Manual 3-Way Ball Valve


  • Vacuum rated to 1 X 10-8 Torr
  • Helium leak rated less than 1 X 10-9 std. cc/sec
  • Max Temp w/Standard Viton® (FKM) -26°C to 150°C (-15°F to 302°F). Higher operating temperatures are possible with alternate o-ring and grease options. Contact our sales department for more information.


  • Valve body, ball, stem, and end caps: machined from solid 316L stainless steel
  • Standard seal: fluoroelastomer
  • Seats: PTFE Teflon®
  • Lubricant: Dow Corning® High Vacuum Grease

Service Kits and Accessories

Service kits are available for all 3-way ball valve series.
Use TL-RK-S 3-way ball valve service kit for both 1-1/2″ and 2″ valves.
Kit includes:

  • (1) stem o-ring
  • (3) body o-rings
  • (2) Teflon seats
  • (1) PEEK stem bearing
  • (1) nylon lock nut
  • Service kit instructions are available for download here: Manuals and Technical Data Sheets

Lock Kits

Lock kits are available for both manual and pneumatic 3-way ball valves.

*Dimensions are in inches unless otherwise specified

Part IDReference NumberA B C D E F G H Ball Port End Cap Type End Cap Tube OD Conductance (L/Sec) 3D CADDrawingUnit PriceIn StockQty, Add To Cart
Part ID3008305Reference NumberTL4150-QF40-H075A 5.33B 5.90C 3.70D 7.90E 5.20F 3.90G 3.90H 3.28Ball Port 1.375End Cap Type QF40End Cap Tube OD 1.50Conductance (L/Sec) 293D CADLoginDrawingLoginUnit Price$1,850.00-
Part ID3008306Reference NumberTL4200-QF50-H075A 6.31B 5.90C 3.70D 7.90E 5.70F 3.90G 4.40H 3.78Ball Port 1.375End Cap Type QF50End Cap Tube OD 2Conductance (L/Sec) 343D CADLoginDrawingLoginUnit PriceRequest a Quote-