Single Component 55 Gallon Drum Pump for Expansion Joint Filling (AST SP 55)

SKU: AST SP-55-C


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Used to Dispense

  • Silicones
  • Single Part Urethanes
  • Fire Stop Material

Common Applications

  • Joint Filling and Sealing
  • Caulking

AST SP 55-C: The Ultimate Single Component Drum Pump for Expansion Joint Filling & Sealing

Engineered for High-Volume Industrial Applications

When it comes to high-volume joint filling and sealing, the AST SP-55 Single Component Drum Pump sets the industry standard. Designed for professionals in need of a robust, high-performance dispensing system, the SP-55 offers unparalleled efficiency and precision.

Note: the SP-55 is a higher output version of the AST SP-5

High-Volume Dispensing: Unmatched Throughput

The AST SP-55 is engineered for speed and efficiency. With a flow rate of up to 2 gallons per minute—dependent on viscosity—this drum pump is built to handle high-volume applications. Its adjustable flow rate allows for precise control, making it an indispensable asset for large-scale, industrial operations.

Extreme Pressure Capabilities: Built for Tough Jobs

With fluid pressures up to 3,000 psi and viscosities up to 1,000,000 cps, the SP-55 is designed to tackle the most demanding joint filling and sealing tasks. Its high-pressure, self-priming feature ensures consistent, reliable performance even under extreme conditions.

Common Materials Dispensed

  • Dow 890
  • Dow 888
  • Sika 1A
  • BASF SL1

Specifications

  • Uses AST CMP metering pump
  • Flow up to 2 gpm dependent upon viscosity
  • Fluid pressures up to 3,000 psi
  • Viscosities up to 1,000,000 cps
  • Optional pneumatic elevator
  • 5:1 to 30:1 power factor ratio
  • Adjustable flow rate
  • 55 gallon drum feed with follower plate
  • High pressure / self-priming
  • 6″, 8″, or 10″ diameter drive cylinder
  • Pneumatic powered
  • Metered shots or continuous flow
  • 3″ diameter double post pneumatic arm
  • Pumps abrasive materials

AST SP-55 Resources

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About AST Equipment

AST dispensing equipment is part of APPLIED Adhesives Equipment Solutions. Dispensing.com is the exclusive distributor of AST dispensing equipment.

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