GRACO Husky 1590 SS 1-1/2" NPT Standard Pump - (SKU: DB4777)The GRACO DB4777 is a Husky 1590 air operated double diaphragm pump with a 1 1 2" NPT standard port size. It features an aluminum center section, BN (Buna N) seats, BN balls, and a BN diaphragm. This pump is designed for reliable, leak free transfer of a wide range of fluids, including antifreeze, detergents, motor oil, and hydraulic fluids, within industrial and maintenance applications. Key Features: Air operated double diaphragm pump Husky 1590 SS,

Easy maintenance and robust construction

The GRACO 24W494 GL-42 is a stand-alone grease injector made from carbon steel

SP/SP/SP/5B is an industrial-grade

Use recommended lubricants and maintenance schedules

This pump is intended for use in demanding industrial and vehicle service applications where chemical resistance and durability are required

Husky 1050P industrial pumps with SS and PT components

UL-listed for fuel) specify 50 psi (0

Regularly inspect and replace worn seals to extend diaphragm life

Inspect and clean the check valve seat before installing new balls

Chemical-resistant materials for durability

Lightweight and robust construction

Bolted design provides even sealing and easy maintenance