3" PVC Ball Valve (White Thread) This version of our PVC Ball Valve comes in Gray with socket end connectors. This means that PVC Glue or another bonding agent will be used on pipe and then slipped into the ends of the valve. Some of our other PVC Ball Valves come in various styles, colors, sizes, and configurations including slip x slip, thread x thread, white or gray, and 1/2" - 6" The Red Flag Products Compact Ball Valve is the industries first choice due to its easy quarter turn operation which switches the valve from the open position to closed or any degree in between, fully replaceable red handles, and a thick and solid PVC body. Rated at 150 PSI @ 73 F for use with schedule 40 (sch 40) and schedule 80 (sch 80) pipe and water systems only. Not for use with pressurized air systems. Compact Ball Valves (aka Economy Ball Valves, Molded-In-Place Ball Valve or MIP Ball Valve, and PVC Ball Valve) come with high-quality EPDM O-Rings, Thermo Plastic Elastomer (TPE) seats, and virgin PVC materials. These factors contribute to making our Compact Ball Valves the highest quality and longest lasting product in their class. The internets best prices on high quality and durable PVC valves. Red Flag Products offers high volume, quality products at unbeatable prices. Excellent for plumbing ponds, fountains, irrigation, pools & spas, lawns, sprinkler systems, water systems, commercial and residential plumbing, aquariums, salt water reef tanks, sewage systems, run-off lines, drainage lines, backwash lines, and more.