Midwest Air Products Co.: Custom Engineered Ductwork Exhaust Systems

Midwest Air Products - MAPCO

Duct

Midwest Air Products Co. Exhaust Systems

SYSTEMS BUILT TO LAST

Mapco custom engineered ductwork exhaust systems are designed and built by experienced professionals with years of experience in the Metal Finishing Industry. Using only the best materials, Mapco duct systems utilize type I, grade I, seamless extruded PVC duct up to 24" diameter. Sizes beyond 24" are fabricated from heavy gauge type II, grade I PVC that has been specially formulated and extruded exclusively for Mapco in the same color as the smaller extruded sizes. The end result is a quality fabricated product that provides a showcase installation you'll be proud of for years to come.

We also fabricate hot rolled duct from from type I PVC and offer a fiberglass overlay.

BLAST GATE DAMPER

BUTTERFLY LOCKING
DAMPER

ROUND DUCT

Duct Fittings and Accessories: Elbows
ELBOWS

COUPLINGS

FLANGES

PANTS

A

6-5/8
8-5/8
9-3/8
10-3/4

12-3/4
14
16
18

20
24
26-3/16
28-3/16

30-3/16
32-3/16
34-3/16
36-3/16

38-3/16
40-3/16
42-3/16
44-3/16

46-3/16
48-3/16
50-1/4
52-1/4

54-1/4
56-1/4
58-1/4
60-1/4

62-1/4
64-1/4
68-1/4

B

16
16
18
18

20
20
20
22

22
24
26
26

28
28
30
30

32
32
34
34

36
38
38
38

40
40
42
42

44
44
46

D

12-3/4
14
14
16

18
20
22
24

26
30
32
34

36
38
40
44

46
48
50
52

54
56
58
60

62
64
66
68

70
72
74

Duct Fittings and Accessories: No Loss Stack

NO-LOSS STACK

TAPER

Duct Fittings and Accessories: Taper with Lateral
TAPER WITH
LATERAL

Duct Fittings and Accessories: Taper with Boot
TAPER WITH
BOOT

Duct Fittings and Accessories: Square to Round Transitions
SQUARE TO ROUND
TRANSITIONS

STACK CAP

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Copyright © 1998 Midwest Air Products Co., Inc. All rights Reserved.