1、 Key points for correct use

1. Matching medium and temperature
Conventional PVC hoses are suitable for temperatures ranging from -10 ℃ to 60 ℃. It is prohibited to transport hot water or high-temperature oils above 60 ℃.
Ordinary PVC can only transport clean water and weak acidic and alkaline liquids; Cannot transport strong solvents, concentrated acids and bases; Food grade PVC hoses must be used in food scenes, and industrial grade hoses are strictly prohibited from transporting drinking water and food.

2. Overpressure use is strictly prohibited
The working pressure indicated on the hose is the rated value at room temperature. If the pressure is too high, it may swell or burst; Slowly increase the pressure when starting the water pump to avoid instantaneous impact pressure damage to the pipeline. In negative pressure suction scenarios, PVC steel wire reinforced hoses should be used, as ordinary hoses are prone to being flattened by suction.

3. Installation and usage precautions
·Do not forcefully pull, twist, or break the hose, reserve sufficient bending radius at the bend;
·Avoid sharp stones and metal burrs when dragging to prevent scratches on the pipe wall;
·The clamp at the joint position should be tightened appropriately. If it is too tight, it will fracture the pipe wall, and if it is too loose, it is easy to leak water;
·Try to minimize prolonged exposure to sunlight outdoors, as ultraviolet radiation can accelerate aging and yellowing.

4. Distinguish between hose types and avoid mixing them
·Fiber reinforced snake skin tube: suitable for positive pressure water delivery (watering flowers, washing cars), cannot be used for negative pressure suction;
·PVC steel wire hose: suitable for pumping and material suction, can withstand negative pressure;
·Ordinary single-layer PVC hose: only low pressure diversion, weak pressure bearing capacity.

2、 Daily maintenance methods

1. Clean after use
After using up the residual liquid in the exhaust pipe, rinse the inside of the pipeline with clean water; Clean up sewage and slurry in a timely manner after transportation to prevent impurities from depositing, blocking, and corroding the pipe wall. Rinse and air dry, do not store in a sealed container with water.

2. Storage and organization
Roll storage, do not apply heavy pressure; Place in a cool and dark place, away from heat sources (boilers, direct sunlight), oil stains, and chemicals. Do not compress and stack for a long time to avoid permanent deformation of the pipe wall.

3. Regular inspections
Before each use, simply check:
The pipe wall has turned yellow, brittle, white, and has small cracks → it has aged and needs to be replaced immediately;
Pipe wall bulging, local softening, and joint water leakage → Do not continue to use;
The surface scratches are deep and damage the inner weaving/steel wire layer. It is recommended to replace it.

4. Seasonal protection
In low temperature environments during winter, PVC hoses may become hard and brittle. Do not bend them violently; After use, drain the accumulated water to prevent freezing and bursting of the pipe wall.