Alfa Laval Flo-Diversion Valve U7000

TR2 and Elastomer seat ring replacement

Remove old seal ring without damaging metal parts

Pre-mount plug seal without pressing it into the groove

Squeeze plug seal into the groove using opposite pressure points

Release compressed air behind plug seal

Place the plug element on a firm support

Partially and carefully cut through the upper ring portion of the TR2 plug avoiding contact with stainless steel stem

Force apart both cut ends of the plug for removal from stem

Warning: Always handle lye and acid with great care

Warning: Never touch the valve or the pipelines when sterilizing

Clean the plug and the seats correctly

Warning: Lift and lower valve plug momentarily!

Warning: Avoid excessive concentration of the cleaning agent

Adjust the cleaning flow to the process

Rinse well with clean water after the cleaning

NOTE! The cleaning agents must be stored/disposed of in accordance with current rules/directives

Temperature sensing element of the Safety Thermal Limit Recorder Controller is below legal pasteurization temperature

Flow promoting device (timing pump) is operating properly

Upload a photo of the ThinkTop cover hold down screws before breaking the seal wire

Gauge spacer installed at top of magnet

Spacer between the stem and magnet removed

Enter the air applied to the actuator for normal operating conditions

Flow promoting device (timing pump) does not start when the selector switch is in the “Product” position

Valve is properly and completely reassembled

Upload statistics for planning of inspections

Replace actuator bushings complete depending on working conditions

Replace actuator bushings complete when possible, after leakage (leakage normally starts slowly)

Lubricate before fitting with Molykote Long term 2 Plus

Unscrew and remove top and bottom bushings with O-rings

Lubricate O-rings with Molykote Longterm 2 plus before fitting

Tighten brushing with a torque = 7 lbf-ft (10Nm)