EFD 725HF INSTALLATION GUIDE

Introduction
The 725HF Series is simple to use and will operate many millions of cycles without maintenance.
The unique design of the 725HF Series valve provides a clean fluid cutoff with pullback for precise fluid application at high cycle rates.
Each 725HF-SS and 725HF-A valve is shipped with a dispensing tip adapter, fluid inlet fitting and 5-foot actuating air hose installed. For high-flow applications, the dispensing tip adapter can be removed for installation of 1/4 NPT metal or plastic nozzles.
The 725HF-A is identical to the 725HF-SS, except the fluid body and cap are acetal copolymer, and the shaft and the sealing-head screw are Teflon®-coated stainless steel.
725HF High Flow Series Dispense Valves
INSTALLATION GUIDE
USA: 800-556-3484 or +1-401-434-1680 Europe: 0800 585733 or +44 (0) 1582 666334 Asia: +86 (21) 5854 2345 technical@efd-inc.com www.efd-inc.com
Electronic pdf files of EFD®manuals are also available at www.efd-inc.com/manuals.html.
®
A NORDSON COMPANY
supply line
Inlet fitting
Fluid
Control air hose
Air cylinder cap
Air cylinder
Wrench flats
Body cap
Nozzle
Installation
Set desired deposit size by adjusting valve open time. Refer to valve controller operating manual.
9
1. Mount valve with an EFD universal valve
mount (#7002VM) or other fixture.
2. Connect the fluid feed hose to the fluid
inlet fitting (#72608P is installed for use with 3/8” OD tubing and reservoir.
3. Connect valve control air hose to
ValveMate
controller (or other pneumatic
switch) used to control valve open time.
4. Install nozzle to the valve output.
5. Fill reservoir by pouring fluid directly into
tank liner or manufacturer’s bottle placed inside reservoir. Secure cover prior to setting pressure.
6. Set reservoir pressure, to low for thin
fluids and higher for thick fluids.
7. Place a cup under the dispensing tip
or nozzle and actuate the valve until fluid lines, valve and dispensing tip are free of air.
8. Set desired flow rate by adjusting fluid
reservoir or changing dispensing tip or nozzle.
9. Set desired deposit size by adjusting
valve open time. Refer to valve controller operating manual.
7
Air Output
Exhaust
Prior to installing this valve, please read the associated reservoir and valve controller operating instructions to become familiar with the operation of all components of the dispensing system.
1
6
4
2
5
3
8
To exhaust
To pressurize
A NORDSON COMPANY
®
Steady
Test
Run
Setup Program
Time Set
Clear
Fast Slow
POWER
RUN
SETUP
CYCLE
Fast Slow
Time Set
Pressure
STOP
Time
Purge
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