In the engineering and construction of industrial piping systems, ensuring the structural integrity, safety, and longevity of the piping is paramount. Pipe hangers and supports are not merely accessories; they are critical components that prevent sag, manage thermal expansion, and protect against dynamic loads. One of the most essential industry standards for selecting these components is .
These are sustained, gravity-driven, or internal pressure forces acting continuously on the system. ANSI/MSS SP-69-2003 - Pipe Hangers and Supports
Since is a copyrighted standard by the Manufacturers Standardization Society (MSS), the best way to obtain the PDF is through official technical standard distributors. mss sp 69 pdf
Correctly applied supports mitigate the risk of pipe ruptures, water hammer damage, and joint failures.
The standard clevis yoke design handles large vertical adjustments on suspended pipelines. In the engineering and construction of industrial piping
is a Standard Practice (SP) developed by the Manufacturers Standardization Society (MSS) of the Valve and Fittings Industry, Inc. It was first approved in July 1966 and was most recently revised as the 2003 edition, which is also an ANSI-approved American National Standard .
Rigid hangers provide vertical support where thermal movement is negligible. The standard clevis yoke design handles large vertical
For engineers and specifiers selecting support systems for new projects, acquiring the current edition of MSS SP‑58 is strongly recommended, as it provides the most up‑to‑date guidance in a single consolidated volume. For those maintaining legacy systems, responding to older specifications, or conducting historical research, the original MSS SP‑69 PDF remains a legitimate and valuable resource—provided it is obtained through authorised channels.
: Maintain records of the stub ends used, including material certification, testing reports, and traceability to the manufacturing batch. This is crucial for quality control and for compliance with project or regulatory requirements.
A: Metric units are provided for reference only. U.S. customary units are the standard.