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752V Series Diaphragm Valve 

MAINTENANCE & PARTS GUIDE

IMPORTANT!

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Maintenance or 

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Supervisors

Electronic pdf files of EFD

®

manuals are also available at 

www.efd-inc.com/manuals.html.

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)
[email protected]

www.efd-inc.com 

EFD International Inc.

Dunstable, Bedfordshire, UK
0800 585733 or +44 (0) 1582 666334
Ireland 00800 8272 9444
[email protected]

www.efd-inc.com

EFD, Inc., Asia

China: +86 (21) 5854 2345
[email protected]

www.efd-inc.com/cn

Singapore: +65 6896 9630 [email protected] 

A NORDSON COMPANY

Содержание 752V Series

Страница 1: ... 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 www efd inc com EFD International Inc Dunstable Bedfordshire UK 0800 585733 or 44 0 1582 666334 Ireland 00800 8272 9444 europe efd inc com www efd inc com EFD Inc Asia China 86 21 5854 2345 china efd inc com www efd inc com cn Singapore 65 6896...

Страница 2: ...nds Acetal black 1 58 Nm 14 inch pounds UHMW yellow 0 79 Nm 7 inch pounds Stainless steel 1 58 Nm 14 inch pounds Ultra High Molecular Weight 6 Thread on the new diaphragm and tighten with medium pressure 7 Align the holes of the diaphragm with the appropriate holes in the air cylinder body by inserting a flat tip screwdriver through the hole in the stroke control knob and engage piston rod slot 8 ...

Страница 3: ...tainer ring and anti torque washer 14 Remove the piston 15 Lubricate O ring piston shaft and air cylinder wall with Nye Lubricant 865 16 Reinstall components in reverse order of disassembly Replacement Parts for Specific Valve Models Fluid Body Model UHMW Acetal Stainless Fluid Inlet Fitting Tip Adapter Diaphragm 752V n a 7521E 7521E SS 7543BP 1 4 OD Tube 7536BP 7510 752V SS 752V UH 7521F n a 7521...

Страница 4: ...ady drip also indicates failure of the diaphragm to close fully due to par ticle build up or wear In either case replace the sealing head in accordance with the maintenance instructions Fluid leaks out between fluid body and diaphragm Fluid leakage between the fluid body and diaphragm indicates the annular seal ing ridge on the fluid body is damaged or the fluid body is distorted due to exces sive...

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