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Dual Guard FRP Duct
Fitting Style Index
Design Considerations
Fitting Style Sheets
Specifications

Figure # Description
Duct / Pipe
100 Round Duct
101 Round Duct-Offset
105 Rectangular Duct
106 Rectangular Duct - Offset
107 Oval Duct
Elbows & Bends
110 90° Standard Long Radius Sweep Elbow
111 90° Short Radius Elbow
115 45° Standard Long Radius Sweep Elbow
116 45° Short Radius Elbow
118 22.5° Standard Radius Sweep Elbow
120 90° Long Radius 3-Gore Mitered Elbow
121 90° Short Radius 3-Gore Mitered Elbow
125 45° Long Radius 2-Gore Mitered Elbow
126 45° Sho rt Radius 2-Gore Mitered Elbow
130 90° Long Radius 5-Gore Mitered Elbow
131 90° Short Radius 5-Gore Mitered Elbow
135 45° Long Radius 3-Gore Mitered Elbow
136 45o Short Radius 3-Gore Mitered  Elbow
137 30o Long Radius 2-Gore Mitered  Elbow
138 30o 2-Gore Mitered S.R. Elbow
140 90° Rectangular Easy Bend 3-Gore Mitered Elbow
141 90° S. R. Rectangular Easy Bend 3-Gore Mitered Elbow
145 90° Rectangular Hard Bend 3-Gore Mitered Elbow
146 90° S. R. Rectangular Hard Bend 3-Gore Mitered Elbow
147 90° Rectangular Easy Bend 2-Gore Elbow
148 90° Rectangular Hard Bend 2-Gore Elbow
Transitions & Reducers
150 Transition, Square to Round
159 Offset-Transition
160 - 11 Concentric Reducer  5:1
160 - 22 Concentric Reducer  2.5:1
160-53 Concentric Reducer, 1:1
160 - 60 Concentric Reducer 0.86:1
160 - 90 Concentric Reducer  0.5:1
165 - 11 Eccentric Reducer  5:1
165 - 22 Ecentric Reducer  2:5:1
169 Offset-Reducer
Tees, Taps, Wyes, and Crosses
170 Tee, Standard Round
172 90° Bonded Reducing Tee
172-PT 90° Pre Configured Tap
172-ST 90° Saddle Tap(for field installation)
172-FT 90o Factory installed ReducingTap
175 90° Conical Bonded Tee
175PT 90° Conical Preconfigured Tap
175ST 90° Conical Saddle Tap
175FT 90° Conical Factory Installed Tap
177 90° Shoe Bonded Tee
177-PT 90° Shoe Preconfigured Tap
177-ST 90° Shoe Saddle Tap
177-FT 90° Shoe Factory Installed Tap
182 45° Lateral Bonded Tee
182-PT 45° Lateral Preconfigured Tap
182-ST 45° Lateral Saddle Tap
182-FT 45° Factory Installed Tap
185 45° Double Wye
186 45° Reducing Wye
187 45° Double Reducing Wye
190 90° Bonded Tangential Tee
192 45° Bonded Tangential Tee
195 True Wye
197 90o Cross
Flanges, Couplings, Caps, Accessories
200 Stub Flange
205 Blind Flange
210 End Cap
212 End Cap Dished
220 Slip Alignment Coupling - External
225 Slip alignment Coupling - Internal
230 Access Door - Flush
235 Access Door - Flanged Stand-off
250 Stack Cap No Loss Cap
255 Stack Cap Rain Cap
260 Roof Curb Cap
270 Flex Connector - Slip On
275 Flex Connector - Flanged
280 Sample Tap - Flanged
285 Drain Tap - Threaded
286 Drain Tap Leg & Valve
Butterfly, Gate, Check, Backdraft
300 Volume (Butterfly) Damper
300-FF Flanged Volume Damper
310 Volume Damper with Shoe Tap
325 Slide (Blast) Gate Damper
325-FF-D Slide (Blast) Gate Damper (flanged end)
330 ES
335 Slide Gate Damper with Shoe Tap
340 Slide Damper - Low Profile (for automation)
350 Backdraft Damper - Wafer
380 Rectangular Backdraft Damper - Parallel Blade
385 Rectangular Control Damper - Opposed Blade
390 Backdraft Damper - Stack Cap

Composites USA, Inc.
One Peninsula Drive, North East, MD USA 21901
Tel: 1-410-287-2700 Fax: 1-410-287-5222
www.compositesusa.com
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