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SECTION 3: CRITICAL CONSIDERATIONS
5
NOTE: 1. All dimensions are from the Tube surface.
2. Clearances B, C and D can be reduced by 50% after 7 m of tubing downstream
from the burner.
3. All measurements are in Millimeters.
FIGURE 6: LINEAR , 1 FOOT AND 2 FOOT DECO GRILLE
Model
BH15
BH20
BH25
BH30
BH35
BH40
BH45
BH50
A 150 150 150 150 150 150 200 200
B 890 970 970 1020 1170 1220 1280 1330
C 1570 1650 1650 1780 1930 1970 2010 2080
D 890 970 970 1020 1170 1220 1280 1330
A
B
C
D
FIGURE 7: LINEAR , PROTECTIVE GRILLE
Model
BH15
BH20
BH25
BH30
BH35
BH40
BH45
BH50
A 150 150 150 150 150 150 200 200
B 890 970 970 1020 1170 1220 1280 1330
C 1570 1650 1650 1780 1930 1970 2010 2080
D 890 970 970 1020 1170 1220 1280 1330
A
B
C
D
FIGURE 8: LINEAR , VENTING
Model
BH15
BH20
BH25
BH30
BH35
BH40
BH45
BH50
E 1000 1000 1000 1000 1000 1000 1000 1000
F 500 500 500 500 500 500 500 500
Radiant tubes
Fan
Unvented
Vented
E
F