Part # 30C-SW-31, 3 Inch (in) Nominal Size Iron Pipe Size (IPS) Aboveground Alignment/Expansion Fitting with O-Ring On Colonial Teltek

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Alignment/Expansion fitting is sometimes referred to as an Expansion/Deflection joint.
(The clamps holding the rubber sleeve connecting the two nipples are made from stainless steel for corrosion protection.)

Unit of Measure

Specifications | Dimesional Attributes | Features | Installation of Expansion Joints | Note

Specifications

Brand	N/A Champion Fiberglass®, Inc.
Type	N/A Iron Pipe Size (IPS) Aboveground Alignment/Expansion Fitting with O-Ring
Style	N/A Alignment/Expansion
Wall Thickness	N/A Standard Wall
Color	N/A Black
Weight	N/A 1.91 kg4.20 lb
Industry Standards/Certifications	N/A Underwriters Laboratories (UL)

Dimesional Attributes

Nominal Size	N/A 3 in
A	N/A 3.66 in93 mm
B	N/A 3.5 in89 mm
L [Min]	N/A 37 in940 mm
L [Max]	N/A 51 in1,295 mm

Features

N/A Most Commonly used.

Installation of Expansion Joints

N/A

When the duct is shorter than 50 ft., no Expansion Joint needed
When the duct is between 50 ft. up to 200 ft., install one Expansion Joint at the mid point
If the duct is longer than 200 ft., install one Expansion Joint every 200 ft. apart