lindab | doub le wall safe
Y-branch/Offset
YVUI45/OSETUI
40
Description
Description
directional split fitting: 45º
• special order: 15º, 30º, 60º
• special order: Ød3 or Ød4 < Ød1
• special order: Ød3 ≤ Ød4
one-piece offset
• 60º max angle of convergence
• max offset Z1 ≤ (Ød1+2i) / 2
• max length L = 60"
Dimension (apply for 45° only)
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H1 = (d3 x 0.5) + (d1 x 0.9) x COS(45) - d3 x 0.5
TAN(45)
SIN(45)
Note: SMACNA recommends that offsets be
30° or less
O1 = (d3 x 0.5) + (d1 x 0.8) x SIN(45) - (d1 x 0.5)
TAN(45)
H2 = (d4 x 0.5) + (d1 x 0.9) x COS(45) - d4 x 0.5
TAN(45)
SIN(45)
O2 = (d4 x 0.5) + (d1 x 0.8) x SIN(45)] - (d1 x 0.5)
TAN(45)
M1 = H1 + (d3 x 0.5)(COS(45)) - (d1 x 0.5) + O1 (d3 x 0.5)(COS(45))
CL1 = (d1 x 0.5) + O1 - (d3 x 0.5)(COS(45))
COS (45)
CL2 = (d1 x 0.5) + O2 - (d4 x 0.5)(COS(45))
COS (45)
Order Example
Order Example
Lindab Safe
YVUI45 - Ød1 - Ød3 - Ød4
Lindab Nongasketed
YVI45 - Ød1 - Ød3 - Ød4
Lindab Safe
OSETUI - Ød1 - L - Z
Lindab Nongasketed
OSETI - Ød1 - L - Z
All sizes refer to inside dimensions. Lindab Safe comes with 1" insulation thicknesses standard and 2" as an
option. 3" and 4" thicknesses are available in nongasketed only.
We reserve the right to make changes without prior notice. Therefore, all designs, specifications, and product features are subject
to change without notice. The company and its products are protected by patents and registered trademarks. 2015 All rights reserved.