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Wafer-Sphere®

14" – 20" Butterfly Valve

Installation, Maintenance and
Operating Instructions

IMO-15 • 2/2015

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Содержание Jamesbury Wafer-Sphere Series

Страница 1: ...Wafer Sphere 14 20 Butterfly Valve Installation Maintenance and Operating Instructions IMO 15 2 2015 ...

Страница 2: ...AD THESE INSTRUCTIONS FIRST These instructions provide information about safe handling and operation of the valve If you require additional assistance please contact the manufacturer or manufacturer s representative Addresses and phone numbers are printed on the back cover See also www metso com valves for the latest documentation SAVE THESE INSTRUCTIONS Subject to change without notice All tradem...

Страница 3: ...t the top and bottom of the seat Because the disc rotates off the seat in an eccentric arc it operates in one quadrant only See Fig 7 Positive Stop Feature To prevent seat damage from over travel of the disc beyond the closed position primarily during field mount ing of a handle or actuator a positive stop feature has been designed into the latest model Wafer Sphere butter fly valve The positive s...

Страница 4: ...he wafer will result INSTALLATION I FULL PRESSURE RATING ELASTOMER SEATED WAFER SPHERE VALVES In general for full pressure rating all elastomer seated Wafer Sphere butterfly valves should be installed with the disc face toward the higher pressure shaft down stream Butt weld piping flanges are recommended for high pressure valves II METAL SEATED WAFER SPHERE VALVES Metal seated Wafer Sphere butterf...

Страница 5: ...ightening down the compression plate periodically to compensate for seal wear The valve should be closed during tightening The compression plate however should not be tightened down too severely since this will shorten the life of the seals Overhauling the valve consists of seat seals and bearing replacement Follow the disassembly and assembly instructions when overhauling the valve All precaution...

Страница 6: ...6 2 Shaft bearing 7 1 Spacer 8 2 Shaft seal 9 1 Compression ring 10 1 Compression plate 11 1 Pressure plug 14 20 13 4 Taper pins 14 2 Stud 15 4 Jam nut 16 4 Lockwasher 21 No varies Socket cap screw with size 23 2 Pipe plug 24 1 Lantern ring 26 1 Indicator plate 27 2 Drive screw 29 1 Indicator pointer ...

Страница 7: ...ace the old packing with new packing NOTE Keep the packing rings stacked in the same order as removed from kit 6 Remove the spacer 7 only if complete disassem bly is necessary VI Bearing Replacement 1 Remove the wafer pin welds by grinding or machining off the weld Drive out the taper pins in the direction shown in diagram Fig 4 2 Remove the pressure plug 11 3 Use a soft rod and hammer to tap the ...

Страница 8: ... Recommended torque values are as follows NOTE Type ST MS safety return actuators can only operate in the fail close direction 2 Quadra Powr Sprinq Diaphragm Actuators Follow the instructions for adjustment of ST MS actuator with the following exceptions a The Quadra Powr has no acorn nuts on the stop screws b Because the stop screws can be held in position while tightening the jam nuts there is n...

Страница 9: ...all the seat and insert Bolt the insert in place using proper sequence to tighten cap screws See the dia gram 11 Tighten the compression plate 10 by tightening the nuts until they touch the plate then tighten each another 3 4 of a turn 12 Install pipe plugs 23 in the leak off holes using TFE tape To Change Actuator Quadrant or Linkage Installation See Fig 6 If it is necessary to orient the actuato...

Страница 10: ...10 IMO 15 ...

Страница 11: ...IMO 15 11 ...

Страница 12: ... Sorocaba São Paulo Brazil Tel 55 15 2102 9700 fax 55 15 2102 9748 49 Asia Pacific Haw Par Centre No 06 01 180 Clemenceau Avenue 239922 Singapore Singapore Tel 65 6511 1011 fax 65 6250 0830 China 19 F the Exchange Beijing No 118 Jianguo Lu Yi Chaiyang Dist 100022 Beijing China Tel 86 10 6566 6600 fax 86 10 6566 2575 Middle East Roundabout 8 Unit AB 07 P O Box 17175 Jebel Ali Freezone Dubai United ...

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