1511IS Inline Seismic Universal Bellows

Information at a Glance


1500 Hyflex Bellows Expansion Joints




2-240 in. / 50-1200 mm


≤150 PSI / 10 Bar


4+ in. / 100+ mm

Canadian Registration


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

Other Products

Product Description

Hyspan Hyflex Inline Seismic universal expansion joints are available in common pipe sizes at 150 PSIG (10.3 BARG), to 500° F (260° C). Other pressures and temperatures are available.

Standard designs include 304 stainless steel multiply bellows. Also available are 316, 321, and 347 stainless steels, and duplex and nickel alloys. End fittings include flanges and weld ends in many configurations. Rods and Spherical washers are included. Liners, Shrouds, Hinges, Gimbals and other options are available.

Ordering Information

Hyspan products are available from Sales Representatives and Distributors, or they can be purchased direct from the factory. The minimum factory order for open account customers, COD shipments, or bank card sales is $100.00 (USD). All major credit or debit cards are accepted. The minimum order for new account applicants is $100.00. Our Confidential Credit Application can be downloaded and forwarded to Hyspan for processing. All orders are subject to the following Terms and Conditions, and the above warranty applies to all material. Please read these documents.

Terms and Conditions

Confidential Credit Application (13.9 KB), can be completed on line.


General Downloads
  1. Catalog
  2. Approval Submittal
  3. Specifications
  4. Installation Instructions
  5. Warranty
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