Ball Valves

GEM Stainless Steel Ball Valves are a great shut off point for your thru-hull water systems. Our Thru-Hull product line is available in a number of sizes and threaded to fit. It creates a safe plumbing system on your boat.

  • 316 Investment Cast Stainless Steel
  • Bonding screw hole included
  • Tested to 1000psi WOG
  • NPT threading
  • PTFE Seats, Seals, and Rings
  • Available in Electropolished- for marine applications/saltwater environment or non Electropolished- for industrial applications
  • Blowout proof stem design
  • See below for available sizes