16.24 Rev. 12-06 Shaded area indicates changes MUELLER ® 550 SERIES XTRA-RANGE ® FULL-SEAL ® STAINLESS STEEL PIPE REPAIR CLAMPS Typical Xtra-Range Full-Seal Stainless Steel Clamp Mueller 550 Series Xtra-Range Full-Seal Stainless Steel Pipe Repair Clamps - for 3" through 12" cast iron and steel pipe. To specify the catalog number , provide the following information : 1. Style number – 550 2. Length – standard lengths can be found on the OD chart on the following page 3. Size number – refer to the OD chart on the following page after verifying pipe OD 4. Catalog number prefix for optional features, if desired. The catalog number for a 550 Xtra-Range Full-Seal Repair Clamp, 12” long for 6” cast iron pipe is 550-12-0684. Style Number 550 Extra Nuts and Washers for Mueller Xtra-Range Full-Seal Stainless Repair Clamps Nut & Washer Clamp Size 3"-12" (Standard Nut) Nut Part Number 311581 Washer Part Number 311582 Deep Socket Wrenchs Specially designed for use with Mueller Full- Seal Repair Clamps. Long ratchet handle has thumb- tip reverse. Deep sockets (3-1/4") have double hex (12 pt.) and 1/2" square drive. Deep Socket Wrenchs Part Number 515204 515207 Description 15-3/4" with 1/2" reversible Ratchet Handle 1-1/16" Socket for 4" and larger clamps Bonding Device Bonding Device PIPE GASKET BAND Add-on feature Bonding Device for Cathodic Protection Metallic conductors are set in the gasket to provide contact between the band and the pipe sur- face and are available on all 500 series clamps. These conductors permit electrical current flow by establishing positive contact with pipe and band on each side of the pipe crack or break. To specify optional bonding device for cathodic protection, add a prefix of "2-" to catalog number. Example: 2-550-12-0684 Add-on feature allows long lengthwise repairs The gasket is cemented into the band in a 1” offset position. This allows overlapping the gasket with the band of another offset clamp when repairing a longer than usual area of pipe. This fea- ture is not available on Servi-Seal style clamps. To specify optional add-on feature for longer than usual repairs, add a prefix of "1-" to catalog number. Example: 1-550-12-0684 IMPORTANT: MUELLER PIPE REPAIR CLAMPS have demonstrated their capability to seal against gas pressures commonly encountered in distribution systems. Smaller diameter clamps of a given design can seal against higher pressures than larger ones. In addition, the pressure that a clamp can contain is effected by the torque applied to the bolts, the uniformity of the bolt tightening (where there is more than one bolt) as well as the type of extent of pipe damage, surface condition of the pipe, environmental conditions and installation workmanship. Metallic components of repair clamps, including stainless steel, corrode at widely variable rates depending upon many factors, such as installation outdoors or underground, composition of sur- rounding atmosphere/soil, presence of stray currents, moisture or chemicals, etc. Consequently, repair clamps must be assumed to have a finite service life. Consult with a corrosion professional to determine the life expectancy of this repair clamp taking into consideration all appropriate factors in the application. The piping system designer should determine the suitability of this type product on your particular system. Unforeseen failure of this product could result if these precautions are not taken. Mueller Co. can provide additional material specification information on request by contacting Customer Service: 800-798-3131.
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