When using ALFLEX as a dilation and contraction compensator it is recommended to follow the following instructions so as to avoid malfunctions and damages due to incorrect use of the component.
1
Obtain the loop or offset by connecting ALFLEX to two 90° elbow fittings and NEVER two couplings aligned on the same plane.
2
Loop or offset is always directed upwards so as to avoid the formation of condensate in the pipe.
3
It is advisable to provide a fixed point in ALFLEX with the use of an electrician collar fixed half way between the ends of the flexible pipe.
It is advisable to clip the aluminium pipe with the special ALBI pipe clip near the two elbows connected to the ALFLEX.
FLANGED DILATION COMPENSATORS
When using ALFEJ as a flanged dilation and contraction compensator it is recommended to follow the following instructions so as to avoid malfunctions and damages deriving from the incorrect use of the component.
ALFEJ details:
40 Nm tightening torque for all diameters. (63 mm – 80 mm – 110 mm) Do not use solvents, adhesives, lubricants of any type for mounting.
INSTALLATION OF DILATION COMPENSATORS
WARNING
Before mounting the ALFEJ dilation compensator, ensure that the joining surfaces are clean.
As shown in the figure, the positioning of the flanged fitting with the compensator must be accurate with the aim of ensuring the correct airflow without leakages.
Should the flange not be tightened correctly, the gasket may not be in contact with the fitting like shown in the figure.
In this case, tighten correctly and check the joints. Consider the length during the installation of the joint, make reference to the table of maximum and minimum lengths indicated in the previous page.
INSTALLATION
1
Clean the joint surfaces.
2
Perfectly align the flanges with respect to each other.
3
Introduce the bolts after aligning the flanges:
3.1
It is advisable to use 8.8 zinc coated bolts or A 2.70 stainless steel; position the washers and bolts, tighten the entirety.
4
The bolts shall be tightened progressively uniformly in an alternating fashion according to a sequence diametrically opposite to the one indicated in the figure.
5
Tighten the bolts using a torque wrench. Maintain the same tightening torque for the three sizes of the ALFEJ (Ø63 – Ø80 – Ø110) flanged compensator. Tightening torque: 40 Nm.
