Bosch UT-L 1 - 10.4.3 Intermediate return piece

72 | Fitting
UNIMAT6 720 807 794 (2013/04)
10.4.3 Intermediate return piece
An intermediate return piece can be provided for
installing the safety expansion line and for height
compensation of the intermediate flow piece ( Tab 34,
page 72). A further temperature sensor can be
connected to this. A fully functioning intermediate return
piece is already integrated into the return temperature
raising set ( page 76).
Fig. 50 Intermediate return piece for UNIMAT UT-L boilers (dimensions in mm)
[1] Flange connection for expansion line
[2] Thermometer or temperature sensor connection
Intermediate flow
piece
Internal
diameter
1)
1) Design of the flange connections: PN16 to DIN 2633 (≤ 16 bar, ≤ 120 °C)
Measurements Volume Shipping weight
Type Length Width
D L B
1
B
2
[mm] [mm] [mm] [l] [kg]
SP 50 DN50 300 450 225 3.8 25
SP 65 DN65 300 450 225 3.3 24
SP 80 DN80 300 450 225 4.3 27
SP 100 DN100 310 460 240 6.3 33
SP 125 DN125 320 475 250 9.3 38
SP 150 DN150 330 490 265 13.8 44
SP 200 DN200 345 515 290 23.3 59
SP 250 DN250 365 540 320 38.0 77
SP 300 DN300 385 565 345 53.0 94
SP 350 DN350 395 580 360 62.0 130
SP 400 DN400 415 610 385 83.0 141
Table 34 Specification of the intermediate flow piece for UNIMAT UT-L boilers
6 720 640 417-29.1il
B
A
2
A
1
H
2
160
H
1
160
2
1
2
Intermediate
return piece
Nominal diameter Measurements Volume Shipping weight
Type Height Width PN16 PN25 PN40
A
1
1)
A
2
2)
H
1
H
2
B
[mm] [mm] [mm] [l] [kg] [kg] [kg]
RP 50 DN50 DN25 350 175 125 1 – – 10
RP 65 DN65 DN32 350 175 135 2 12 – 13
Table 35 Specification of the intermediate return piece for UNIMAT UT-L boilers