Catalog excerpts
G GRACO Dispensit Single-Component Metering and Dispensing Valves PROVEN QUALITY. LEADING TECHNOLOGY.
Open the catalog to page 1Dispensit Valves. Precise. Accurate. Reliable. The ideal low-volume dispensing solution Graco offers a broad line of precision Dispensit metering and dispensing valves for applications requiring low-volume, single-component dispensing. These valves come in many sizes and dispense a wide range of materials. • ffers exceptional performance with a range of material viscosities – from water-thin O to paste consistency • Dispenses metered shot sizes from 0.001 to 52 cm3 • Features on/off valves for continuous bead applications • Lightweight, compact design is easy to integrate with automated...
Open the catalog to page 2HOW IT WORKS Material flow starts O when the needle retracts from its seat and stops Q when the needle re-seats. • Dispenses a range of material viscosities and flow rates • Offers continuous bead dispensing or rapid on/off cycling without reload time • High-feed pressure-rated needle valve design provides higher flow rates even for narrow bead profiles 1 • Snuff-back versions for precise, consistent dispensing2 • Simple on/off control via PLC for integrated solenoid versions or versions for external pneumatic control Needle Backstroke Adjustment Fine tune output flow requirements Stainless...
Open the catalog to page 3• For low to medium viscosity materials that are abrasive, corrosive or cure quickly HOW IT WORKS • Ideal for applications requiring precise, high-speed, dot-to-dot dispensing • Wetted parts of pinch tubes and syringes are replaceable - providing fast clean-up to minimize need for solvent purging or disposal • Various pinch tube material configurations are available for material compatibility and varying dispense volumes • Remote or syringe feed configurations provide positive feed pressure using regulated air supply Fill Mode O The resilient dispense tube is pinched by the bottom...
Open the catalog to page 4Positive Displacement Metering Rod Valves • or low to high viscosity materials with various wetted component configurations F for abrasive filled, or corrosive materials • neumatically-controlled valves with micrometer adjustable dispense volumes P for accurate, repeatable shot dispensing 3 • High-feed pressure ratings for minimal reload times and fast cycle rates 5 The shuttle spool is positioned to open the inlet port while isolating the outlet port. Material enters the metering chamber as the metering rod retracts. • Pneumatic and electronic controls that can be integrated for automated...
Open the catalog to page 5Select a Valve and Material Feed System Compatible material feed systems are available for all valve configurations. The following charts will assist you in the valve and feed system selection process, and help you determine the best dispense valve for your application. Custom solutions are also available. Pinch Tube Valves Positive Displacement Metering Rod Valves H Micro-Melt version of 1053 Valve is available. Contact Graco Application Engineering for details. Choose the right feed system for your valve Valve Type Valve Model Pinch Tube Valves Pressure Tank Feed Bulk Supply System On/Off...
Open the catalog to page 6Accessories, Controllers and Automation Controllers vv Valve Controllers Dispensit’s intuitive valve controllers, complete with a Dispensit valve, are the ideal solution to optimizing your dispensing process. 4104A Dispense Valve Controller • ontrols dispense time, cycle speed, cycle sequencing, system pressure C and reservoir pressure Custom Needle Blocks • Works with complete line of pneumatically-operated dispensing valves The Dispensit custom needle block • Electronic dispense cycle timer for optimization and repeatability configurations are balanced to provide a consistent volume of...
Open the catalog to page 7Time Pressure Valves 710 Pinch Tube Valves 702-20* Dot Dispense Continuous Bead Dispense Metered Dispense * On/Off Pinch Tube Valves
Open the catalog to page 8Dot Dispense Continuous Bead Dispense Metered Dispense Pinch Tube Valves (Continued) s SPECIFICATION LEGEND
Open the catalog to page 9Dot Dispense Continuous Bead Dispense Metered Dispense posits Displacement Metering Rod Valves 1052-1OA-2 *10xx Series valves’ maximum pressure material inlet pressure is 400 psi; Excludes motor; Note: 1053-10C is suitable for highly compressible materials; single needle only
Open the catalog to page 10Dot Dispense Continuous Bead Dispense Metered Dispense Positive Disi|plcicE»ment Metering Rod Valves (Continued) *10xx Series valves’ maximum material inlet pressure is 400 psi for plastic spools and 1200 psi for steel spools; ** Excludes motor SPECIFICATION LEGEND
Open the catalog to page 11ABOUT GRACO Founded in 1926, Graco is a world leader in fluid handling systems and components. Graco products move, measure, control, dispense and apply a wide range of fluids and viscous materials used in vehicle lubrication, commercial and industrial settings. The company’s success is based on its unwavering commitment to technical excellence, world-class manufacturing and unparalleled customer service. Working closely with qualified distributors, Graco offers systems, products and technology that set the quality standard in a wide range of fluid handling solutions. Graco provides...
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