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Graco 159309 Vee Packing

The Graco 159309 Vee Packing provides reliable sealing for industrial pumps, ensuring smooth operation and preventing leaks in the throat and piston areas.

  • Part Number: 159309
  • Compatible Models: Fire-Ball 425 series pumps and other reciprocating piston or diaphragm pumps
  • Material: PTFE fiber blend with graphite and elastomer reinforcement
  • Function: Uniform sealing, low-friction operation in pump assemblies

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Compatible Machines for Graco 159309 Vee Packing

  • Graco Fire-Ball 425 Series Pumps (3:1, 6:1, 10:1 ratios)
  • Reciprocating piston and diaphragm pumps requiring high-pressure filtration performance
  • Other heavy-duty industrial pumps specifying Vee Packing in gland/throat assemblies

Product Overview

The Graco 159309 Vee Packing is a precision-engineered seal for high-performance pumps, designed to ensure smooth operation, reduce wear, and maintain consistent fluid containment in reciprocating pump systems.

  • Part Number: 159309
  • Material: PTFE fiber blend with graphite and elastomer reinforcement
  • Function: Provides uniform sealing and low-friction operation in pump throat and piston assemblies
  • Applications: Fire-Ball 425 series, chemical pumps, industrial coatings, abrasive suspensions

Specifications

Specification Details
Material PTFE fiber blend with graphite and elastomer reinforcement
Temperature Range -40°F to 450°F
Pressure Rating Up to 5,000 psi
Geometry Stepped Vee ring profile for uniform sealing
Applications Industrial coatings, solvent-based fluids, abrasive suspensions, chemical pumps

Installation & Service Notes

  • Install rings sequentially with split staggered to prevent leaks.
  • Observe proper gland torque to avoid over-compression and wear.
  • Periodic inspection recommended for rod surface and packing wear.
  • Use compatible lubricants or packing pastes to extend service life.

Frequently Asked Questions

It provides a uniform, low-friction seal in the pump's throat and piston area to prevent leaks and ensure smooth operation.

Yes, it fits other reciprocating piston and diaphragm pumps requiring a Vee packing, but always confirm with the pump's service manual.

Replace it when leaks occur, rod friction increases, or signs of wear/damage appear on the packing rings.

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