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Comeval UNIFLOW 3P Installation, Operating And Maintenance Manual

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IOM - PISTON (LIFT DISC) CHECK VALVES, UNIFLOW® 3P-35
INSTALLATION, OPERATING
AND MAINTENANCE MANUAL
UNIFLOW® 3P
PISTON / LIFT-DISC CHECK VALVES
2. NOTES ON POSSIBLE DANGERS ................................2
2.1 Significance of symbols ..............................................2
TRANSPORT ......................................................................2
4. DESCRIPTION ................................................................2
4.2 Area of Application ......................................................2
4.3 Technical data - remarks ............................................2
4.4 Marking/nameplate .....................................................3
4.5 CE marking .................................................................3
5. INSTALLATION ...............................................................3
5.1 General remarks on installation ..................................3
Contents
6. COMMISSIONING & OPERATION .................................4
7. CARE AND MAINTENANCE ..........................................5
8. TROUBLESHOOTING ....................................................5
9. TROUBLESHOOTING TABLE .......................................5
11. GOODS RETURN & DISPOSAL .................................6
12. WARRANTY / GUARANTEE ........................................6
13. PARTS LIST ..................................................................7
14. ANNEXES .....................................................................8
14.1 Declaration of Conformity .........................................8
14.2 Data Sheet ................................................................8
UNIFLOW® 35
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Summary of Contents for Comeval UNIFLOW 3P

  • Page 1 IOM - PISTON (LIFT DISC) CHECK VALVES, UNIFLOW® 3P-35 INSTALLATION, OPERATING AND MAINTENANCE MANUAL UNIFLOW® 3P UNIFLOW® 35 PISTON / LIFT-DISC CHECK VALVES Contents 1. GENERAL INFORMATION ON THE MANUAL ....2 6. COMMISSIONING & OPERATION .........4 2. NOTES ON POSSIBLE DANGERS ........2 7.
  • Page 2 IOM - PISTON (LIFT DISC) CHECK VALVES, UNIFLOW® 3P-35 1. GENERAL INFORMATION ON THE MANUAL - This Manual provides information on safely using the product, being binding for preservation, storage, handling, transport, installation, commissioning, operation, maintenance, repair and disposal, and must be thoroughly observed at any step. - Please contact the supplier or the manufacturer in case of issues which cannot be solved by reference to this Manual. - Any deviation from this Manual and sound engineering practice or modification on the product shall be notified to manu- facturer for advice or approval. - In addition, regional safety requirements must be always applied and observed at any step. - All the work related to the product must be carried out, supervised and inspected by specialist personnel. It is the owner’s responsibility to define areas of responsibility and competence and to ensure the proper monitoring. - This Manual is in accordance with Directive 2014/68/EU on Pressure Equipment (PED). In case of compliance with ATEX Directive 2014/34/EU, please observe also additional ATEX specific Instructions.
  • Page 3 Description CE-Marking Number of notify body EAC marking (compliance with TR/CU 032/2013 & TR CU 010/2011) Manufacturer logo Explosion protected mark for EU free circulation (see separate instructions for code) www.comeval.es Website of manufacturer UNIFLOW® Brand PED 2014/68/EU Directive 2014/68/EU FIG. Valve code* Sound Engineering Practice Y.20VV...
  • Page 4 IOM - PISTON (LIFT DISC) CHECK VALVES, UNIFLOW® 3P-35 ATTENTION! Screwed ends valves: - Make sure that the pipe screw has the correct finish and compatible cone for the valve. - Use proper sealant according to duty when needed, such as hemp core, Teflon, etc. - Check that pipe introduction in the valve does not exceed its thread, leave a safety margin of minimum 1 mm.
  • Page 5 Check installation position Disc surface or seat damaged Check valve components Valve not closing with reverse flow Low pressure Check the system Broken spring Replace the spring Plug guiding system blocked Check and try to unblock Disc stick Fine vacuum service Use a degassing connection Leakeage between body and cover Cover bolts loose or gasket damaged Retighten or change gasket Technical support always available through our website www.comeval.es or your local distributor. Page 5...
  • Page 6 - Our guarantee coverage does not cover for any commissioning, maintenance or installation of the product or external parts. - Our guarantee does not cover products proved to have been tampered with or faulted by material wear and tear. - The Purchaser is responsible for checking that the incoming product is received in good condition and conforms to the ordered specifications. In case of damage caused during transit it is necessary to immediately complain to the carrier within 24 hours. After this time carriers could not assume the derived costs. In case of any deviation in relation to order specifi- cations, please contact us. COMEVAL VALVE SYSTEMS, S.L. y CIA., Soc. Comanditaria Les Rotes, 15 46540 El Puig (Valencia) España Phone +34 961 479 011 · Fax +34 961 472 799 E-mail comeval@comeval.es - www.comeval.es Page 6...
  • Page 7 IOM - PISTON (LIFT DISC) CHECK VALVES, UNIFLOW® 3P-35 13. PARTS LIST UNIFLOW® 3P Detailed view with spring option (recomended for size ≤ 6” and for vertical pipeline) Nº PART Body Disc Bushing Cover Eye bolt Cover gasket Cover bolt Cover nut Spring (option) Page 7...
  • Page 8 IOM - PISTON (LIFT DISC) CHECK VALVES, UNIFLOW® 3P-35 UNIFLOW® 35 Nº PART Body Disc Cover Cover gasket Cover bolt Spring 14. ANNEXES 14.1 Declaration of Conformity - DC20_07EN Updated documents on www.comeval.es 14.2 Data Sheet - DS20 Page 8...

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Uniflow 35

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