Burnham ALPINE - Page 23

23
Figure 5: Field Installation of CPVC/PVC Two-Pipe Vent System Connector - Floor Mounted Boiler Builds
Figure 4: Expansion Loop and Offset
IV. Venting (continued)
2 L
5
6"
MIN
6"
MIN
5
4
4
2
LONG RUN OF PIPE
CHANGE OF DIRECTION
(VERTICAL OR HORIZONTAL)
LOOP
(HORIZONTAL ONLY)
(TOP VIEW)
OFFSET
L
L
L
(L)
LOOP LENGTH
L
L
L
RESTRAINT (RESTRICTS MOVEMENT)
HANGER (ALLOWS MOVEMENT)
KEY
PIPE DIA.
(IN.)
LENGTH OF
STRAIGHT RUN
(FT.)
LOOP LENGTH
(L) (IN.)
3
20 50
30 61
40 70
50 79
60 86
4
20 56
30 69
40 80
50 89
60 98