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Graco 158857 Cup Spacer

Maintain proper alignment and spacing in high-pressure Graco pumps with the 158857 Cup Spacer. Durable and precise, it ensures reliable pump performance.

  • Material: 17-4 PH stainless steel, corrosion-resistant
  • Compatible with Graco Reactor 2 E-30, E-XP2, H-25, H-30
  • Supports piston packing and fluid cup assembly
  • Enhances pump efficiency and seal life

Retail Price: $53.5
You save: $0.53 (0.99%)
Our Price: $52.97
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Precision Fluid Spacer for High-Pressure Graco Pumps

The Graco 158857 Cup Spacer is a precision-engineered component that ensures proper alignment between the pump piston housing and fluid cup assembly. Crafted from high-grade stainless steel, it enhances pump efficiency and extends seal life in high-pressure spray systems.

Compatible Machines

Machine Type Model
Spray Foam / Polyurea Graco Reactor 2 E-30
Spray Foam / Polyurea Graco Reactor 2 E-XP2
High-Pressure H-Series Graco H-25
High-Pressure H-Series Graco H-30

Key Features

  • Material: 17-4 PH stainless steel, passivated for corrosion resistance
  • Maintains precise spacing between piston packing and fluid cup
  • Supports consistent fluid flow and pump efficiency
  • Simple installation with no special tools required

Technical Benefits

  • High precision concentric bore tolerance ±0.02 mm ensures proper alignment
  • Reduces wear on O-rings and seals for longer service intervals
  • Optimizes volumetric flow and reduces pressure fluctuations
  • Supports high-pressure pump operations up to 250 bar / 3625 psi

Frequently Asked Questions

It maintains proper spacing and alignment between the piston packing and fluid cup assembly, ensuring consistent pump operation and seal longevity.

Compatible with Graco Reactor 2 series (E-30, E-XP2) and H-Series machines (H-25, H-30).

Made from passivated 17-4 PH stainless steel, it is corrosion-resistant, maintains dimensional stability under cyclic loads, and ensures minimal wear on seal components.

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