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Graco DB4777 Pump 1590S-PA01AS1BNBNBN

Graco DB4777 Pump 1590S PA01AS1BNBNBN is a stainless steel air-operated diaphragm pump with Buna-N wetted components designed for industrial fluid transfer applications.

  • Air-operated double diaphragm pump
  • 1-1/2″ NPT fluid connections
  • Stainless steel body construction
  • Buna-N diaphragms and balls

$6270
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Compatible Machines

  • Graco Husky 1590S diaphragm pump systems
  • Industrial pneumatic transfer equipment
  • Oil and petroleum-based fluid handling setups
  • General manufacturing fluid circulation systems

Product Overview

Graco DB4777 Pump 1590S PA01AS1BNBNBN is an air-operated double diaphragm pump engineered for dependable industrial performance. Constructed with a stainless steel body and Buna-N diaphragms and balls, this model is well suited for transferring petroleum-based fluids, oils, and other compatible industrial liquids. Its compressed air operation enables safe use in hazardous or non-electric environments while delivering consistent flow and pressure.

Specifications

Part Number DB4777
Pump Type Air-Operated Double Diaphragm
Body Material Stainless Steel
Diaphragm Material Buna-N (Nitrile)
Ball Material Buna-N (Nitrile)
Fluid Inlet/Outlet 1-1/2″ NPT
Maximum Working Pressure 120 psi
Drive Type Compressed Air

Key Features

  • Durable stainless steel construction
  • Buna-N components for oil compatibility
  • Air-powered operation
  • 1-1/2″ NPT port configuration
  • Industrial-grade reliability

Frequently Asked Questions

This model is commonly used for petroleum-based fluids, oils, and other liquids compatible with Buna-N and stainless steel materials.

No. It operates entirely on compressed air.

The pump features 1-1/2″ NPT fluid inlet and outlet ports.

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