Unisource Series 303 female union connectors are ideal for isolating small diameter piping from vibrating mechanical equipment.
In smaller size applications where threaded connectors are normally used, Series 303 double sphere union connectors will accommodate both pipe motions and vibration. Series 303 connectors will provide over 1” of axial compensation, as well as impressive ratings for lateral and angular deflection. The Neoprene or EPDM rubber body construction is also far superior to metallic connectors for eliminating noise and vibration generated by equipment such as pumps, chillers, and air handlers. These connectors are extremely versatile and can be used in a variety of services, and are available in designs to handle up to 150 PSIG and temperatures up to 200 degrees F.
Ultra-Sphere expansion joints are precision molded in hydraulic presses. The spherical design insures that internal pressures are exerted in all directions, distributing the forces evenly over a large area. The spherical design acts as a free-flowing arch, reducing turbulence and growth due to pressure thrust forces.
Series 303 Ultra-Sphere connectors are constructed with a high quality EPDM tube and cover and nylon tire cord reinforcing. Neoprene construction without cables is also available.
Series 303 EPDM connectors offer high-temperature EPDM rubber for tube and cover construction. Galvanized ductile iron threaded female union ends are standard. Special cable restraint attachments surround each end to prevent the connector from over-extending due to pressure thrust. A steel body ring encircles the rubber between the spheres to provide stability under pressure.
Series_303_Female_Union_EPDM.PDF 73 KB
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