Neles XG Series Installation Maintenance And Operating Instructions Download Page 20 | Manualshive

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1X72

9/2
020

Neles

Vanha Porvoontie 229, 01380 Vantaa, Finland.
Tel. +358 10 417 5000.

neles.com

Subject to change without prior notice. Neles, Jamesbury and Easyflow by Neles, and certain other
trademarks, are either registered trademarks or trademarks of Neles Corporation or its subsidiaries or
affiliates in the United States and/or in other countries. For more information www.neles.com/trademarks

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Summary of Contents for XG Series

Page 1: ...1X72EN 9 2020 Trunnion mounted full bore MBV Ball valve Series XG XM Installation Maintenance and Operating Instructions...

Page 2: ...6 MAINTENANCE 6 Maintenance general 6 Changing the gland packing while the valve is in the pipeline 6 Repair of a jammed or stuck valve while it is in the pipeline 8 Detaching the actuator 8 Removing...

Page 3: ...manding throttling and shut off service with high pressure differentials 1 3 Markings Body markings are cast or stamped on the body see Fig 2 The identification plate Fig 3 is attached to the flange I...

Page 4: ...eeding the limitations marked on the valve may cause damage and lead to uncontrolled pressure release Damage or personal injury may result CAUTION Do not dismantle the valve or remove it from the pipe...

Page 5: ...ecommend installing the valve with the actuator on the underneath side because dirt in the pipeline may then enter the body cavity and damage the gland packing The position to be avoided is shown in F...

Page 6: ...nance intervals can be specified together with your local Neles experts During this periodic inspection the parts detailed in the Spare Part Set should be replaced Time in storage should be included i...

Page 7: ...the valve during the operation Loosen the gland nuts Place the disc spring sets 150 on the gland studs as applicable Retighten the nuts 18 to the torque Tt or so that the disc springs are compressed t...

Page 8: ...prevent the seat from falling from the body cap and detach it later Don t leave your fingers between the body cap and the surface Stand the removed body cap on its pipe flange Remove the seat 7 from...

Page 9: ...ck seal 63 into the seat 7 See Figure 18 Place the seat into the body counterbore L seats L seats Measure the 0 torque of the valve It should be acc to Table 2 0 torque shall be adjusted with graphite...

Page 10: ...ace the body cap 2 carefully over the body studs 12 and the body 1 See that the flange holes are aligned acc to the mark made during the dismatling Take care not to damage the body gasket and the seat...

Page 11: ...18 An accurate open position can be seen in the body flow bore Check that the yellow arrow on the actuator indicates the ball flow opening position Keep fingers out of the flow bore There is no need f...

Page 12: ...no responsibility for compatibility of actuators not installed by Neles Symptom Possible fault Recommended action Leakage through a closed valve Wrong stop screw adjustment of the actuator Adjust the...

Page 13: ...63 63 10 12 1 64 64 18 7 89 5 70 71 8 17 69 9 150 91 99 7 89 99 91 3 66 14 13 Item Qty Description Spare part category 1 1 Body 2 1 Body cap 3 1 Ball 3 5 1 Shaft 3 7 1 or 2 Seat S T 2 1 or 2 Seat H 8...

Page 14: ...2 1 or 2 SEAT S T 1 or 2 SEAT B 8 1 BONNET 9 1 GLAND 10 1 KEY 3 12 STUD 13 STUD 14 STUD 16 HEXAGON NUT 17 HEXAGON NUT 18 HEXAGON NUT 19 1 IDENTIFICATION PLATE 36 1 ANTI STATIC SPRING 3 62 1 or 2 SPRI...

Page 15: ...5 95 68 1001 500 F30 F35 914 495 5 700 885 487 811 665 22 23 85 95 68 1304 600 F25 F30 F35 F40 1067 571 5 815 1041 589 987 831 22 23 95 105 87 2087 B1 O R E K M P B A A1 DN D S V U W DN 450 600 DN 250...

Page 16: ...0 38 1 57 1 74 496 10 F14 F16 F25 F30 22 38 11 18 17 50 22 83 10 0 22 13 18 58 0 50 2 17 2 39 727 12 F14 F16 F25 F30 25 50 12 76 20 50 25 67 12 0 23 82 20 28 0 50 2 17 2 39 1345 14 F16 F25 F30 F35 30...

Page 17: ...3 M10 297 239 67 52 200 5 M12 357 282 81 66 250 10 M14 435 345 93 89 457 18 M15 532 406 105 123 457 31 M16 642 466 126 154 610 45 Type Dimensions in lb F G J V Z M07 7 72 5 98 2 28 1 52 4 92 6 M10 11...

Page 18: ...8 68 B1C17 30 31 21 46 13 82 3 07 8 46 1 2 119 B1C20 33 07 22 64 15 16 3 82 8 46 1 2 161 B1C25 40 94 27 95 17 64 4 76 10 43 1 2 289 B1C32 52 36 35 83 20 67 6 02 15 55 3 4 564 B1C40 65 35 45 28 23 43...

Page 19: ...P 316SS XM 19 Nitronic 50 soft seats ball without coating RX 316SS CrC Chrome carbide XM 19 Nitronic 50 only with metal bearings RR 316SS WC Co Tungsten carbide XM 19 Nitronic 50 SL 316SS NiBo XM 19 N...

Page 20: ...ect to change without prior notice Neles Jamesbury and Easyflow by Neles and certain other trademarks are either registered trademarks or trademarks of Neles Corporation or its subsidiaries or affilia...

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