Neles Metso T2 Series Installation Maintenance And Operating Instructions Download Page 1 | Manualshive

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TOP ENTRY BALL VALVE

Series T2

Installation, Maintenance and
Operating Instructions

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Summary of Contents for Metso T2 Series

Page 1: ...1 T 70 en 12 2008 TOP ENTRY BALL VALVE Series T2 Installation Maintenance and Operating Instructions...

Page 2: ...TATION RECEPTION AND STORAGE 4 3 INSTALLATION AND USE 5 3 1 General 5 3 2 Installing in the pipeline 5 3 3 Actuator 5 3 4 Start up 6 4 SERVICING 6 4 1 General 6 4 2 Replacing the gland packing 6 4 3 R...

Page 3: ...age rates Soft seated ISO 5208 leakage rate B Dimensions see Section 11 Weight see Section 11 NOTE As the use of the valve is application specific a number of factors should be taken into account when...

Page 4: ...t in uncontrolled pressure release Always isolate the relevant part of the pipeline release the pressure from the valve and remove the medium before dismantling the valve Be aware of the type of mediu...

Page 5: ...if necessary supported by flaky arched supports on the machined part or pref erably Fig 8 on the part of pipeline next to the valve After welding the piping should be carefully cleaned and flushed bef...

Page 6: ...can be carried out by the end user The numbers in parentheses refer to the parts list and the exploded view of the valve in Section 10 if not oth erwise stated 4 2 Replacing the gland packing If the...

Page 7: ...5 Removing the valve from the pipeline Make sure that the pipeline is empty and unpres surized and that there is no medium flowing to the pipeline while the valve is being serviced Carefully attach t...

Page 8: ...bellows 4 7 Checking the parts of a dismantled valve 4 7 1 Seats Seat T Check the sealing and back surfaces of the seat ring 7 the support ring 35 and the o ring 63 Sealing surfaces may require lappi...

Page 9: ...Standard construction Bearings are of PTFE with stainless steel net Check that the bearing strips and replace if nec essary Hi temp construction Bearings are of stainless steel with hard coating or s...

Page 10: ...NG THE VALVE The hydraulic body test shall be carried out after the reassembly Test pressure shall be in accordance with an applica ble standard Use the pressure required by the pres sure class or the...

Page 11: ...sitions by means of the actuator stop screws located at both ends see Fig 24 An accurate open posi tion can be seen in the body flow bore Check that the yellow arrow on the actuator indi cates the bal...

Page 12: ...n a valve body number of the parts list part number name of the part and quantity required This information can be found from the identification plate or documents NOTE Metso accepts no responsibility...

Page 13: ...Trunnion bearing 5 1 Trunnion bearing 7 1 Ball seat 8 1 Bonnet 9 1 Gland 10 1 Key 12 Stud 14 Stud 16 Hexagon nut 18 Hexagon nut 19 1 ID plate 35 2 Secondary seat S T G 60 1 Bearing strip 61 1 Bearing...

Page 14: ...368 215 9 89 50 8 348 9 52 58 35 39 1 163 60 167 224 22 5 1 1 8 95 T2H 03 80 470 266 7 125 76 2 447 12 7 80 45 50 4 201 70 225 300 22 5 1 1 2 205 T2H 04 100 546 311 1 150 507 12 7 90 55 60 6 218 80 28...

Page 15: ...metal bearings one way tight E Single seated PTFE bearings one way tight H High temperature metal bearings double seated S Subsea construction Y Special 4 sign SIZE in 02 03 04 06 08 10 12 14 16 18 20...

Page 16: ...ocaba S o Paulo Brazil Tel 55 15 3235 9700 Fax 55 15 3235 9748 49 Asia Pacific 238A Thomson Road 25 09 Novena Square Tower A 307684 Singapore Tel 65 6511 1011 Fax 65 6250 0830 China 19 F the Exchange...

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