4" x 3", 1000 PSI Tensile Strength, (2) 301 Stainless Steel Worm Drive Clamp, 1-Piece Synthetic Rubber Gasket, Flexible, Unshielded, Reducing, Clay to Cast Iron/Plastic, Sewer Coupling with 5/16" 300 Stainless Steel Hex Head Screw
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Unshielded Coupling is a Flexible Sewer Coupling Designed to Connect Similar and Dissimilar Pipe Materials and Sizes; Coupling Consists of Two 301 Stainless Steel Worm Drive Clamps Over a Molded 1-Piece Elastomeric Sealing Gasket; Leak-Proof Seal - Stainless Steel Clamps Provide a Positive Seal When Properly Tightened to 60 Inch-Pound of Torque; Axially Slotted Clamps Enable Bands to Tighten Independently to Accommodate Variances in the Outside Diameters of the Pipe to be Joined, Ensuring a Water-Tight, Leak-Proof and Root-Proof Seal; Sealing "O" Rings are Installed Under Each Sealing Clamp to Prevent Pipe Slippage and Create a More Positive Seal; Corrosion Resistant - Use of 300 Series Stainless Steel Components are Highly Effective in a Variety of Environments; Such as Marine Applications, Poorly Aerated or Moist Soils, Contaminated Ground Conditions (Particularly Industrial Fill Sites) and Where the Ground Water Contains Chloride, Sulfates or Bicarbonates; Withstands Tension and Compression - Synthetic Rubbers Permit a Substantial Degree of Distortion without Change in Basic Physical Resistance, Unlike Other Manufacturers Thermoplastic Coupling Materials; Molded Synthetic Rubber Gasket is Strong, Durable and Resilient to Ultraviolet Rays, Ozone, Fungus Growth, Natural Erosive Properties and Normal Sewer Gases; More Pliable and Easier to Install in Cold Weather Applications than an Elastomeric PVC Gasket; Pre-Set Calibration - All Flex-Seal® Unshielded Couplings are Designed to be Installed with a Pre-Set Torque Wrench Calibrated to 60 Inch-Pound; Maximum to Accommodate the 300 Series Stainless Steel 5/16 Inch Hex Head Screw; Made in USA
Sewer Coupling Fitting; Type Flexible, Unshielded, Reducing, Clay to Cast Iron/Plastic; Size A 4 Inch; Size B 3 Inch; Material Synthetic Rubber; Material Specification ASTM C425/C1173; Gasket Supplied Yes; Gasket Details 1-Piece Molded Elastomeric Sealing Gasket; Application Underground, Non-Pressure, Gravity Flow, Sewer; Applicable Standard ASTM A240/A240M, UPC 4224, CSA B602, ISO 9001, IAPMO; Includes 300 Series Stainless Steel Clamp
