Spirax Sarco Control Valve TDS83

Observe the 'Safety information' in Section 1

Inspect the valve for wear and tear, replacing any worn or damaged parts

Replace high temperature graphite packed seals

Replace all soft seals and gaskets

Apply a light smear of PTFE based grease to mating parts before reassembly

Observe the 'Safety information' in Section 1

Warning for Stainless Steel Valves

Take care to prevent galling or cold welding when dismantling or reassembling stainless steel parts

Apply a light smear of PTFE based grease to mating parts before reassembly, if application permits

Replacement of Graphite Gland Packing

Remove components and ensure cleanliness

Ensure groove is clean and undamaged, replace with new item

Observe the 'Safety information' in Section 1

Stainless Steel Valve Handling Precautions

Apply a light smear of PTFE based grease to mating parts before reassembly if application permits

Lift out the seat retaining cage (5)

Remove and discard the seat back gasket (7)

Observe the 'Safety information' in Section 1

Apply PTFE based grease to mating parts if application permits

Ensure valve is depressurised and clear of media

Remove the actuator from the valve

Unscrew the stuffing box nuts (18)

Undo and remove the bonnet nuts (27)

Remove the bonnet (2) and plug and stem assembly (8)