For heavy-duty installations requiring more than a standard No Hub coupling More effective joint movement restraint - Stainless steel strap bands are 12.5% thicker than on traditional no hub couplings providing a positive seal when properly torqued to 80 in/lbs Stronger, more uniform scaling capacity - Axially slotted clamp bands tighten independently to accommodate most any variances in outside diameters of cast iron pipe and fittings being joined Greater surface load bearing - Wider 304 Series stainless steel shield accommodates additional sealing clamps to provide for greater load bearing contact 1-1/2" - 4" sizes: Four stainless steel bands 5" - 15" sizes: Six stainless steel bands Higher resistance to shear forces - Rugged construction, excellent sealing properties and the arrangement of intermittent corrugations in the outer stainless steel band provide resistance to shear forces and help alignment while maintaining flexibility Corrosion resistant - 304 Series stainless steel combined with significant deflection factor makes this coupling highly dependable above and below ground Safe and easy to install - Flanged gasket helps maintain alignment during installation and tapered ends on shield reduce friction and prevent injury from sharp edges Versatile - Internal profile of elastomeric sleeve against intermittent corrugation suits specific performance application of non-potable waste systems Specifications: Multiple bands attached to heavy duty, corrugated 304 Series stainless steel shield over a molded one-piece elastomer sealing sleeve Sealing rings on flanged neoprene rubber gasket meet or exceed the requirements of ASTM C 564 Axially slotted heavy duty worm drive clamps tightened to 80 in/lbs of torque FM 1680 compliant
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