Crown Boiler BWC151 Manual Do Utilizador

Table 4.2: Clearances From Vent Piping To Combustible Construction

TYPE OF VENT PIPE

PIPE DIRECTION

ENCLOSURE

MINIMUM CLEARANCE

TO COMBUSTIBLE

  MATERIAL

80/125 and 60/100mm

 CONCENTRIC VENTING

VERTICAL OR 

HORIZONTAL

ENCLOSED ON ALL FOUR SIDES

0”

HEAT FAB SAF-T VENT

PROTECH FASNSEAL

Z-FLEX Z-VENT III

METAL-FAB CORR/GUARD

VERTICAL OR 

HORIZONTAL

AT LEAST ONE SIDE OPEN, 

COMBUSTIBLE MATERIAL ON A 

MAXIMUM OF THREE SIDES

1” 

HEAT FAB SAF-T VENT

PROTECH FASNSEAL

Z-FLEX Z-VENT III

METAL-FAB CORR/GUARD

HORIZONTAL OR VERTICAL 

WITH OFFSETS

ENCLOSED ON ALL FOUR SIDES

2-1/2” 

HEAT FAB SAF-T VENT

PROTECH FASNSEAL

Z-FLEX Z-VENT III

METAL-FAB CORR/GUARD

VERTICAL WITH NO OFFSETS

ENCLOSED ON ALL FOUR SIDES

2-1/2” 

5