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CASAFLEX®-District heating pipe

Installation instructionConnecting piece DN 100

Do not begin work until you have read the installation instruction carefully.

Installation instructionCASAFLEX - Connecting piece DN 100

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753 61 8 12

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1 internal backing sleeve2 graphite packing3 connecting piece4 thrust collar5 cylindrical bolts, M12x506 O - ring7 bolts8 protective cap9 shrink sleeve10 detection conductors11 connector for monitoring wires12 CASAFLEX pipe13 preinstallation bolts, M12x70

1 gloves2 clamp3 wrench4 hexagonal tool5 ratchet6 stainless steel brush7 file8 knife9 saw10 marker11 measuring tape

114,

3 x

4,5

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1113

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5 68

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Installation instructionConnecting piece DN 100

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Aligning the pipe endsStraighten out a length of approx. 1 m of the pipe, using a bending device if necessary.Fix the piping securely in place before fitting the connector assembly (e.g. on an assembly stand). Always use protective pipe clamping jaws when fixing the pipe in the vice.

3

Removal of the PE jacket

Make a mark at a length of 120mm on the casing pipe.

Make a mark around the casing pipe using the protection cap as a guide.

Cut radially using the saw.Attention: Take care not to cut the monitoring wires!

4

120 mm

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CASAFLEX®-District heating pipe

Installation instructionConnecting piece DN 100

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5 6

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Cut the casing pipe longitudinally using the knife.

Remove the casing pipe.

Remove the foam using the knife.

Attention: Take care not to cut the monitoring wires.

Bend the monitoring wires backwards.

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Installation instructionConnecting piece DN 100

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Make a mark on the corrugated pipe 90 mm from the end of pipe casing.

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Saw through the corrugated pipe using the face of the clamp as a guide.

Fit the clamp at the mark and check the dis-tance at 3 points around the pipe.

Insert a cloth and remove all burrs from the inside of the pipe.

90 mm90 mm

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CASAFLEX®-District heating pipe

Installation instructionConnecting piece DN 100

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5

Insert a cloth and remove all burrs from the outside of the pipe.

Clean the outer surface using a stainless steel brush to remove all traces of insulation.

Remove the cloth and all shavings. Screw the internal backing sleeve (1) into the corrugated pipe. Approx. 30 mm of the inter-nal backing sleeve must be left protruding from the end of the corrugated pipe.

30 mm~~

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Installation instructionConnecting piece DN 100

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6

Remove the connection piece (3) and push the graphite packing (2) in its whole length inside the gap between the internal backing sleeve (1) and the thrust collar (4).

Push the connection piece (3) right up against the thrust collar (4) using the pre-installation bolts (13).

Use grease or oil to prevent breakage of thepre-installation bolts.

Screw the thrust collar (4) onto the corrugated pipe, this must be screwed the full length of the internal thread and until it is tight.

Push the connecting piece (3) right up against the internal backing sleeve (1). The distance between the connecting piece (3) and the thrust collar (4) must be 1,5-2 mm. You must screw the internal backing sleeve (1) in or out in order to achieve the gap 1,5-2 mm between the thrust collar (4) and connecting piece (3).

1,5 - 2 mm

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CASAFLEX®-District heating pipe

Installation instructionConnecting piece DN 100

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Tighten the preinstallation bolts (13) until the permanent bolts (5) can be used. Replace all preinstallation bolts (13) with permanent bolts (5). Tighten all permanent bolts (5) clockwise. The connecting piece (3) and the thrust collar (4) must be bolted together until both flanges meet all the way round.

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Push the connecting cable through its bore and connect it with the monitoring wires. Note seperate installation instruction.

Grease the o-ring (6). Fit the protective cap (8) with a strong push until it makes contact with the beveled edge of the thrust collar (4).

If required: fit the o-ring (6)

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Installation instructionConnecting piece DN 100

Fix the protective cap (8) with its screws (7) .

Screw the connector for monitoring wires (11).

If required: Fit shrink sleeve (9) half to half on casing pipe and protective cap (8).

Note seperate installation instruction.

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