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Graco 191408 Diaphragm, Ptfe, Surge Tank

The Graco 191408 Diaphragm, PTFE, Surge Tank helps reduce pressure pulsation and maintain smoother fluid flow in industrial pump and circulation systems.

  • PTFE construction for excellent chemical resistance
  • Designed for Graco surge tank assemblies
  • Helps minimize pressure spikes and vibration
  • Supports consistent fluid delivery performance
  • Suitable for coating, paint, and chemical systems

$836
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Compatible Machines & Systems

The Graco 191408 Diaphragm, PTFE, Surge Tank is designed for use in selected Graco surge tank and pulsation dampener systems that help maintain smooth fluid flow and reduce pressure fluctuations during operation.

  • Graco 233736 Surge Tank assemblies
  • Graco industrial surge suppressor systems
  • Graco paint circulation systems
  • Graco coating and finishing equipment
  • Graco chemical transfer pump systems
  • Graco sanitary fluid handling systems
  • Graco diaphragm pump surge tank assemblies using PTFE diaphragms

Product Overview

The Graco 191408 Diaphragm, PTFE, Surge Tank is a replacement PTFE diaphragm used inside Graco surge tanks and pulsation dampeners. It helps absorb pressure spikes and reduce pulsation created by pump operation, improving overall fluid consistency and protecting system components.

Manufactured from PTFE material, this diaphragm offers excellent chemical resistance and durability for demanding industrial fluid handling applications.

Key Features

Part Number 191408
Product Type PTFE Surge Tank Diaphragm
Material PTFE (Teflon)
Main Function Reduces fluid pulsation and pressure surges
Application Industrial fluid handling and circulation systems
Chemical Resistance Excellent resistance to solvents and aggressive fluids

Benefits of PTFE Diaphragm Construction

  • Helps maintain smoother fluid flow
  • Reduces pump pulsation and vibration
  • Improves spray and coating consistency
  • Provides strong resistance against harsh chemicals
  • Designed for demanding industrial applications
  • Supports long-lasting performance in fluid systems

Common Applications

The Graco 191408 Diaphragm, PTFE, Surge Tank is commonly used in:

  • Industrial paint circulation systems
  • Protective coating applications
  • Chemical transfer operations
  • Sealant and adhesive handling systems
  • Sanitary processing equipment
  • Fluid pressure stabilization systems

Frequently Asked Questions

The diaphragm helps reduce pressure pulsation and fluid surges inside Graco surge tank systems, improving fluid flow consistency and protecting equipment components.

This diaphragm is manufactured from PTFE (Teflon), which provides excellent chemical resistance and durability for industrial fluid applications.

It is commonly used in Graco surge tanks, industrial coating systems, paint circulation equipment, chemical transfer systems, and sanitary fluid handling applications.

PTFE offers strong resistance to chemicals, solvents, and aggressive fluids while supporting reliable performance in demanding industrial environments.

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