How durable is PVC Reducing Coupling? What types of environments and pressures can it withstand?

The durability of PVC reducing couplings depends mainly on its material and manufacturing process. Here are some key points:

Pressure resistance:

PVC reducing couplings can generally withstand low to moderate pressures. The specific pressure-bearing capacity depends on the grade of PVC and the specifications of the pipe. Generally speaking, the pressure rating of PVC pipe ranges from 125 PSI (pounds per square inch) to 450 PSI. You should refer to the product specification sheet when purchasing to ensure that it meets the pressure requirements of the application.

Temperature resistance:

Standard PVC materials begin to lose strength when the temperature exceeds 60°C (140°F). High temperature environments may cause PVC to soften and deform. High-temperature PVC (such as CPVC) can withstand higher temperatures (usually at 90°C or 194°F) and is suitable for hotter application environments.

Chemical resistance:

PVC has good chemical corrosion resistance and can resist most acids, bases and salt solutions. However, it is sensitive to certain solvents, such as alcohols and ketones. Therefore, it is necessary to confirm the resistance of PVC to the chemicals it is exposed to before use.
UV resistance:

Ordinary PVC has poor resistance to ultraviolet (UV) radiation, and long-term exposure to sunlight may cause the material to become brittle and degrade. In outdoor applications, it is usually necessary to use UV stabilizers or apply a protective layer on the pipe.
Impact resistance:

PVC has some impact resistance, but it may become more brittle in low temperature environments. Avoid using it in extremely cold climates, or choose PVC materials specifically designed for low temperatures.
Abrasion resistance:

PVC reduced coupling performs averagely in terms of wear resistance and is not suitable for long-term transportation of abrasive fluids.