< PreviousI N S T R U C T I O N M A N U A L INSULATING T-FITTINGS, REDUCERS AND ANGLED PIPEWORK 19(fig. 10) Measure the height of the section to insulate (including the welding) and the smaller and larger diameter added to twice the thickness of the insulation material. Mark the measurements on the material being careful to trace the median with the compass to mark the two circumference arcs on the external points of the sectors ab and cd (fig. 10a). Measure the circumference of the pipe with the larger diameter with a strip of the same insulating material to be used and mark half of that circumference on the median, obtaining points e and d (fig. 10b and 10c). Join those points, cut, glue and connect (fig. 10d). I N S T R U C T I O N M A N U A L INSULATING T-FITTINGS, REDUCERS AND ANGLED PIPEWORK REDUCERS 20The procedure is much the same as that used for elbows, taking care to mark on the material the circumference and the internal and external dimensions of the pipe to be insulated (sequence fig. 11a). Then proceed to glue the sections and fit onto the pipe (figs. 11b and 11e). I N S T R U C T I O N M A N U A L ANGLED PIPEWORK INSULATING T-FITTINGS, REDUCERS AND ANGLED PIPEWORK 21Proceed as indicated in the sequence of illustrations (figs. 12a, 12b, 12c). Having insulated the section of pipework, cover the fitting with anti-condensation adhesive tape (fig. 12a). Cover (fig. 12b) the section of pipe with a correctly sized piece of insulating material and glue (fig. 12c). I N S T R U C T I O N M A N U A L 5.4 INSULATION OF FLANGES AND FITTINGS FITTINGS 22Proceed as in the sequence of illustrations (fig. 13). Measure the external diameter of the pipe to be insulated and of the bare flange (fig. 13a). With the compass trace the two circumferences on the material (fig. 13b) and prepare the two gaskets that should be glued as indicated (fig. 13c). Mark the h measurement on the material (fig. 13c). Measure the parts shown in the guide (fig. 13d), copy them on the material, cut them out (fig. 13e) and then glue (fig. 13f). I N S T R U C T I O N M A N U A L INSULATION OF FLANGES AND FITTINGS FLANGE 23Proceed as shown in the illustrations (figs. 14a - 14b), having insulated the pipe. A - Cover the pipework with anti-condensation adhesive tape (fig. 14a). B - Having taken precise measurements, prepare a “jacket “ of insulating material and proceed to glue (fig. 14b). I N S T R U C T I O N M A N U A L 5.5 VALVE INSULATION SMALL VALVES 24The same procedure should be carried out for inclined valves (sequence figs 15). I N S T R U C T I O N M A N U A L VALVE INSULATION INCLINED VALVES 25lnsulate the section as previously shown using tape. Take the measurements (fig. 16a), copy them onto the material and carefully cut out the measured piece (fig. 16b). Once the outside edges have been glued, put the two sections together over the body of the valve (fig. 16c). Measure, trace and cut out the circular section for the front (fig. 16d). I N S T R U C T I O N M A N U A L LARGE VALVES VALVE INSULATION 26Take the measurements and transfer them onto material (fig. 16e). Trace them as shown (fig. 16f); dress the valve (fig. 16g) carefully glueing the various sections where necessary. I N S T R U C T I O N M A N U A L VALVE INSULATION 27The correct procedure sees the insulation of the cylindrical part of the tank after the correct measurements have been taken (figs. 17a - 17b) and copied onto the insulating material. The adhesive should be carefully spread on both the surface of the tank and the insulation material itself . Subsequently the head of the tank must be insulated (fig. 17c). Extra care should be taken in the application of the sealant between the various sections. A - Determine the length of the curved surface of the dome (using an elastomeric tape with the same thickness as the insulation material). B - Using the length of the curved surface as the diameter, trace a complete disc on an elastomeric sheet. If the disc is too large to be made with a single sheet, glue several sheets together. C - Cut the disc (curved bottom). D - Spread a thin layer of adhesive on the insulation material and then on the metal surface. E - When the glue is dry to the touch (nail test), attach the disc to the bottom and press firmly from the center. F - Carry out a wet bonding along the circumferential joints of the dome. I N S T R U C T I O N M A N U A L 5.6 INSULATION OF TANKS 28Next >