HG 437 dual-component pneumatic dispensing system with fixed-ratio metering, boom arm, and 55-gallon x 5-gallon pail setup
HG 437 dispensing boom with spray gun attachment and flexible hose routing for ergonomic material application.
Side view of metering and control hardware on the HG 437 dispensing system, highlighting pneumatic components and cylinder mounts.
Detailed image of fluid line routing, valves, and hose fittings on the HG 437 cartridge filling system.
Close-up view of the HG 437 system’s dual metering cylinders and pressure gauges for high-viscosity adhesive dispensing.
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HG 437 dual-component pneumatic dispensing system with fixed-ratio metering, boom arm, and 55-gallon x 5-gallon pail setup
HG 437 dispensing boom with spray gun attachment and flexible hose routing for ergonomic material application.
Side view of metering and control hardware on the HG 437 dispensing system, highlighting pneumatic components and cylinder mounts.
Detailed image of fluid line routing, valves, and hose fittings on the HG 437 cartridge filling system.
Close-up view of the HG 437 system’s dual metering cylinders and pressure gauges for high-viscosity adhesive dispensing.

High-Volume Silicone Dispensing System for Two-Part Sealants (HG 437)

SKU: HG 437

Made in the USA

Used to Dispense

Common Applications

  • Insulated Glass Glazing
  • Window Glazing

High-Volume Dual-Component System for Structural Silicone Sealants

Built for high-volume glazing applications, this pneumatic dual-component system dispenses structural silicone sealants with precision and power. Commonly used in curtainwall and insulated glass production, it’s trusted as a workhorse throughout the glazing industry and is designed to dispense directly from a 55-gallon drum and 5-gallon pail. Each unit features a fixed-ratio design but can be configured to virtually any mix ratio, including 2:1, 4:1, 10:1, and more, offering dependable performance for demanding two-part sealant workflows.

What Sets This Glazing-Grade Sealant Dispenser Apart

  • High-Volume Output: Dispenses up to 2.75 gallons per minute, ideal for fast-paced glazing and IG production.
  • Fixed-Ratio Flexibility: While the mix ratio is fixed per unit, the system can be configured to nearly any ratio including 2:1, 4:1, 10:1, 12:1, and more.
  • Pail and Drum Compatibility: Designed to dispense directly from a 55-gallon drum and 5-gallon pail for large-scale two-part adhesive systems.
  • All-Pneumatic Operation: No electricity required, making it job-site ready and compliant with safety-sensitive environments.
  • Optional 20-Foot Boom: Available with an extended boom arm to increase reach and reduce operator fatigue.
  • Mobile and Shop-Friendly: Built on a wheeled base for easy movement around production floors or curtainwall assembly areas.
  • Made in the USA: Built with durable components.

Specifications

  • Model: HG 437
  • Adhesive Compatibility: 2-Part Adhesives
  • Fixed Ratio Options: 2:1, 4:1, 10:1 and Everything Else
  • Container Size: 55 Gallon Drum x 5 Gallon Pail
  • Material Viscosity Range: 15,000 - 1,800,000 cps
  • Flow Rate: 0.75 - 2.75 Gallons per Minute (varies by viscosity)
  • Pump Power Ratio: 43:1 Catalyst, 35:1 Base
  • Air Compressor Requirement: 30 Gallon Minimum, 4 CFM Minimum
  • Hose Length: Up to 50 Feet
  • Dimensions: 66" L x 33" W x 102" H
  • Weight: 1,400 lbs

Common Customizable Options

This system can be tailored to meet specific application needs across glazing and structural sealant workflows. Common customizations include:

  • Fixed Mix Ratio Configuration: Units can be set to 2:1, 4:1, 10:1, 12:1, 50:1, or other required ratios
  • Optional 20-Foot Boom: Available with extended boom arm to increase operator reach and reduce fatigue
  • Hose Lengths: Custom lengths available up to 50 feet to suit workspace layouts
  • Applicator Type: Choose from high-output or precision dispensing guns based on production goals

Contact us to configure this system for your specific ratio, workflow, and layout requirements.

Compatible Materials

This system is compatible with a wide range of two-part structural silicone sealants commonly used in glazing, curtainwall, and insulated glass production, including:

  • Dowsil 983 and Dowsil 993
  • Tremco Proglaze II
  • GE UltraGlaze 4600 and UltraGlaze 4650
  • Sikasil SG-500 and Sikasil SG-450
  • Pecora 985
  • Fenzi 10:1 Poly Sulfide Sealant
  • Other 2-part silicones, polysulfides, and urethane-based sealants used in facade assembly

Submit the form below to get the Technical Data Sheet (TDS) for HG 437 sent to your email address.

Questions about HG 437? Our team of adhesive specialists can help. Submit your questions and we'll get you answers right away.

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