Graco MD2 Standard Two-Component Dispense Valve

Graco MD2 Standard Dispense Valve Overview

The Graco MD2 Standard Dispense Valve accurately dispenses and mixes two-component sealants and adhesives, ensuring clean and controlled application. Available in 1:1 and 10:1 ratios, it features multiple seat styles and adjustable snuff-back options to optimize dispensing performance. Designed for high-pressure applications, it minimizes maintenance time and costs while maximizing uptime and material compatibility. The modular design allows for easy adaptation to different installation needs, with fewer parts for streamlined maintenance and service—no unique tools required.

For applications handling abrasive thermal interface materials, silicones, urethanes, and epoxies, consider the Graco MD2 Elite Dispense Valves for enhanced wear resistance and extended durability.

MD2 Standard Dispense Valve Options

• Ratio (1:1 or 10:1): Choose 1:1 for equal mixing or 10:1 for high-ratio adhesives.
• Seat Type (Soft or Hard): Soft seats provide better shut-off and reduced dripping, ideal for low-viscosity materials. Hard seats are durable and better for high-pressure or abrasive applications.
• Snuff-Back Type (Adjustable or Non-Adjustable): Adjustable snuff-back fine-tunes material retraction for cleaner dispensing, while non-adjustable offers consistent performance with minimal setup.

MD2 Valve Features and Benefits

• Accurate Two-Component Dispensing: Precisely dispenses and mixes plural-component sealants and adhesives.
• Reduced Maintenance & Costs: Fewer parts and an easy-to-clean design streamline service.
• Modular Design for Flexibility: Adapts to different installation needs with no unique tools required.
• Independent Air Cylinder: Improves mean time to repair (MTTR) and enhances reliability.
• Grease Isolation Chamber: Protects moisture-sensitive materials while simplifying maintenance.
• All-Stainless Steel Wetted Section: Ensures maximum material compatibility.
• Adjustable Inlet Position: Enhances installation flexibility and minimizes dead spaces.

Specifications

• Model: MD2 Valve
• Component Type: Plural Component
• Maximum Fluid Pressure: 3000 psi (276 bar)
• Maximum Cylinder Air Pressure: 120 psi (8.4 bar)
• Maximum Air Cylinder Actuating Pressure: 40 psi (2.8 bar)
• Maximum Working Fluid Temperature: 140°F (60°C)
• Wetted Parts: Stainless Steel, Carbide, UHMWPE, Acetal, PEEK, PTFE
• Dimensions: 6.64 in L x 2.32 in W x 2.25 in D (168.7 mm L x 59 mm W x 57 mm D)
• Fluid Inlets: 9/16-18 UNF (f) (06 SAE)
• Air Inlets: 1/8 in NPT
• Graco System Compatibility: PrecisionDose, PR70, EFR, and HFR