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Figure 29 - Step 13 - Install of Split Outer Casing
TEES
90° TEE (T90)
The 90° Tee is generally used to connect horizontal connectors into a
vertical section as well as a drain or inspection fittings. See Figure 30 for a 90° Tee.
NOTE: For the maximum height of chimney above a based supported
Tee, see Table 3 in SECTION B
Figure 30 - 90° Tee
TEE PRECAUTION
1. Use an Adjustable Length (LA) or a Bellow Length (LB) + Variable Length (LV) in
all horizontal breechings or laterals.
2. If more than ¼" of thermal expansion is expected between the tee and the next
fixed support point;
a.
Tees should be protected from bending moments by use of an Adjustable
Length (LA) or a Bellow Length (LB) combined with a Variable Length
(LV) (See the section on the EXPANSION JOINT, ODD LENGTH AND HIGH
PRESSURE SYSTEM)
b.
And the use of two axis support as in Figure 54 and 55 in TEE SUPPORT
section is recommended.
3. Provide access for easy removal of Tee Caps.
4. Never support any Models DAS PRO/DIS PRO by the outer casing
45° TEE (T45) AND DOUBLE 45° TEE (TD45)
See Figure 31a for the Tee 45° Tee and the Figure 31b for the tee with two
entrances to trunk (the Double 45° Tee).
Split Outer Casing
Figure 31a - 45° Tee (T45)
Figure 31b - Double 45° Tee (DT45)
LATERAL TEE (BT)
The Lateral Tee (BT) is a 45° Tee with a 45° Elbow integrated in it. The installation
details are the same as a 90° Tee. See Figure 32
.
Figure 32 - Lateral Tee (BT)
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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