Bargain deal available on the 3/4 inch PVC Schedule 80 Threaded Ball Valve from the pros at PlumbersStock. This 3/4 inch PVC schedule 80 threaded ball valve is designed for both above and below-ground medium pressure applications. It is generally used for both commercial and residential plumbing construction. PVC and its fittings are glued together with special PVC glue that's designed to create a seal that is leakproof and durable. Schedule 80 PVC can withstand pressure as high as 1230 PSI and is ideal for pressure situations that demand more strength and durability than schedule 40 or a class 200 applications. All PVC schedule 80 pipes are manufactured from a type I, grade I polyvinyl chloride (PVC) compound. This means that it is generally resistant to most acids, bases, salts, aliphatic solutions, oxidants, and halogens. This valve is ideal for connecting male threaded fittings in the water system. It allows you to isolate and control water flow to certain areas of the water system. Spears has earned a strong reputation in the industry for good reason.