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Liquid Control Solutions - Solutions for the monitoring, dispense, spray, extrusion, metering and control of sealant applications

C. H. Reed provides liquid controls equipment solutions for sealant and adhesive applications from bead extrusion to potting and fill applications. This page provides a brief description of the products, components, parts and solutions available from our company. Simply select our "Sales Request" to have our C. H. Reed engineering team design a system specifically for your application.

• Graco's complete line of sealant solutions
• Paint and coatings metering solutions
• Precision dose and mechanical metering solutions
• Precision Flo electronic proportioners
• Precision Swirl Orbital applicator
• Pump accessories and controls

Precision Dose and Mechanical Metering of Two Component Fluids

Graco manufactures a complete line of mechanical metering, mixing, monitoring, dispensing and dosing equipment solutions. Contact our engineering team for more information or customized liquid control equipment solutions.

Precision Dose

Precise, positive displacement metering using double-acting cylinders
The 8900 Proportioners uses fluid inlet pressure to continuously reciprocate two connected cylinders. This fluid pressure is usually provided by two pumps which supply consistent pressure to the Proportioners cylinders.

As the major volume cylinder (base) and minor volume cylinder (catalyst) reciprocate, they positively displace the two material components on ratio to the outlet ports. Specially-sized hoses connect the Proportioners to a choice of mixers to ensure ratio accuracy. Static mixers are incorporated into the system to deliver a homogeneous mix of base and catalyst.

Features and Benefits

• Dependable, production-proven operation
• Rugged, reliable heavy-duty components
• Fixed or adjustable ratio versatility
• Continuous, "on-demand" or adjustable shot-size dispensing
• Modular system configurations for customizing to suit your needs

Mechanical Proportioning

Supply high viscosity liquid metering solutions from 5 gallon to bulk containers

Exceptional material and cost savings

Graco's family of Extruders are fully contained proportioning and dispense system for two component materials used in virtually all types of industry applications.

High production extruders provide ratio accuracy, production efficiency and precise material handling in a wide range of fluid mix ratios. Your new Extruder often pays for itself in material cost savings by using bulk containers instead of cartridges.

Features and Benefits

• Repeatability: accurately load each anchoring hole as needed to anchor your dowel bars securely and consistently
• Ratio accuracy: mixes material precisely, conforming to material manufacturer specs and eliminating the risk of off-ratio material
• Production efficiency: mix material as you need it, minimizing material waste and disposal hassles associated with solvent flushing
• Precise material handling: eliminates manual mixing and the risks of inadequate working time with quick-curing materials

Precise, positive displacement shot metering

The Duo-Flo II provides reliability and optimum control for volumetric-metered applications. The Duo-Flo II utilizes a dual positive displacement rod and tube design to deliver the precise volume of resin and catalyst material on ratio each time.

Superior variable speed dispensing control and system flexibility can be realized when your bonding process requires a uniform bead of plural component adhesive.

Features and Benefits

• Ideal for minimizing breakage of micro-sphere filled materials
• Dependable reloading – Proprietary independent drive process is used to fill each of the displacement cylinders during reload, preventing the formation of air pockets and cavitation
• Equipped with servo motor control for interfacing with a robot or automation control

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Graco's family of Precision Flo proportioners include the Precision-Flo LT and the high accuracy, high production Precision-Flo XL. Meter high viscosity sealants and adhesives inline with high accuracy and complete closed-loop reporting capabilities.

Precision Flo XL

Precision liquid control metering system that reduces material usage and improves quality. Graco's new PrecisionFlo XL is an electronically controlled fluid metering system that provides precise and reliable closed-loop metering and dispensing of sealants and adhesives for automotive and industrial applications.

Features and Benefits

• Supports a variety of application methods: spray, stream, Precision Swirl
  Integrated flow meters provide real-time feedback to adjust dispense pressure
• Fast response times ensure accurate delivery of material for less rework
• Pneumatic and electric metering modules available for different levels of control
• Choice of user interfaces available give the user the level of sophistication needed for a particular operation

Graco Precision Flo LT

High performance, affordable high viscosity electronically controlled liquid metering system

The PrecisionFlo LT offers entry-level ease-of-use combined with high performance. This electronically fluid metering system provides real-time closed-loop metering and dispensing of ambient and hot melt sealants and adhesives for automotive and industrial applications.

Features and Benefits

• Supports a variety of application methods: spray, stream, PrecisionSwirl
• Labor and material savings reduce manufacturing costs
• Less maintenance and downtime for longer life and improved productivity
• Easy-to-use operation and set-up
• Improved part quality

Key Applications

• Gasketing
• Seam sealing
• Hem flange
• Sound deadening
• Body panel reinforcement

Key Materials

• PVC plastisol
• Epoxy
• Water based acrylics
• PUR, butyl and PSA hot melt
• Silicone

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• Provides a circular loop "swirl" bead pattern
• Swirl pattern has uniform bead profile and consistent edges
• Increased tip standoff simplifies robot programming
• Swirl pattern can be varied along the bead path
• Swirl orbital applicator has no dynamic seals

Key Applications

• Hem flange adhesive bonding
• After hem sealing
• Cosmetic seam sealing
• Body panel reinforcement (BPR)
• Liquid mask sealing

Key Materials

• Expandable sealers
• Heat cured epoxy
• PVC plastisol
• Waterbased deadeners

Liquid Applied Sound Deadening Equipment (LASD)
Reduce Noise, Vibration and Harshness (NVH) Achieve lower costs and less re-work by eliminating mastic pads using Graco's proven Liquid Applied Sound Deadening (LASD) solution.

Features and Benefits

• Multi-Orifice Linear Stream Applicator (MOLSA) gives you faster cycle rates, more accurate dispensing and longer production life compared to competitive offerings
• Save time, money and material with patented real-time, closed loop flow control
• Highly durable components reduce downtime and maintenance costs in high-speed operations

Graco's MOLSA gives you:

• Simple mechanical design for balanced, low pressure dispensing
• 14,000 psi (96.5 MPa, 965 bar) pressure rating, the highest in the industry
• High robot processing speeds
• High material flow rate for NVH applications
• Reduced maintenance and long life

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