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Model 826

Model 826 Disposable Fluid Path Pinch Valve, Closed


The Model 826 is a pneumatically operated, normally closed pinch valve. This dispense valve dispenses a wide variety of materials and is specifically designed to dispense thicker, stringy materials with ease. The valve is highly precise and obtains its precision from lockable controls that facilitate the adjustment of three critical parameters: the flow rate through the valve, the amount of tube closure, and suck-back.

The valve's suck-back feature allows for the clean shutoff of stringy and tacky materials and prevents the formation of a droplet at the end of the dispense nozzle. It also minimizes the filming over materials that tend to dry out at the end of the nozzle.

The valve also features a disposable fluid path which carries materials from the material reservoir to the dispense tip. Fluids are sealed within the fluid path, preventing contact with the valve’s inner components and ensuring a contaminate-free dispensing process. The fluid path is easy to replace and requires minimum clean-up, allowing for rapid material changeover. This valve can be supplied with fluid paths of varying materials and sizes for optimum material compatibility.

The dispensing valve can be integrated into an automated dispensing system or can be paired with the Dymax DVC-345 Digital Valve Controller and a material reservoir to create a bench-top dispensing system.

Features

Features

  • Disposable fluid path that carries materials from the material reservoir to the dispense tip
  • Fluids remain contaminate-free during dispensing
  • Prevents air entrapment during the dispensing process
  • Easy product changeover with minimal cleanup
  • Fluid never comes in contact with the valve’s inner components, reducing maintenance and extending the life of the valve
  • Over-pinch adjustment prevents tubing damage and millions of cycles before replacements
  • Shot-to-shot consistency when used with the DVC-345 Digital Valve Controller
  • Adjustable suck-back control eliminates drooling and filming over nozzle
  • Drop-free dispense when dispensing thin or stringy materials
  • Dispenses from pressurized cartridges, bottles, and pails (requires appropriate reservoir hardware)
  • Lightweight, easy to handle and mount in automated or bench-top systems

System Specifications

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Property Specifications
Valve type Pinch Valve with Disposable Fluid Path
Construction materials Anodized Aluminum
Operating air pressure 60-90 psi [4.1 – 6.3 bar]
Activation Valve controller or 3-way solenoid valve
Maximum inlet fluid pressure Tubing Dependent; 100 psi [6.9 bar] Typical
Maximum operating temperature 150°F [65°C]
Maximum tubing size 0.25 in [0.63 cm] OD
Dimensions (W x H x D) 1.13 in x 2.5 in x 2.66 in [2.87 cm x 6.35 cm x 6.75 cm]
Weight 11 oz [312 g]
Warranty 1 year from purchase date

Looking for additional technical specifications? Check out our Resource Library or talk with our technical experts.

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Dymax Model 826 Dispensing Valve Rebuild Kit Instructional Video

From time to time, it may be necessary to replace parts in your Model 826 valve. This animation provides step by step instructions on how to disassemble and reassemble your valve using the Dymax Model 826 rebuild kit.

Model 826 Disposable Fluid Path Dispense Valve

The Model 826 is a pneumatically operated, normally closed pinch valve. This dispense valve dispenses a wide variety of materials, and is specifically designed to dispense thicker, stringy materials with ease. The valve is highly precise and obtains its precision from lockable controls that facilitate the adjustment of three critical parameters: the flow rate through the valve, the amount of tube closure, and suck-back.

Part Numbers

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T17586

Model 826 Valve with 0.25″ [0.63 cm] OD polyethylene tubing

Global (CE Marked)

T11146

DVC-345 valve controller

Global (CE Marked)

T15279

Lab stand – 24″ [60.96 cm]

Global (CE Marked)

T15449

Lab stand – 8″ [20.32 cm] with mounting rods

Global (CE Marked)

T16629

High-precision regulator

Global (CE Marked)

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