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INSTALLATION, OPERATING
AND MAINTENANCE MANUAL
SLEEVED PLUG VALVES
2.0 NOTES ON POSSIBLE DANGERS..........................2
2.1 Significance of symbols ..........................................2
2.2 Explanatory notes on safety information..................2
4.0 DESCRIPTION...........................................................2
4.1 General Description..................................................2
4.2 Area of Application...................................................2
4.3 Operating principles.................................................2
4.4 Technical data - remarks.........................................2
4.5 Marking/nameplate...................................................3
Series UNIFLOW PP
Contents
5.0 INSTALLATION.............................................................3
5.1 General remarks on installation...................................3
5.2 Assembling additional modules...................................4
5.3 Requirements at the place of installation.....................4
6.0 COMMISSIONING.........................................................4
7.0 CARE AND MAINTENANCE.........................................5
8.0 TROUBLESHOOTING...................................................5
9.0 TROUBLESHOOTING TABLE......................................6
10.0 DISMANTLING THE VALVE.......................................6
11.0 WARRANTY / GUARANTEE......................................7
12.0 PARTS LIST.................................................................8
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Summary of Contents for Comeval UNIFLOW PP Series
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Page 1: Table Of Contents
INSTALLATION, OPERATING AND MAINTENANCE MANUAL Series UNIFLOW PP SLEEVED PLUG VALVES Contents 1.0 GENERAL INFORMATION ON THE MANUAL..2 5.0 INSTALLATION.............3 2.0 NOTES ON POSSIBLE DANGERS......2 5.1 General remarks on installation........3 2.1 Significance of symbols ..........2 5.2 Assembling additional modules........4 2.2 Explanatory notes on safety information....2 5.3 Requirements at the place of installation.....4 3.0 PRESERVATION, STORAGE AND TRANSPORT...2 6.0 COMMISSIONING............4... -
Page 2: General Information On The Manual
1.–GENERAL INFORMATION ON THE MANUAL - This Manual provides information on safely mounting and maintaining the product. Please contact the supplier or the manufacturer in case of problems which cannot be solved by reference to this Maual. - This Manual is binding for transport, storage, installation, commissioning, operation, maintenance or repair. - Manual must be read before commissioning the valve. -
Page 3: Marking/Nameplate
4.5 Marking/nameplate Nameplate description of the valve: Mark Description Manufacturer logo www.comeval.es Website of manufacturer FIG. Valve code Manufacturing year SN: ZZZZZZZ-N Batch / Serial no. Valve size Valve class Example Body material STEM Stem material PLUG Plug material SLEEVE... -
Page 4: Assembling Additional Modules
5.2 Assembling additional modules Optional accessories (limit switches, extensions, etc.) that are supplied with valves must be fitted as required for their functions as shown in the system plan. 5.3 Requirements at the place of installation - Aggressive environmental conditions may reduce the life span of the product. - Consider the interaction between the system and the equipment. - Page 5 ATTENTION! - In the event of infrequent use, operate the valve as frequently as possible to avoid deposits of dirt and valve blocking. - When using the valve as an end seal, the employers’ liability insurance association of the gas and waterworks specifies the use of a safety precaution such as a plug-in disc, blind flange, etc.
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Page 6: Troubleshooting
Sleeve damaged Repair or change sleeve Too much pressure Check the system Technical support always available through our website www.comeval.es or your local distributor. 10. – DISMANTLING THE VALVE ATTENTION! The following points must be observed: - Pressureless pipe system... -
Page 7: Warranty / Guarantee
11. – WARRANTY / GUARANTEE - The extent and period of warranty cover are specified in the “General Sales Terms” of COMEVAL VALVE SYSTEMS valid at the time of delivery or, by way of departure, in the contract of sale itself. -
Page 8: Parts List
12. – PARTS LIST Nº PART Body Sleeve Plug Gasket Cover Packing Gland Adjusting bolts Hand lever Yoke Worm gear Page 8...
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