a TERRANOVA® Srl brand - www.terranova-instruments.com - VAT IT07848810151
Factory & Sales: Via Gramsci 1 –26827 Terranova dei Passerini (LO) –Italy
Head Office: Via Rosso Medardo 16 –20159 Milano –Italy Ph: +39 0377 919119 –Fax: +39 0377
855720
1
DESCRIPTION..........................................................................................................................4
2
DEFINITION AND SYMBOLS......................................................................................................4
3
SAFETY INFORMATIONS ..........................................................................................................5
3.1
Intended Use.....................................................................................................................5
3.2
Access...............................................................................................................................5
3.3
Lighting ............................................................................................................................5
3.4
Hazardous Fluids In The Pipe .............................................................................................5
3.5
Environmental Situations ..................................................................................................5
3.6
Temperature.....................................................................................................................5
3.7
System..............................................................................................................................6
3.8
Pressurized Systems ..........................................................................................................6
3.9
Tools And Consumable Parts .............................................................................................6
3.10
Protection Clothes...........................................................................................................6
3.11
Qualification Of The Operators In Charge Of The Works...................................................6
3.12
Handling .........................................................................................................................7
3.13
Freezing ..........................................................................................................................7
3.14
Other Risks......................................................................................................................7
3.15
Disposal ..........................................................................................................................7
3.16
Risk Of Corrosion And/Or Erosion ....................................................................................7
4
INSTALLATION.........................................................................................................................8
4.1
Fitting The Valve To The Pipe ............................................................................................9
5
ACTUATOR CONNECTION.......................................................................................................10
5.1
Pneumatic Actuator Connection ......................................................................................10
5.2
Connection Of Electric Actuator....................................................................................... 10
6
MAINTENANCE......................................................................................................................11
6.1
Replacement Of Actuator Diaphragm..............................................................................11
6.2
Replacement Of On/Off Piston Disc On/Off Valve ............................................................13
6.3
Valve / Actuator Separation............................................................................................ 14
6.4
Replacement Of The Seat/Plug Of The Standard Valve..................................................... 15
6.5
Replacement Of The Seat/Plug Of The Valve With Quick Change Seat..............................16
