KAN-therm Press System

KAN-therm Press System - technical information
KAN-therm Press System - Z type pipe thermal elongation compensation
A - compensation arm length (expansion compensation length)
SP - slidable point (enables movement along pipe axis only)
FP - fixed point (prevents pipeline from moving)
L - pipeline initial length
ΔL - pipeline thermal elongation
For compensation arm dimensioning, L1 and L2 sum is taken as substitute length L Z =L1+L2, and for this L Z length substitute
elongation ΔL z is determined on the basis of Table 1. Next, compensation arm A Z length (expansion compensation length) is
determined on the basis of Table 2.
KAN-therm Press System - U type pipe thermal elongation compensation
A - compensation arm length (expansion compensation length)
SP - slidable point (enables movement along pipe axis only)
FP - fixed point (prevents pipeline from moving)
L - pipeline initial length
ΔL - pipeline thermal elongation
W - U shape compensator width
For compensation arm dimensioning (in case where FP doesn't exist on W length), half of L1 and L2 sum is taken as substitute
length L Z =(L1+L2)/2, and for this L Z length substitute thermal elongation ΔL z is determined on the basis of Table 1. Next,
compensation arm A Z length (expansion compensation length) is determined on the basis of Table 2.
A - compensation arm length (expansion compensation length)
SP - slidable point (enables movement along pipe axis only)
FP - fixed point (prevents pipeline from moving)
L - pipeline initial length
ΔL - pipeline thermal elongation
W - U shape compensator width
In the case of placing fixed point FP on a segment constituting compensator width W, for compensation arm dimensioning a
higher value L1 or L2: is taken as substitute length L Z =max(L1, L2), and for this L Z length substitute thermal elongation ΔL z is
determined on the basis of Table 1. Next, compensation arm A Z length (expansion compensation length) is determined on the
basis of Table 2.
Compensator width W has to provide free operation of L1 and L2 segments and allow for possible pipe insulation thickness
and assembly conditions.
W ≥ 2¤ t ins + ΔL1 + ΔL2 + S min
t ins - insulation thickness
ΔL1, ΔL2 - L1 and L2 segments thermal elongation
S min - minimum length resulting from elbow build-over or pipe bending.
Width W should be minimized in the case when width W exceeds 10% of L1 or L2 value, U-shape compensator with a fixed
point FP should be calculated as Z type compensator taking into consideration width W and a higher value of L1 and L2.
Minimum pipe bending radius R min = 5 D Ex (it is not recommended to bend pipes of external diameter above 32 mm)
D Ex - pipe external diameter.
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