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Series 8500
Expansion Compensators

Series 8500 Expansion Compensators are designed for installations where the principal movement is axial. Standard designs are 3/4” through 4” for steel pipe and copper tube with 2” or 3”axial compression. Service conditions are 200 psig to 500°F. Steel pipe ends are threaded, welded, grooved or flanged. Copper tube ends are male or female sweat connections.

The bellows element of Series 8500 Expansion Compensators is completely enclosed and externally pressurized which prevents damage to the bellows and eliminates pressure instability. The pipe or tube telescopes into the compensator providing a smooth full bore, and isolates the bellows from the flow. Series 8500 products are available from stock and have a Three year full replacement warranty.

Type 8503 Cut-a-way

Series 1500 Laminated Bellows Expansion Joints are comparable products that are available for steel pipe systems 2” through 14”.

Series 3500 Externally Pressurized Expansion Joints are comparable products with greater travel. Standard designs are available through 24”.

Series 9500 Alignment Guides are designed to maintain the alignment of the tube and pipe adjacent to expansion compensators and throughout the tube/pipe run.

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Canadian Registration
This product is registered throughout Canada under CRN 0D9278.59870YTNADD3

Catalog Sections

Design Features

Applications

Table 1 Thermal Expansion

Table 2 Intermediate Guide Spacing

Configurations and Materials of Construction

Table 3 Pressure and Force Data Types 8503-8506

Table 4 Pressure and Force Data Type 8509 &8510

Table 5 Steel Pipe Ends, Models 8503, 8504, 8505 and 8506 Tabulated Design Data

Table 6 Copper Tube Ends, Models 8509 and 8510 Tabulated Design Data

Travel Required

Anchor Forces

Ordering Instructions

Installation Procedure

Three Year Limited Warranty