Cooper B-Line 28M User Manual

Fig. 28M - Offset Hanger & Restrainer for CPVC Plastic Pipe and IPS Pipe

Pipe Clamps

Size Range:3/4"

(20mm)

thru 2"

(32mm)

Material: Steel, Pre-Galvanized

Function: Designed to be used as a hanger and restrainer for CPVC piping or steel piping

where the “stand-off” design will ease installation by eliminating the need for wood blocking.

Features:

• Flared edge design protects CPVC pipe from any rough or abrasive surfaces

• Unique snap-on design holds pipe firmly in place and allows retrofit type of installation

• The “Stand-Off” design eliminates the need for wood block extension

• Can be installed on horizontal or vertical piping regardless of mounting surface orientation

• Attaches easily to wood structure with two hex head self-threading screws furnished with
product

• Installs easily using rechargeable electrical driver with

5

/16”

(7.9mm)

extension socket

eliminating impact tool damage to pipe

• Attaches easily to steel, minimum 18 gauge

(1.024mm)

with (2) 1/4” x 1” tek type self

drilling

tapping screws

• cULus Listed as a hanger and a restrainer for fire sprinkler piping

Installation Note: When installed in wood structural members and threads from the
#10 x 1" screws are exposed, use Fig. 27B speed nut to secure

Approvals: Underwriters Laboratory Listed in the USA (UL) and Canada (cUL)
to support automatic fire sprinkler systems.
May be installed into wood using fasteners screws.
Meets and exceeds the requirements of NFPA 13,
13R and 13D. Fig. 28M satisfies the UL vertical
restraint requirements where needed.

Order By: Part number and pipe size

Patent #7,744,042

A

C

B

Fig. 27B

(2) Required

Restraint

Fig. 27B

(1) Required

High Side of Hanger

Restraint

Pipe Size A Hole Dia. B C Max Spacing* Approx. Wt./100

Part No.

28M-3/4
28M-1 1" (25) 21/8" (54.0)
28M-11/4 11/4" (32) 25/16" (58.7)
28M-11/2 11/2" (49) 27/16" (61.9)
28M-2 2" (50) 25/8" (66.7)

* Required per NFPA 13 for CPVC plastic pipe

All dimensions in charts and on drawings are in inches. Dimensions shown in parentheses are in millimeters unless otherwise specified.

Pipe Hangers & Supports

in. (mm) in. (mm) in. (mm) in. (mm) in. (mm) lbs. (kg)

3

/4" (20) 2" (50.8)

3

/16" (4.8) 35/16" (84.1) 5’-6” (1676) 9 (4.1)

3

/16" (4.8) 31/2" (88.9) 6’-0” (1829) 12 (5.4)

3

/16" (4.8) 31/2" (88.9) 6’-6” (1981) 13 (5.9)

3

/16" (4.8) 37/8" (98.4) 7’-0” (2133) 14 (6.3)

3

/16" (4.8) 47/16" (112.7) 8’-0” (2438) 15 (6.8)

100

Hanger and Restraint

Application

Pipe Clamps

Detail A

Hanger Application