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OPERATION AND MAINTENANCE MANUAL 

 01-2016 

 

 
 
 
 
 

Operation and maintenance 

manual for 

 

 

FLANGE-TO-FLANGE 

CHECK 

FLAP  

VALVES 

 

P/N 

6534 

 

 
 

 

 

Approved for use by  

 

President of Factory, JAFAR S.A. 
 
 
 
 
 
 

Failure  to  comply  with  the  guidelines  and  instructions  in  this  Operation  and 

Maintenance Manual releases the manufacturer from all obligations, liability and warranty. 
 

Due  to  continuous  business  development,  we  reserve  the  right  to  introduce 

modifications and structural changes to the presented product. 
 

 
 

Summary of Contents for 6534

Page 1: ...e by President of Factory JAFAR S A Failure to comply with the guidelines and instructions in this Operation and Maintenance Manual releases the manufacturer from all obligations liability and warrant...

Page 2: ...VALVE DESIGN 3 2 2 MATERIALS 4 2 3 DIMENSIONS 4 2 4 REFERENCE STANDARDS 5 2 5 ORDERING INFORMATION 5 2 6 PRODUCTION AND ACCEPTANCE 5 2 7 MARKINGS 5 3 PROTECTION STORAGE TRANSPORT 6 3 1 PACKAGING 6 3 3...

Page 3: ...pe 6534 flange to flange check flap valves are designed to transport potable water process water sewage and other liquids as approved by the manufacturer Operating temperature 10 C to 70 C Available d...

Page 4: ...el grade 1 4310 PN EN 10025 2 2007 PN EN 10088 1 2014 3 Spring 50S2JR Zn Steel grade 1 4310 PN 74 H 84032 PN EN 10088 1 2014 4 Seal Rubber EPDM PN ISO 1629 2005 5 Eye bolt Steel grade 1 0037 Steel gra...

Page 5: ...screws PN EN 10204 2006 Metallic products Types of inspection documents PN ISO 1629 2005 Rubbers and latices Nomenclature PN EN ISO 1872 1 2000 Plastics Polyethylene PE moulding and extrusion material...

Page 6: ...ed with heat shrunk film 3 3 STORAGE Store the flange to flange check flap valves in sheltered rooms 3 4 TRANSPORT Transport the flange to flange check flap valves on sheltered vehicles The check flap...

Page 7: ...he valve downstream of a straight pipeline the length of which is at least 5 times the pipeline nominal diameter 4 3 OPERATION The flange to flange check flap valves shall be operated according to the...

Page 8: ...L 05 2015 8 The product assembled installed and operated in compliance with this Manual is covered by a commercial warranty from the manufacturer The warranty terms conditions and period are specified...

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