Print E-mail

Rubber Expansion Joint

  More Information

Keyser Rubber Expansion Joints

Product Description and Advantages

Construction Details

Basic Spool Type Expansion Joints

Single Sphere Connectors

Twin Sphere Connectors

Elbow Connectors

More Rubber Expansion Joint Products


Twin Sphere Connectors With Floating Flange

May be used both for Suction and Delivery
Because of the excellent moulding technique combined with tough chemical fibers it may be used at a bursting pressure of over 850 p.s.i. and within a normal internal pressure of withstand the force for creating a vacuum it may be used on both the carcass is of will not come in contact with the connecting bolt head even if it expands, this connector may be used with a sense of security even when subjected to high pressures.

Easy Installation on Piping
Since its carcass is soft and can be readily deformed, pipe connections can be quickly and readily completed despite some misalignment.

Excellent Ability to isolate Sound and Vibration
The highly soft carcass isolates vibration and solid sound in all directions and prevents the production of noise.



Available Styles / Materials


Twin Sphere Connectors (FTF Type)


Twin Sphere Connectors (FSF- A Type)


Twin Sphere Connectors (FTF- B Type)


Twin Sphere Connectors Screw On Female Unions - FTU Type


Twin Sphere Connectors Screw On Female Unions - FTU-A Type


Twin Sphere Connectors With Bolt-on Flanges - FTU Type


Twin Sphere Connectors With Bolt-on Flanges - FTU- A Type


Twin Sphere Connectors With PVC Unions

Keyflex product

KEYFLEX Expansion Joints are designed and manufactured in accordance with the EJMA Standards and Requirements, which are recognized throughout the world. SINGLE Expansion Joint from size 50-200 above.

Engineering Division Product

Keyser has successfully widened its specialties into piping fabrication, pipe laying and machining field as the Welding & Machining Specialist with the Welding Procedure Specifications (WPS) acquired in accordance to the ASME Standards and DNV rules.