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Graco B35DA1 Merkur Bellows Pump Assembly 100cc

High-capacity bellows pump assembly for Merkur 35:1 systems. Designed for industrial coatings and high-viscosity fluids.

  • Part Number: B35DA1
  • Displacement: 100cc per stroke
  • Ratio: 35:1
  • Packing Type: U-cup (Standard)
  • Compatible Machines: Merkur Bellows 35:1 STD systems
  • Durable: Stainless steel wetted parts

$9750
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Compatible Machines

Model Configuration
G35B17 Merkur Bellows 35:1 – Wall Mount, Pump Only
G35B19 Merkur Bellows 35:1 – Cart Mount, Pump & Gun
G35B25 Merkur Bellows 35:1 – Wall Mount, Pump Only
G35B27 Merkur Bellows 35:1 – Cart Mount, Pump & Gun

Product Overview

Part Number: B35DA1
Product Name: Graco B35DA1 Pump Assy Bellows 100cc STD

This is an OEM replacement 35:1 ratio Merkur bellows pump assembly with U‑cup (standard) packings for high‑pressure fluid delivery in industrial spray systems.

Key Features

  • 100 cc displacement per cycle for efficient high‑volume transfer
  • 35:1 ratio piston bellows design for elevated fluid pressures
  • Standard U‑cup packings suited for general industrial coatings
  • Durable stainless steel wetted parts for extended life
  • OEM quality from Graco for reliable fit and performance

Technical Specifications

Fluid Inlet 3/4" NPT
Fluid Outlet 3/8" NPT
Air Inlet 1/2" NPT
Stroke 63.5 mm (2.5")
Max Working Pressure Up to 3500 psi (241 bar)
Packing Type U‑cup (standard)
Compatible Fluids Waterborne, solventborne, high solids and general coatings

Frequently Asked Questions

The B35DA1 includes the bellows pump assembly with standard air controls. Hoses, guns, siphon tubes, and accessories are sold separately or with complete systems.

No — this standard version does not include DataTrak monitoring compatibility. Choose a DataTrak compatible variant if needed.

Confirm your sprayer’s pump ratio (35:1), fluid displacement (100 cc), and packing type (U‑cup) to ensure compatibility with this assembly.

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