Engineered for dependable pipe connections, the Black Swan 21485-10 Rubber Coupling delivers a secure, flexible seal for joining equal diameter piping in drainage, waste, and vent systems. Built from durable elastomeric material, this coupling provides excellent resistance to vibration, minor misalignment, and shifting, ensuring long-lasting performance in both residential and light commercial plumbing applications.
DETAILS
Manufacturer: Black Swan
Model Number: 21485-10
Product Type: Flexible Rubber Pipe Coupling
Nominal Size: 4 in x 4 in
Inner Diameter: 4 in
Connection Style: Slip fit flexible coupling
Pipe Compatibility: Plastic, cast iron, copper, and steel piping
Installation Method: Clamp secured compression fit
Package Contents: 1 rubber coupling with 2 stainless steel band clamps
Package Quantity: 1 unit
KEY FEATURES
Color: Black
Size: 4 in x 4 in
Dimensions: Fits 4 in outside diameter pipes on both ends
Material: Heavy duty flexible rubber with stainless steel clamps
Flexibility: Allows for slight pipe misalignment and vibration absorption
Corrosion Resistance: Stainless steel clamp bands resist rust and degradation
Seal Type: Watertight compression seal
Temperature Tolerance: Suitable for typical plumbing system temperature ranges
Installation Ease: No special tools required beyond standard screw tightening tools
Series: Professional grade plumbing couplings
Durability: Resistant to cracking, aging, and underground environmental stress
Warnings: Not intended for pressurized potable water systems; ensure proper clamp tightening to avoid leaks
APPLICATIONS
Joining 4 in drain waste vent piping systems
Sewer line repairs and extensions
Transition connections between different pipe materials
Underground and above ground plumbing installations
Residential and light commercial plumbing systems
Emergency pipe repair situations requiring fast installation
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