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glascraft mh-iii spray foam proportioner

GlasCraft MH III Spray Foam Proportioner

The GlasCraft MH III Spray Foam Proportioner is a hydraulic, fixed-ratio system delivering up to 45 lb/min with independent temperature control, automatic solvent-free purging, and long hose capability for professional spray foam applications.

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Description

The GlasCraft MH III Spray Foam Proportioner is a high-output, fixed-ratio hydraulic dispensing system designed for professional spray foam and pour applications requiring reliability, precision, and consistent material control. Engineered for demanding jobsite conditions, the GlasCraft MH III Spray Foam Proportioner delivers up to 45 lb/min with a 1:1 fixed ratio, handling material viscosities from 200–2000 cps at operating temperatures up to 190°F (88°C). Independent ISO, Poly, and hose temperature controllers ensure stable thermal management, while automatic pneumatic, solvent-free purging supports clean, efficient operation. The hydraulic drive system provides smooth pump cycling with over-pressure protection set at 3200 psi, safeguarding components and material integrity. Designed to support long hose runs up to 310 ft, the GlasCraft MH III Spray Foam Proportioner is well-suited for industrial, commercial, and high-production environments where consistent output, safety systems, and serviceability are critical.
glascraft mh-iii spray foam proportioner
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Spray Foam Machine Info & Resources

Technical Specifications

  • Hydraulic oil tank capacity: 20 gallons (75.5 liters)
  • Hydraulic pressure ratio: 2:1 (1000 psi hydraulic to 2000 psi fluid per side)
  • Electrical draw: 74A single-phase / 50A three-phase @ 208–240V
  • Integrated pump cycle counter: 0.021 gal per stroke
  • Shipping weight: Approximately 1,000 lbs

Frequently Asked Questions

Service & Support

How does the GlasCraft MH III Spray Foam Proportioner handle over-pressure situations during spraying?

The GlasCraft MH III Spray Foam Proportioner automatically shuts down hydraulic power and heaters if pressure exceeds 3200 psi, requiring manual reset after the issue is corrected to prevent component damage.

Can the GlasCraft MH III Spray Foam Proportioner support extended hose lengths without performance loss?

The GlasCraft MH III Spray Foam Proportioner supports up to 310 ft of heated hose when properly configured, with hose heat designed to maintain primary heater temperatures rather than add delta heat.

What routine maintenance is critical for long-term reliability of the GlasCraft MH III Spray Foam Proportioner?

Weekly lubrication of the fluid section wiper cups and regular inspection of filters, hoses, and hydraulic fluid levels are essential to maintain optimal performance of the GlasCraft MH III Spray Foam Proportioner.
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