PVC hose classification and abnormality inspection

PVC hose classification and abnormality inspection
Classification of PVC Hose: (1) is continuously wound with a strip of material. Ordinary wrapped corrugated tubes are used to protect cables, such as magnetic card telephones and machine tools, while the corrugated tubes of desk lamps are inserted into the steel wire during production. (2) It is completely air-tight and watertight, for example propellant delivery for launch vehicles, gas, and water heaters; abnormality inspection of PVC hoses: (1) Before using the hose, confirm whether the appearance of the hose is flawed or not. , hardening, softening, discoloration and other abnormalities. (2) During the normal use of the hose, regular monthly inspections must be performed. The service life of the hose is largely influenced by the characteristics of the fluid, temperature, flow rate, and pressure. If abnormal symptoms are found during pre-job inspections or periodic inspections, stop using them immediately and repair or replace new ones.