20 Inch Inflatable Balloon Plug Inflatable Rubber Pipe Plug Bladder for Sewer Drain

20 Inch Inflatable Balloon Plug Inflatable Rubber Pipe Plug Bladder for Sewer Drain. Wide Diameter Range: Accommodates pipe diameters from 50mm to 1800mm with multi-diameter design. High Compressive Strength: Tensile strength exceeds 12MPa with excellent elasticity and flexibility. Customizable Specifications: Offers custom sizes, valve configurations, and material options like natural or synthetic rubber. Versatile Applications: Ideal for sewer maintenance, pressure testing, temporary isolation, and fall protection. Durable Construction: Withstands hundreds of inflation cycles without cracking due to natural rubber body. Leak-Tight Seal: Ribbed NR body expands to form a 360-degree airtight seal against pipe walls.