Rubber Water Blocking Airbag Pipeline Leak Sealing Device Pressure Test Ball Fit 50/75/100/150/200/225/250/300/315mm ID Pipe Material:Natural Rubber Fit Pipe Inner Diameter:50/75/100/110/150/160/200/225/250/300/315/400/500/600mm Max Pressure:0.025mpa,0.25 Bar,3.6 PSI Wall Thickness:4mm Inflating method:Normal Inflator Pay Attention: 1.The inside of the pipe must be cleaned, the surface is flat, and there is no burr. Otherwise it will affect the sealing effect and even pierce the airbag 2.The airbag must be used in the same type pipe 3.Do not use the air bag at the pipe joint, there is a gap at this place, which affects the sealing effect. 4.Do not use overpressure. Package Inlcude:1 PC _x000D_