plastic ball valve enjoys massive popularity thanks to their compact and low maintenance design that requires no lubrication while still offering users a tight seal with minimal torque. Ball valves are also the least expensive option when it comes to choosing among all of the valve arrangement types.
The biggest disadvantage of ball valves is that most designs have poor throttling characteristics that can cause the seat of a ball valve to easily erode. This has been remedied somewhat with the trunnion mounted ball valve design, but s
