EFD : A Nordson Company
Compact diaphragm valve for fine flow control.


The 752V Series dispense valve systems accurately control the application of most low to medium viscosity fluids. The unique seal-less design incorporates an inert polymer diaphragm that isolates the actuator from the valve.

Valve open time can be as short as 15 milli-seconds.The adjustable open/close stroke (0.005" to 0.025") means very fast response and positive shutoff.

Model 752V-UHSS with UHMW* polymer wetted parts is used for dispensing solvents, cyanoacrylates,anaerobics and fluxes.

A light blocking acetal valve chamber on the 752V-SS provides consistent,bubble-free dispensing of UV-cure polymers.
*Ultra High Molecular Weight polyethylene
Features:
  • Compact size and weight
  • Adjustable fluid flow control
  • Positive shutoff, no seals
  • Easy cleaning
  • FDS-compliant wetted parts
  • Diaphragm life exceeds 100 million cycles
  • Cycle rate exceeds 500/minute
  • Low-maintenance design
  • The 752V Series valves are used with ValveMate 7000 controllers or an EFD ULTRA TT automation system for precise,repeatable outputs of low to medium viscosity fluids.

    The 752V Series wetted components are inert plastics and use the same actuating assembly and diaphragm. Each valve can be calibrated with the stroke reference knob for process control.

    The amount dispensed depends on valve open time, fluid pressure, fluid viscosity, flow adjustment and tip size.

    Valve: Size: Weight:
    752V-UHSS 3.13" x 1.060" diameter
    (79.5mm x 26.9mm)
    6.12oz (173.6 grams)
    752V-SS 3.13" x 1.060" diameter
    (79.5mm x 26.9mm)
    6.4oz (181.4 grams)
    752V 3.13" x 1.060" diameter
    (79.5mm x 26.9mm)
    3.7oz (105 grams)
    Specifications:
    Actuating air pressure required: 70 psi (4.8 bar)
    Maximum fluid pressure 70 psi (4.8 bar)
    Fluid inlet thread: 1/8 NPT
    Fluid outlet thread: 1/4-28 UNF
    Mounting: (1) 10-32 UNF tapped hole
    Cycle Rate: Exceeds 500 per minute
    Air cylinder body: 752V-UHSS: Type 303 stainless steel
    752V-SS: Type 303 stainless steel
    752: Hard-coated aluminum
    Fluid chamber: UHMW* polyethylene, FDA approved
    Fluid chamber options: Acetal, 303 stainless steel
    Piston " piston rod Type 303 stainless steel
    Tip adapter: Polypropylene
    Diaphragm: UHMW* polyethylene, FDA approved
    Diaphragm option: Teflon™
    Wetted parts: Fluid chamber, diaphragm, tip adapter
    All stainless steel parts are passivated.
    *Ultra High Molecular Weight polyethylene


    Diaphragm valve systems
    The complete system includes the 752V Series valve, ValveMate 7000 controller, the fluid reservoir and dispense tip.

    Expert technical assistance and high quality standards ensure productive, trouble-free performance. EFD offers a full line of reliable dispensing systems to meet your specific application requirements.

    ValveMate™ 7000 Controller
    Valve open time is the primary control of deposit size. The ValveMate™ controller puts push-button adjustment of valve open time where it needs to be - at the valve.
  • Partner to Programmable Logic Controller (PLC)
  • Easy deposit size control
  • Increased production output
  • End user convenience
  • On-the-fly adjustability
  • Maximum machine efficiency

  • Optional: XYZ Dispensing System
    The EFD Ultra™TT xyz dispensing system incorporates all functions of the ValveMate™. Compact 3- or 4-axis tabletop system offers consistent deposit repeatability.
    Work area: 325x325x100mm or 525x525x100mm.
    Fluid Reservoires
    EFD reservoires are supplied with precision, constant-bleed regulators to ensure consistent fluid pressure to the valve.

    Tank reservoires are available in 1.0, 5.0 and 19.0 liter capacities. Cartridge sizes range from 2.5 to 32 ounces.

    Note: The 1.0 liter tank accepts a 1 lb. bottle of cyanoacrylate.
    Dispense Tips
    Tip Selection is critical to achieve optimum valve performance. 752V Series valves are packaged with an Ultra™ dispensing tip kit for maximum fluid control. The kit includes smooth-flow tapered tips in sizes from 14 to 25 guage, precision stainless steel tips in sizes from 14 to 21 guage, and tip caps.
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