Mercer Flexmore Expansion Joints - WA450 and 450

MERCER FLEXMORE EXPANSION JOINTS Series WA450 & 450 provides details about the Mercer Flexmore Series 450 expansion joints. These joints offer various performance features such as working pressures up to 250 psi, greater movements per arch, a wide arch contour for controlled extension under pressure, and lower spring rates. The construction features include a choice of eight cover elastomers, sizes up to 36" diameter, and optional Hypalon® paint coating. The Series 450 is described as an economical, full-pressure elastometric expansion joint that is uniform in appearance and performance. The document also provides details about the allowable movements, vacuum ratings, temperature and pressure ratings, and drilling dimensions for various sizes.

Table of Contents:

1. Introduction - Mercer Flexmore Expansion Joints Series WA450 & 450 [Page 1]
   • Performance Features
   • Construction Features
   • Series 450 Description
   • Styles and Arch Variations
2. Series 450 Details [Page 2]
   • Optional Coating of Hypalon® Paint
   • Typical Multiple Arch Construction
   • Material Availability & Operating Temperatures
   • Drilling Dimensions ASA Class 150 LB
3. Style WA451 Allowable Movements [Page 3]
   • Vacuum Ratings
   • Temperature & Pressure Ratings
   • Allowable Movements for Styles WA451, 451, and 452
4. Style 453 Allowable Movements [Page 4]
   • Vacuum Ratings
   • Temperature & Pressure Ratings
   • Allowable Movements for Style 453

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• Create Date September 8, 2023
• Last Updated September 12, 2023