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Material
Carbon steel, except for load pin, which is stainless steel.
Specifications
Manufacturer's Standardization Society SP-58, Manufacturer's Standardization
Society SP-69, ANSI Code for Pressure Piping ANSI B31.1 and ANSI B31.3
Recommended Service
Used to restrain movement of piping in one direction while providing for
movement due to thermal expansion or contraction in another direction.
Features
- Effective under either tensile or compressive force.
- Provides 2 to 4 inches of field adjustment in either direction.
- Spherical, self-aligning ball bushing at both ends of the strut allows for
plus or minus 5 degrees of angular motion or misalignment. Bushings are
coated with a dry lubricant.
- Can be installed in any spatial orientation.
- Positive control of piping systems are allowed by tight-fitting
connections.
- Finished with standard primer paint or hot dip galvanizing for corrosive
conditions.
How to Size
- Select size consistent with maximum load to be restrained.
- Determine the distance from structural steel to center of pipe and
subtract from it the pipe clamp take-out and the rear bracket (dimension A)
for size selected. This will give the required C-to-C dimension. Make sure
that the C-to-C dimension listed for the size selected is within the
specified minimum and maximum.
- Determine the W dimension by subtracting the quantity (2 x dimension F)
from the C-to-C dimension.
Ordering
Specify figure number, assembly size, name, C-to-C dimension and option
number (if other than standard configuration is required) or nominal pipe size
or special O.D. The rear bracket assembly may be ordered separately.
Installation
Sway strut assemblies are shipped assembled. Securely fasten bracket to
structure. Attach strut rod to end bracket, make necessary adjustment in overall
length, and fasten clamp to pipe. This assembly is locked by tightening the hex
nuts against the extension piece.
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