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> Sigma one lok series slc mechanical pvcjoint restraint
Sigma one lok series slc mechanical pvcjoint restraint
Includes; 1-4" DI Wedge Action Retainer Gland,
1-4" MJ Gasket, 4-3/4 x 3 1/2" Low Alloy Steel Bolts & Nuts,
SIGMA ONE-LOK is a mechanical joint, wedge-action restraining gland that implements a series of individually activated wedges that locate around the circumference of PVC pressure pipe. When the wedge-stem assembly is tightened down onto the pipe, the teeth (edges) on the bottom of each wedge lock onto the pipe wall. Pressure thrust causes the primary contact edges to grip the pipe surface and properly restrain all classifications of AWWA C-900/C-905 CIOD or ASTM D2241 IPS pipe.
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