Inoxpa Valve VA47-0-77-04-78-040

Place the O-ring (20A) on the leak detector shaft (08)

Place the O-ring (20D) on the leak detector drive bushing (17C)

Place the O-rings (20C,20D) on the leak detector body (01A)

Assembly of Leak Detector Components

Pass the leak detector shaft (08) with its O-rings through the bottom part of the leak detector body (01A)

Place the spring (06) on the leak detector body (01A)

Place the leak detector drive bushing (17C) and pass the pin through its hole to fix the shaft

Verify seal material compatibility

Check concentration of cleaning solutions

Perform final rinse with clean water

Measure NaOH for alkaline solution (1 kg NaOH + 100 l H2O)

Measure NaOH for alkaline solution (2.2 l NaOH 33% + 100 l H2O)

Disconnect the compressed air from the actuator

Disassemble the upper protectors by unscrewing the screws that join them to the actuator support

Remove the screw that joins the bottom protectors and the bottom leak detectors to the valve body

Unscrew the screws to separate the fixed bottom protector from the mobile

Loosen the screws which join the flanges to the half-bodies

Remove the screws which join the actuator support to the half-bodies

Remove the pin which joins the connecting rod to the actuator

Remove the screw which joins the connecting rod to the disc shaft

Ensure all parts are in perfect condition and free from dirt

Lubricate the disc shaft with the specified grease

Lubricate the seat seal with the specified grease

Insert the long disc spindle into one of the seal holes

Stretch the seal to insert the short spindle in the free gasket hole

Turn the disc until it is perpendicular to the seal

Proceed with caution to avoid personal injury.

Disconnect the compressed air before starting to disassemble the valve.

Read instructions carefully before disassembling the valve clamps.

Ensure only qualified persons perform valve and actuator assembly and disassembly.

Gather the necessary tools for disassembly and assembly

Loosen the screws (23) joining the flanges (02A) to the half-bodies (02).