Clevis Hanger Specifications: A Comprehensive Guide

Clevis hangers are essential components in piping systems, designed to suspend and support non-insulated, stationary pipes from beams or ceilings. They provide both vertical adjustment and stability, ensuring pipes remain securely in place while accommodating thermal expansion and structural movement. Understanding clevis hanger specifications is critical for engineers, contractors, and maintenance professionals to ensure safe and efficient pipe support.

Material and Finish

Clevis hangers are typically constructed from carbon steel, chosen for its strength and durability. Depending on the environmental conditions and corrosion resistance requirements, these hangers can come in various finishes:

• Plain steel – Suitable for indoor applications where corrosion is minimal.

• Galvanized steel – Offers protection against rust and corrosion, ideal for moist environments.

• Zinc-plated – Provides moderate corrosion resistance and is commonly used in standard indoor conditions.

• Epoxy-coated – Enhances durability and chemical resistance in more aggressive environments.

Choosing the right finish is crucial to extend the lifespan of the hanger and maintain pipe integrity.

Size Range and Load Capacity

Clevis hangers are available in a wide range of sizes to accommodate different pipe diameters and load requirements:

• Standard sizes typically range from 1/2 inch to 16 inches for light-duty applications.

• Heavy-duty models can support pipes up to 30 inches or larger, depending on the manufacturer.

Load capacities vary significantly with size and design. Some clevis hangers can support as little as 150 lbs, while larger industrial models may handle over 6,000 lbs. Accurate load calculations are essential to ensure proper support and prevent structural failures.

Design and Usage

The design of a clevis hanger consists of:

• A clevis-type top, which attaches to a threaded rod for secure suspension.

• A formed steel bottom strap, which cradles the pipe, providing stable support.

These hangers allow vertical adjustment via the threaded rod, making them versatile for aligning pipe runs. They are specifically used for non-insulated, stationary pipes and are not recommended for high-movement or insulated pipe applications.

Temperature limits depend on the material and finish:

• Plain steel hangers can withstand temperatures up to approximately 650°F.

• Galvanized hangers have a maximum temperature limit of around 450°F.

Understanding these limits ensures safety and prevents premature degradation of the hanger.

Typical Specifications Summary

These specifications define the fundamental parameters of clevis hangers used in pipe support systems, ensuring compatibility with pipe sizes and load requirements in industrial, commercial, and mechanical settings.