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VMS - Rev.02

26.04.2004

Removing the Process Diaphragm

•

Move the valve to the open position

•

Remove the fasteners

•

Move the valve to the closed position

•

Unscrew the diaphragm counter-clockwise or for the

button style push one side down with your index finger
while lifting the other side with your thumb

Содержание 653

Страница 1: ...VMS Rev 02 26 04 2004 1 Aseptic Diaphragm Valves Maintenance Operating Guidelines ...

Страница 2: ...VMS Rev 02 26 04 2004 2 Maintenance Overview Travel Stops Diaphragm Replacement Torquing Guideline Accessories ...

Страница 3: ...cap screw Remove the handle invert it and remount it on the spindle Turn the handle clockwise until the resistance of the diaphragm seating is felt Turn the handle another 180 degrees Tighten the travel stop clockwise until it is tight against the bonnet Re assemble the handle and cap screw ...

Страница 5: ...hragm Move the valve to the open position Remove the fasteners Move the valve to the closed position Unscrew the diaphragm counter clockwise or for the button style push one side down with your index finger while lifting the other side with your thumb ...

Страница 8: ...install fasteners hand tight Bring the valve to the open position Close the valve Open manual and motorized valves 20 Cycle pneumatically actuated valves 3times prior to final tightening Tighten the bolts using a cross pattern Retighten after the system reaches operating temperature and pressure ...

Страница 10: ...lines Bolt Characteristics Property class of the bolt Bolt surface treatment Thread manufacturing rolled or machine cut Lubricants anti seize agents New or used friction factors Tightening procedure Diaphragm material properties Diaphragm compression should be 15 20 of original thickness ...

Страница 11: ...VMS Rev 02 26 04 2004 11 Diaphragm Compression Extreme ...

Страница 12: ...VMS Rev 02 26 04 2004 12 Diaphragm Compression Excessive ...

Страница 13: ...VMS Rev 02 26 04 2004 13 Optimum Compression ...

Страница 14: ...mbly 1 2 Remove the actuator cap to provide access to the fastening threads The first 1 assembly point is between the indicator stem and the actuator spindle The second 2 assembly point is between the stroke limiter and the actuator housing ...

Страница 15: ...VMS Rev 02 26 04 2004 15 Optimum Compression ...