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Graco DB3655 Husky 1590A-PA01AA1 Pneumatic Diaphragm Pump

Graco DB3655 Pump 1590A PA01AA1SPTPTPPT is an air-operated diaphragm pump featuring PTFE elastomers throughout for extensive chemical resistance.

  • Air-operated double diaphragm pump
  • 1-1/2″ NPT connections
  • Aluminum body with stainless steel seats
  • PTFE balls and diaphragms

$1870.6
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Compatible Machines

  • Graco Husky 1590 series diaphragm pumps
  • Pneumatic fluid transfer systems
  • Industrial plant and workshop installations
  • Air-powered transfer applications

Product Overview

Graco DB3655 Pump 1590A PA01AA1SPTPTPPT is a heavy-duty, air-operated diaphragm pump designed for demanding chemical handling. Featuring 1-1/2 inch NPT inlet/outlet ports, PTFE diaphragms, and PTFE balls, this pump provides broad chemical compatibility and consistent performance in industrial fluid transfer roles. Its aluminum construction with stainless steel seats ensures durability in service.

Specifications

Part Number DB3655
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 PTFE
Maximum Pressure 120 psi

Key Features

  • Air-powered design
  • PTFE wetted components for chemical tolerance
  • Stainless seats for durability
  • High flow industrial operation
  • Serviceable air section

Frequently Asked Questions

This model uses PTFE for both diaphragms and balls, offering broad chemical compatibility.

No, this pump operates solely on compressed air.

Yes, it’s designed for demanding industrial fluid transfer applications.

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