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INSTALLATION, OPERATING
AND MAINTENANCE MANUAL
TORAFLEX® S10/S15
TORAFLEX® S30
1. GENERAL INFORMATION ON THE MANUAL ..............2
2. NOTES ON POSSIBLE DANGERS ................................2
2.1 Significance of symbols ..............................................2
2.2 Explanatory notes on safety information .....................2
TRANSPORT ......................................................................2
4. DESCRIPTION ................................................................2
4.1 General Description. Area of Application ....................2
4.2 Technical data - remarks .............................................2
4.3 Marking/label ...............................................................3
5. INSTALLATION ...............................................................3
5.1 General remarks on installation ..................................3
5.2 Requirements at the place of installation ....................3
vibration and noise ...........................................................4
RUBBER JOINTS
Contents
Expansion Joints ...............................................................5
5.2.4 Assembling the Joint to the pipe ...............................6
5.2.5 Installation of Rubber Joints with flanges .................7
6. COMMISSIONING & OPERATION .................................8
7. CARE AND MAINTENANCE ..........................................9
8. DISMANTLING THE JOINT ............................................9
9. GOODS RETURN & DISPOSAL ...................................9
10. WARRANTY / GUARANTEE ........................................9
11. PARTS LIST ................................................................10
12. ANNEXES ...................................................................10
12.1 Declaration of Conformity .......................................10
12.2 Data Sheet ..............................................................10
TORAFLEX® S20
Page 1
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Table of Contents
Summary of Contents for Comeval TORAFLEX S10
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Page 1: Table Of Contents
INSTALLATION, OPERATING AND MAINTENANCE MANUAL TORAFLEX® S10/S15 TORAFLEX® S20 TORAFLEX® S30 RUBBER JOINTS Contents 1. GENERAL INFORMATION ON THE MANUAL ....2 5.2.3 Installation Guidelines for Rubber Joints working as 2. NOTES ON POSSIBLE DANGERS ........2 Expansion Joints ...............5 2.1 Significance of symbols ..........2 5.2.4 Assembling the Joint to the pipe .......6 2.2 Explanatory notes on safety information .....2 5.2.5 Installation of Rubber Joints with flanges ....7 3. -
Page 2: General Information On The Manual
1. GENERAL INFORMATION ON THE MANUAL - This Manual provides information on safely using the product, being binding for preservation, storage, handling, trans- port, 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 ma- nufacturer 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. - The manufacturer reserves the right to make technical modifications at any time. 2. NOTES ON POSSIBLE DANGERS 2.1 Significance of symbols ATTENTION! . -
Page 3: Marking/Label
4.3 Marking/label Description of labeling/marking on the rubber: FIG. RUBBER SIZE Y.VV/ZZZZ Mark Description TORAFLEX® Brand FIG. Joint code (S10, S15…) Y.VV Manufacturing year (Y.16 = 2016) ZZZZ Batch no. PSmax Max. pressure Max. temperature at max. pressure Max. pressure at max. temperature TSmax Max. temperature RUBBER Rubber material inside/outside (EPDM, NBR…) Flanges... -
Page 4: Reaction Forces. Anchoring And Guiding. Limit Rods
5.2.1 Reaction forces. Anchoring and Guiding. Limit Rods REACTION FORCES - Reaction force by internal pressure: Rubber Joints are flexible components which break the pipe system rigidity. A Rubber Joint acts as a piston by the forces arising from the internal pressure of the pipe. To prevent the pipes from damage they have to be properly anchored in order to absorb these reaction forces (Fr). The reaction force caused by internal pressure in a Rubber Joint is calculated by the following formula: Fr (N) = P (kg/cm ) x A (cm ) x 10 Fr =Reaction Force P = Pressure (Max. Working Pressure and Testing Pressure must be considered) A = Effective cross sectional area Joint under pressure acts as a piston. -
Page 5: Installation Guidelines For Rubber Joints Working As Expansion Joints
Installation of Joints with limit rods Limit Rods Assembly on Rubber Joints absorbing Vibration and Noise: 1) Set the Joint in its rest position. 2) Place the plates symmetrically on the external face of counterflanges, and equidistantly to the flange drillings. Fix plates with nuts and bolts as shown in the picture. 3) Introduce the rod through the third orifice of each plate until it remains centred with the Joint. 4) Introduce a rubber gasket from each side of the rod and then a metal washer. 5) Introduce nuts from each side of the rod, and fix them in the desired posi- tion (preferably limiting the Joint expansion to its rest position) by means of counter-nut or with a welding spot. -
Page 6: Assembling The Joint To The Pipe
- Make sure that Joint expansion/compression limits in our Data Sheet are not exceeded. - Limit rods can also be used to pre-expand (with inner rod nuts) or pre-compress (with outer rod nuts). Tightening must be progressive and uniform. ATTENTION! - Make sure that Joint building length limits are not exceeded. - Torsional strain is not permitted. Limit Rods Assembly on Rubber Joints working with Vacuum Description of limit rods use in vacuum service in our Data sheets in www.comeval.es. Follow the same procedure explained above, but placing plates on the internal face of the Joint flanges. Internal nuts will precent the Joint to shrink due to vacuum. 5.2.4 Assembling the Joint to the pipe - Remove the storage protection carefully if any just before installation. ATTENTION! - Special care should be taken in order not to damage the soft parts. -
Page 7: Installation Of Rubber Joints With Flanges
Installation position: - TORAFLEX® Rubber Joints can be installed either in horizontal or vertical pipelines, subject to proper anchoring and guiding. 5.2.5 Installation of Rubber Joints with flanges ATTENTION! - Make sure that counterflanges are compatible with the standard of the Joint flanges. - Ensure that contact faces of Joint flanges and counterflanges are free of grease and in good condition. - Sealing surfaces of mating flanges shall be checked to ensure that there is no risk of the rubber bonds being damaged by sharp inside edges or projections or recesses. The screw length shall be selected to ensure that the rubber bellows cannot be damaged. During installation and operation, the Joints must be protected from radiated heat and welding heat. - Ensure pipe alignment. Counterflanges should fit smoothly. Make sure that the gap between the 2 counterflanges has enough clearance to fit the equipment without damaging the rubber faces (carefully retract slightly counterflan- ges if necessary) but, no free gap shall exist between Rubber Joint faces and counterflanges faces. Joints may be damaged if stretched during assembly. - The rubber shell itself acts as sealing gasket, so no additional gaskets have to be added. - In case of any lubricant used, make sure it is compatible with rubber material. -
Page 8: Installation Of Rubber Joints With Threaded Ends
5.2.6 Installation of Rubber Joints with threaded ends ATTENTION! Make sure that the pipe screw has the correct finish and compatible cone with the Joint. - Use proper sealant according to duty, such as hemp core, Teflon, etc. - Check that pipe introduction in the Joint does not exceed valve thread, leave at least 1 mm as safety margin. - Tighten with a plain or adjustable wrench on the hexagon end of the Joint only. Apply force to any other area may seriously damage it. Do not use hook spanners or other wrenches that could damage the hexagon surface. It should be threaded smoothly. If not, do not try to force the thread and avoid wrench extensions since this could lead to breaking the valve or damaging the thread. Tightening must be moderate. Overtightening the union could cause rubber break or stretching. -
Page 9: Care And Maintenance
- Rubber Joints materials represent a hazard to the environment and shall be disposed by specialized company by ap- proved procedure. Incineration is not permitted. 10. 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. - We guarantee freedom of faults in compliance with state-of-the-art technology and the confirmed application. - No warranty claims are accepted for any damage caused as the result of incorrect handling or disregard of this Manual, Data Sheet and relevant regulations. -
Page 10: Parts List
1.2 Nylon tire cord bellow 1.3 Rubber cover (outer) 2- Unions with threaded ends 3- Root ring (option) 12. ANNEXES 12.1 Declaration of Conformity - DC13EN Updated documents on www.comeval.es 12.2 Data Sheet - DS13 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 10...
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