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Fluid Dispensing

High Pressure Spool Valve


The High Pressure Spool Valve is based on a balanced spool design to create a fast ''ON/OFF'' fluid dispensing function that is not affected by material input pressure. The spool action displaces a portion of the material back into the nozzle during shut off. This creates an automatic ''suck-back'' anti-drip feature. An oil chamber is provided for use above the upper seal to create an additional liquid seal that will prevent moisture from being carried onto the spool. The design facilitates easy maintenance without the need for special tools. The valve is designed to be opened by air pressure and closed by a return spring (single acting). A port is provided so that the valve may be connected for air closing without the spring (double acting). 

The TS941 side ports can be rotated in to conveniently locate valve connections. The hardened spool slides in high quality seals and is suitable for use with materials having a viscosity of up to 3,000,000 cps at pressures of up to 2,500psi (172bar). Output is ¼ NPT allowing multiple tip termination.

Product includes:

  • Oiler
  • Valve air hose
  • Luer lock fluid line
  • Variety of Fluid inlet fittings

Key Features and Benefits:

  • High output
  • Handles higher fluid pressure than most other valves
  • Automatic suck-back after every dispense cycle
  • Suitable with moisture sensitive materials

  • Technical Specification


Fluid Inlet Port:  3/8'' NPT Female
Fluid Outlet Port: ¼'' NPT Female
Aux Air Inlet Port: 1/8'' Female
Min Air Pressure: 70 psi (4.8bar)
Max Fluid Pressure: 2500 psi (172.4bar)
Mounting Port: N/A
Viscosity Range: 1- 3 000 000cps
Wetted Parts: 303 SS, hard Chrome plated stainless steel, UHMWPE, EPR
Operating Frequency: 400+ cycles/min

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