PVC lay flat hose connection, PVC lay flat hose in the sheath of PVC lay flat hose interface, must be padded with a layer of soft protective, and then tied with galvanized wire or throat hoop.
Use of PVC lay flat hose. When using PVC lay flat hose, the high-pressure resistant PVC lay flat hose should be connected near the pump. After filling, the PVC lay flat hose should prevent torsion or sudden bending, and the collision damage of the PVC lay flat hose interface should be prevented.
PVC lay flat hose paving. When laying PVC lay flat hose, it is necessary to avoid sharp objects and various oils. When laying PVC lay flat hose vertically to high places, it is necessary to use PVC lay flat hose hooks. When laying PVC lay flat hose through main roads, it should be padded with PVC lay flat hose guard bridge. When passing through railways, PVC lay flat hose should pass under railways, so as to avoid the intermittent water supply caused by the crushing of PVC lay flat hose by wheels.
In order to reduce the pressure loss caused by friction of PVC lay flat hose in fire fighting of high-rise buildings, the vertical laying of PVC lay flat hose should be chosen. According to the structural characteristics of each high-rise building, the laying of PVC lay flat hose should be chosen according to local conditions. There are three main laying methods of fire-fighting PVC lay flat hose: (1) vertical laying along the inner stairwell or patio; (2) vertical laying along the outer wall (balcony, window); and (3) vertical laying along the outer evacuation staircase.