Chair Roller Electro-Galvanized (with Hot Dip Galvanized Roll)

Carry pipe on a roller that lets it move. The roller chair sits on a structural surface and carries horizontal pipe on a free-turning roll, allowing the pipe to travel as it expands and contracts. Electro-galvanized chair with a hot-dip galvanized roll.

• Base-mounted roller chair — sits on the support surface
• Free-turning roll lets pipe move axially
• Accommodates thermal expansion on bottom-supported runs
• Electro-galvanized chair, hot-dip galvanized roll for corrosion resistance
• Manufactured to MSS SP-58 pipe support standards

Overview

A roller chair supports pipe from below on a roll, letting the pipe move along its axis with thermal expansion. It is used where pipe is carried on a structural surface, trapeze, or support steel rather than hung from a rod. Electro-galvanized chair with a hot-dip galvanized roll for added corrosion resistance.

Common Uses

• Bottom-supported steam and hot-water lines
• Pipe carried on trapeze or support steel
• Long runs needing axial movement
• Damp or corrosive environments needing a galvanized roll

Key Features

• Base-mounted roller chair
• Free-turning roll for axial movement
• Electro-galvanized chair, HDG roll
• MSS SP-58 / SP-69 Type 44

Specifications

Load Ratings by Pipe Size

Maximum recommended load by pipe size, per Empire Fig. 275 engineering data. Match to your pipe's nominal size and apply your project's factor of safety.

Listings & Standards

• MSS SP-58 / SP-69 Type 44
• Not UL/FM listed (MSS-compliant pipe roller)

Frequently Asked Questions

When do I use a roller chair?

Use it where pipe is supported from below and must move along its axis with thermal expansion — common on steam and hot-water lines on trapeze or support steel.

Why the galvanized roll?

The hot-dip galvanized roll resists corrosion and keeps the roller turning freely in damp or corrosive environments.