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752V Series Diaphragm Valve
MAINTENANCE & PARTS GUIDE
Electronic pdf files of EFD
www.efd-inc.com/manuals.html.
IMPORTANT!
Save this Sheet.
Maintenance or
Supervisors
A NORDSON COMPANY
For EFD sales and service in over 30 countries,
contact EFD or go to www.efd-inc.com/contact
EFD, Inc.
East Providence, RI USA
800-556-3484; +1-401-434-1680 (outside the USA)
info@efd-inc.com
EFD International Inc.
Dunstable, Bedfordshire, UK
0800 585733 or +44 (0) 1582 666334
Ireland 00800 8272 9444
europe@efd-inc.com
EFD, Inc., Asia
China: +86 (21) 5854 2345
china@efd-inc.com
Singapore: +65 6896 9630 sin-mal@efd-inc.com
®
manuals are also available at
Forward to
Tool Crib
www.efd-inc.com
www.efd-inc.com
www.efd-inc.com/cn
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Related Manuals for Nordson EFD 752V Series
Summary of Contents for Nordson EFD 752V Series
- Page 1 752V Series Diaphragm Valve MAINTENANCE & PARTS GUIDE Electronic pdf files of EFD ® manuals are also available at www.efd-inc.com/manuals.html. IMPORTANT! Save this Sheet. Forward to Maintenance or Tool Crib Supervisors A NORDSON COMPANY For EFD sales and service in over 30 countries, contact EFD or go to www.efd-inc.com/contact...
- Page 2 Valve Disassembly and Reassembly Procedures 6. Thread on the new diaphragm and CAUTION: To prevent damage, the valve tighten with medium pressure. must be disassembled starting at the 7. Align the holes of the diaphragm fluid outlet end of the valve. with the appropriate holes in the air cylinder body by inserting a flat tip Fluid Body...
- Page 3 Piston O-ring Tools required: 11. Remove fluid body and diaphragm. 7/64” hex wrench 12. Remove stroke control knob and spring by turning counter-clockwise. 1/8” flat-tip screwdriver 13. Remove the piston retainer ring and 6” adjustable wrench anti-torque washer. 6” needle-nose pliers 14.
- Page 4 Troubleshooting Guide No fluid flow Fluid leaks out between fluid body and diaphragm • If valve operating air pressure is too low, the valve will not open. Increase air • Fluid leakage between the fluid body and pressure to 70 psi (4.8 bar) minimum. diaphragm indicates the annular seal- ing ridge on the fluid body is damaged or •...