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Graco DB3811-1590A-PA01AA1FKPTPT

Graco DB3811 Pump 1590A PA01AA1FKPTPT is an air-operated diaphragm pump designed for chemical-resistant fluid transfer with FKM elastomers and PTFE diaphragms.

  • Air-operated double diaphragm pump
  • 1-1/2″ NPT fluid ports
  • Aluminum body with stainless steel seats
  • FKM elastomers and PTFE diaphragms

$2619.7
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Compatible Machines

  • Graco Husky 1590 series diaphragm pumps
  • Air-powered pneumatically driven fluid systems
  • Industrial plant and workshop use
  • Chemical transfer applications

Product Overview

Graco DB3811 Pump 1590A PA01AA1FKPTPT is a robust Husky 1590 series air-operated diaphragm pump built for industrial chemical handling. With a 1-1/2″ NPT inlet/outlet, aluminum body with stainless steel seats, FKM balls, and PTFE diaphragms, this model is suited for challenging fluid transfer tasks requiring chemical resistance and reliable performance in worksite environments.

Specifications

Part Number DB3811
Pump Type Air-Operated Double Diaphragm
Fluid Inlet/Outlet 1-1/2″ NPT
Center Section Material Aluminum
Seat Material Stainless Steel
Diaphragm Material PTFE
Ball Material FKM elastomer
Maximum Pressure 120 psi

Key Features

  • Air-driven operation — no electrical source needed
  • FKM elastomers for chemical resistance
  • PTFE diaphragms for broad fluid compatibility
  • Stainless seats for corrosion durability
  • Heavy-duty industrial construction

Frequently Asked Questions

Yes — FKM elastomers and PTFE diaphragms improve resistance to many chemicals.

Yes — it operates using compressed air and does not require electricity.

It’s used in industrial fluid transfer, chemical processing, and plant systems.

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