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SS-8X Stainless Steel Heavy Duty Flexible Coupling Download PDF



The Model SS-8X is designed for high pressure applications including reverse osmosis and desalination systems.  The SS-8X is available in stainless steel 304, stainless steel 316, Duplex CD3MN (2205), Super Duplex CE8MN, CE3MN (2507) and 6-Moly stainless steel CK3MCuN (254SMO).  The SS-8X features 304 or 316 bolts, washers and Silicon Bronze nuts to help prevent galling during repetitive use. 

* The working pressure shown is based on cut-grooved Sch. 40S or 80S pipe.  For other pipe schedules and roll-grooved pipe, see the below table on page 2. 

Axial Displacement and deflection figures are for roll grooved standard weight stainless steel pipe.  Values for cut grooved pipe will be double that of roll grooved.  These values are maximums; for design and installation purposes these figures should be reduced by: 50% for ¾”/DN20 – 3½”/DN90; 25% for 4”/DN100 and larger to compensate for jobsite conditions. 

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