replace worn parts with genuine GRACO components
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