Emerson KTM VIRGO E Series Installation, Operation And Maintenance Instructions Download Page 13

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10a

10b

16a

11a

10c

10d

21a

15a

11b

14a

KTM

VIRGO SERIES E & U TOP ENTRY TRUNNION BALL VALVE

INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS

11.3.3 General arrangement view

E and U series top entry ball valve

Construction: One-piece
Type: Integral trunnion

PARTS LIST

Item No. Part name

Body

Bonnet

Seat ring

Spring holder ring

Retainer ring

Ball

Stem

Housing

Bearing retainer

ISO pad

Stem key

Body o-ring

10a

Seat o-ring

10b

Grease retaining o-ring

10c

Stem o-ring

10d

Housing o-ring

Body gasket

11a

Stem gasket

11b

Housing gasket

Body studs

Body nuts

Housing capscrew

14a

ISO pad capscrew

Springs

15a

Antistatic spring

Stem grease fitting

16a

Nipple

Seat grease fitting

Check valve

Vent bleeder valve

Drain plug

Ball bushing

21a

Stem bushing

Stem thrust washer

Ball thrust washer

Item No. Part name

Stem detail

SECTION C-C

Position Nr.

Drain plug detail

Position Nr.

Vent bleeder detail

Stem detail

Summary of Contents for KTM VIRGO E Series

Page 1: ...unnion Ball valve manufactured and supplied by Emerson Applicable to Soft Metal seated Cast EL UL subseries WARNING Always use Personal Protective Equipment PPE when carrying out above activities 2 RECEIPT HANDLING AND STORAGE Identify the valve contained in the box using the packing list fixed on the box While loading and unloading the box check for handling instructions symbols marked on the box...

Page 2: ...specified by the customer identify the valve using tag number stamped on the name plate or tag plate affixed to the valve Lifting straps Body marking Name plate Size matl heat no WARNING Do not lift from the top flange of stem extension Always use lifting hooks for lifting of stem extension Provide proper support from here to prevent toppling FIGURE 3 FIGURE 5 FIGURE 4 After removing from box alwa...

Page 3: ...p to DN 100 NPS 4 support to be provided at a distance of 2D to 3D from both valve ends For sizes DN 150 NPS 6 and higher support to be provided at distance D from both valve ends where D is the nominal diameter of pipeline For removing mounting support stand from valve assembly lift the valve above ground level by using appropriate material handling lifting equipment Refer handling section of thi...

Page 4: ...R OPERATOR OPEN CLOSE ADJUSTMENT HAS BEEN DONE PRIOR TO SHIPMENT AND MUST NOT BE CHANGED Rotation of hand wheel in the clockwise direction closes the valve and counterclockwise rotation opens the valve It is recommended that the valve should be opened and closed slowly to prevent hammering effect on the valve and pipeline If the valve is not operating to fully open or fully close position and or l...

Page 5: ...s Gear operator setting to be done as given in Section 5 3 5 3 Procedure for gear operator setting CAUTION If the valve has been supplied by Emerson with the gear operator assembled on the valve open close adjustment has been done prior to shipment and must not be changed In case of gear operator replacement or mounting of new gear operator on bare shaft valve the steps below shall be followed Fig...

Page 6: ...facturers like Climax Lubricants and Equipment Co Sealweld etc Sealant injection fitting Type A standard supply See Figure 13 Seat sealant injection Fully close the valve Remove the fitting end cap and slide giant buttonhead coupler Climax model 1699 1700 on sealant fitting Inject sealant into each of the sealant fitting Injection pressure shall be more than pipeline pressure but shall not exceed ...

Page 7: ...r temperature limits of the valve Do not exceed pressure and or temperature limits mentioned on name plate affixed to the valve 2 Valve material not suitable for service fluid Check Tag number as applicable and ensure correct valve is used as per process diagram Verify valve material mentioned on Name plate is suitable with service fluid 3 Use for control application These ball valves are designed...

Page 8: ... clean actuator vent Leakage through stem 1 Loose gland fasteners 1 Tighten the fasteners 2 Damaged stem stem sealing surface 2 Refurbish or replace the stem 3 Damaged stem seal 3 Replace the stem seal 4 Accumulation of dirt debris corrosion between stem and housing 4 Open valve clean and reassemble Leakage through body to bonnet joint bonnet to housing joint 1 Damaged seal gasket 1 Replace seal g...

Page 9: ...s uncompressed position Use bypass valves or completely shut off the process to isolate the valve from process pressure Relieve process pressure from both sides of the valve Drain the process media from both sides of the valve Ball valves can retain pressure and process fluid in cavity even after process pressure has been removed from both sides of the valve Relieve this pressure before disassembl...

Page 10: ...ll in fully closed position and then remove the operator from valve assembly Valve shall be positioned on clean and flat surface as shown in Figure 14 It is recommended to use original spares Graphite gaskets shall be replaced Elastomer and plastomer seals can be re used however it is recommended to replace them to maximize valve service life Protect every sealing surface from nicks dents and dama...

Page 11: ...o 12 9 Push the stem 5 out of its housing on the bonnet 2 10 Remove stem o rings 10c and backup rings if provided from bonnet and then remove graphite stem gasket 11a FIGURE 15 11 Remove stem thrust washer 22 from the stem 12 Insert the two hydraulic pistons inside body cavity and clamp the external profile of the spring holder ring 3a Refer assembly tool view 11 3 4 and Figure 15 13 Close the hyd...

Page 12: ...e hydraulic pistons from body 12 If the stem was disassembled from housing follow instructions from 13 to 16 otherwise go to Section 17 13 Insert stem thrust washer 22 over the stem 5 14 Insert stem o rings 10c along with backup rings 10c if provided inside the housing 6 KTM VIRGO SERIES E U TOP ENTRY TRUNNION BALL VALVE INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 15 Install o ring 10d and...

Page 13: ... ring 4 Ball 5 Stem 6 Housing 7 Bearing retainer 8 ISO pad 9 Stem key 10 Body o ring 10a Seat o ring 10b Grease retaining o ring 10c Stem o ring 10d Housing o ring 11 Body gasket 11a Stem gasket 11b Housing gasket 12 Body studs 13 Body nuts 14 Housing capscrew 14a ISO pad capscrew 15 Springs 15a Antistatic spring 16 Stem grease fitting 16a Nipple 17 Seat grease fitting 18 Check valve 19 Vent bleed...

Page 14: ...ALL VALVE INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 11 3 4 Assembly tool view Quantity Nr 2 For maintenance 1 valve Seat holder connection Seat holder connection Hydraulic piston double effect Hydraulic quick coupling female Close Open ...

Page 15: ...ur and hence PR pressure relief valve is mandatory with pre setting to avoid over pressure building in the cavity 13 GLAND PACKING ASSEMBLY PROCEDURE 1 In case of packing contain braided graphite it shall be placed at bottom and top Position of packing arrangement such that the oblique cut of these braided graphite is 180 apart Refer Figure below for appropriate arrangement for die molded and for ...

Page 16: ... 00 4298 1602 2696 5626 4572 2488 927 1561 3257 2646 M56 5 50 5343 1991 3352 6995 5683 3098 1155 1943 4056 3295 M60 5 50 6624 2469 4155 8671 7046 3824 1425 2399 5006 4067 KTM VIRGO SERIES E U TOP ENTRY TRUNNION BALL VALVE INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 14 RECOMMENDED TIGHTENING TORQUES FOR FASTENERS AND PLUGS NOTES 1 Ensure that all the nuts bolts are tightened to the torque v...

Page 17: ... ENTRY TRUNNION BALL VALVE INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS FOR IMPERIAL SERIES Nm Thread size Inch TPI Non coated bolts nuts Coated bolts nuts Low resistance bolt stud material High resistance bolt stud material Low resistance bolt stud material grade High resistance bolt stud material L7M B7M B8M Class 1 B8M Class 2 L7 B7 Gr 660 L7M B7M B8M Class 1 B8M Class 2 L7 B7 Gr 660 FOR...

Page 18: ...lely from faulty materials and workmanship within a period of 18 calendar months after the original goods shall have been first dispatched or 12 calendar months from the date of commissioning whichever is earlier provided that such defective parts are returned free to our works for examination The undertaking shall exclude any and every other obligation CAUTION Emerson does not assume responsibili...

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