GRACO Husky 1590 Aluminum (1-1/2" NPT) Remote Pump, Aluminum Center Section, Polypropylene Seats, Buna-N Balls & Buna-N Diaphragm - (SKU: DC3977)The GRACO DC3977 is an air operated double diaphragm pump with an aluminum center section, polypropylene seats, Buna N balls, and Buna N diaphragms. It is designed for industrial fluid transfer applications, offering robust construction and compatibility with a wide range of fluids. Key Features: Air operated double diaphragm pump Husky 1590, 1 1 2" NPT Aluminum center section, polypropylene seats, Buna N balls, Buna N diaphragms Maximum flow rate:

Apply lithium grease and anaerobic pipe thread sealant as specified

Used for spraying a variety of fluids and viscous materials in commercial and industrial settings

but it is intended to facilitate proper spacing and secure fitment of wet cup components within GRACO systems

Recommended fluid type: Antifreeze

Minimum: 5

Reliability: Ensures long-lasting performance in harsh industrial environments

Buna-N (nitrile rubber) diaphragm

Adjust pump output volume by adding or removing spacers as needed (do not use more than two spacers)

Maximum suction lift: 18 ft (5

ensuring reliable operation within GRACO’s GH130 equipment

The GRACO 19C681 SOLOTECH ST6 PUMP is a heavy-duty

and industrial machinery requiring automated lubrication of multiple points