Concentric Reducing Sphere Model MSC

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Rubber Expansion Joint/Pump Connector

Can your engineered pipe system stand the pressure? Protect pumps from temperature and pressure changes, and reduce noise and vibration, with Concentric Reducing Sphere. Our Concentric Reducing Sphere joint/flexible connector handles up to 225 PSI at 170° F and can work at temperatures up to 230° F!

The Concentric Reducing Sphere is a widely applied expansion joint/flexible connector. It provides the greatest pressure, temperature and movement, at a very reasonable cost. The Concentric Reducing Sphere resiliency also helps control pulsation shocks and noise transmission.

Constructed of neoprene* and nylon (other materials are available see charts below), the spherical shape allows pressure to exert itself uniformly in all directions, thus reducing the force exerted on pipe lines and equipment. Bias-ply tire cord provides strength, a high safety factor, and low force to move. Precision molding provides a dense, uniform carcass.

Solid plate steel flanges grip the sealing area and provide a fluid tight connection. All flanges are tapped or drilled to mate with 150# companion flanges. The tapped bolt holes and rotatable flanges make installation easy. The arch is self-cleaning, thus eliminating the need for filled arch when solids are present in the stream.

Concentric Reducing Sphere

Model # Joint Size ID (in)* FACE-TO-FACE (in.) PRESSURE VS. TEMPERATURE MOVEMENT CAPABILITY ANGULAR (Degrees) GROSS WT (lbs.) 3D DRAWING Submittal
170°F 200°F 220°F Compression Elongation (in.) Lateral (in.)
MSCEE3X2X8 3 x 2 8 225 150 100 1/2 3/8 1/2 15 15 Revit/CAD Submittal
MSCEE3X2.5X8 3 x 2-1/2 8 225 150 100 1/2 3/8 1/2 15 16 Revit/CAD
MSCEE4X2X8 4 x 2 8 225 150 100 5/8 3/8 1/2 15 18 Revit/CAD
MSCEE4X3X8 4 x 3 8 225 150 100 5/8 3/8 1/2 15 19 Revit/CAD
MSCEE6X4X8 6 x 4 8 225 150 100 5/8 3/8 1/2 15 28 Revit/CAD
MSCEE8X4X8 8 x 4 8 225 150 100 5/8 1/2 1/2 15 40 Revit/CAD
MSCEE8X6X8 8 x 6 8 225 150 100 5/8 1/2 1/2 15 46 Revit/CAD
MSCEE10X8X8 10 x 8 8 225 150 100 3/4 1/2 3/4 15 69 Revit/CAD