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Crane KROMBACH 510, Operating And Maintenance Instructions Manual, Page: 15 / 15

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Crane KROMBACH 510 Operating And Maintenance Instructions Manual Download Page 15

 

Tilting Disc Type Check Valves 

 

Date: 
prepared: 
approved: 
Page:

 

22.03.2005     
C.Wied             
H.Six             
14 of  14        

Operating instruction No.:

 

BUW-510/1-E

 

 

11.4.12. Before installation, test wether the valve is tight. In case of leakages, the complete sealing 

element is to be removed again and a sealing of 0.5 mm thinknes made of suitable material 
is to be put below it. After that the sealing element hast to be fastened again. 

Friedrich Krombach GmbH Armaturenwerke | Marburger Str. 364 | 57223 Kreuztal       
Tel: +49-2732-520 00  | Fax: +49-2732-520 100

 | 

www.krombach.com

                   

CRANE Energy Flow Solutions |

 

www.craneenergy.com

 

ONE TEAM 

•

 

ENERGIZED

 

•

 TO WIN  

 

Summary of Contents for KROMBACH 510

Page 1: ...Tilting Disc Type Check Valves 04 2005 Operations Manual No BUW 510 1 E Operating and Maintenance Instructions TILTING DISC TYPE CHECK VALVES TYPE 510 with lamellar sealing ...

Page 2: ...LLATION INTO THE PIPELINE 5 6 1 GENERAL 5 6 2 PREPARATION FOR INSTALLATION 5 6 3 INSTALLATION POSITION AND DIRECTION OF FLOW 6 6 4 STEPS FOR INSTALLATION 6 7 PRESSURE TESTING AND COMMISSIONING 7 8 NORMAL OPERATION AND MAINTENANCE 7 9 TROUBLESHOOTING GUIDE 8 10 DRAWINGS 9 10 1 LIST OF PARTS 9 10 2 DETAIL DRAWING TILTING DISC TYPE CHECK VALVE WITH FLANGES 10 10 3 DETAIL DRAWING TILTING DISC TYPE CHE...

Page 3: ...nction with the maximum permissible temperature is stated in the type plate of the armature Tilting disc type check valves should not be used for media which have a tendency to build up internal deposits The installation of the check valves in turbulent streaming before or behind a pipe elbow is not allowed Section 3 2 Safety instructions for the operator must be observed in using the armature 3 S...

Page 4: ...perated at temperatures 50 C or 20 C together with the pipeline connections must be protected against physical contact in order to protect the operator from injury installation maintenance and operation are carried out only by properly qualified personnel see DIN IEC 3 B 244 CDV 3 3 Special hazards Danger to life The valve has mounted a lever and weight The pivoting range is necessarily to be equi...

Page 5: ...kaging and or stored with the protective caps on the flange connections butt welding ends The armature should be stored and transported on a pallet or similarly supported even at the installation site when storing before installation valve must be stored in a sealed dry space the metallic seat of the armature the oil brake and the flange connection surfaces butt welding ends in particular must not...

Page 6: ... plate on the armature The connection data for the drive must agree with the data of the control system See type plate on the drive Danger to life Armatures whose pressure temperature range Rating is not sufficient for the operating conditions must not be operated the permitted value can be read from the type plate of the armature It is mandatory to obtain approval from KROMBACH where the armature...

Page 7: ...erted into the gap between the pipeline ends with the valve disc closed otherwise the valve disc could become damaged and the armature no longer sealed Flange check valves must be centred when installing by means of the flange screws on the counterflange before the screws are tightened Only check valves with butt weld ends The butt weld ends of the armature must be straight and coplanar and must b...

Page 8: ...ied out could cause danger to the operations personnel and damage to the pipeline system 7 Pressure testing and commissioning The pressure testing of armatures has already been carried out by the manufacturer For the pressure testing of a pipeline section with installed armatures care should be taken if the pipeline has not already been flushed before installation of the butterfly valve this must ...

Page 9: ...the shaft sealing For repair instructions see Section 11 3 If the nuts on the stuffing box retainer must be loosened or unscrewed counterclockwise Danger to life To prevent the operating personnel becoming endangered ensure that the pipeline on both sides of the armature is made completely free of pressure in advance Observe Section 3 3 Special hazards Functional fault oil brake closes too fast cl...

Page 10: ...bolt with nut 2 Disc 18 1 Option belleville spring 3 Retainer flange 19 Ã Packing 4 Hex head screw 20 1 End plate 5 Spring washer 20 2 Cover 6 Tapered pin 20 3 Lever 7 Plug 20 4 Weight 8 Ã Gasket 20 5 Bush 9 Locating pin 20 6 Centering ring 10 Ã Lamellar sealing 20 7 Hex head screw 11 Shaft 20 8 Clamping sleeve 12 Body bearing 20 9 Fitting key 13 Ring 21 Oil brake 14 Bottom flange 15 Hex head scre...

Page 11: ...red approved Page 22 03 2005 C Wied H Six 10 of 14 Operating instruction No BUW 510 1 E 10 2 Detail Drawing Tilting Disc Type Check Valve with Flanges Drawing does not contain any order related special oil brake positions or mounting positions ...

Page 12: ... approved Page 22 03 2005 C Wied H Six 11 of 14 Operating instruction No BUW 510 1 E 10 3 Detail Drawing Tilting Disc Type Check Valve with welding ends Drawing does not contain any order related special oil brake positions or mounting positions ...

Page 13: ... and cover them with a thin film of Molykote Plus or equivalent lubricant Insert screws and screw tight 11 2 5 Put the pipe under pressure Check the tightness 11 3 Replacing the shaft sealing Nos 19 Danger to life Before starting work release all pressure from the pipeline system and empty it completely See also Section 3 3 Special hazards 11 3 1 Deinstall end plate 20 1 with lever 20 3 and the as...

Page 14: ...11 4 2 Open the valve disc 2 a few degrees loosen the retaining ring screws 4 and open the disc completely 11 4 3 Mark the disc 2 and retaining ring 3 for correct reinstallation Note For valves with low nominal width it can be simpler to remove the drive and to turn the disc out over the opening position in order to have more freedom of movement for the remaining work 11 4 4 Carefully remove the r...

Page 15: ...leakages the complete sealing element is to be removed again and a sealing of 0 5 mm thinknes made of suitable material is to be put below it After that the sealing element hast to be fastened again Friedrich Krombach GmbH Armaturenwerke Marburger Str 364 57223 Kreuztal Tel 49 2732 520 00 Fax 49 2732 520 100 www krombach com CRANE Energy Flow Solutions www craneenergy com ONE TEAM ENERGIZED TO WIN...

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