TIW Ball- Type Safety Valves are designed to stab into the drill pipe or tubing at the rig floor and close quickly in case a well kicks. The ball-type design permits it to be compact, easy to handle and yet very strong. The Ball Type Safety valve is designed to hold pressure from below the ball only.
TIW Class I & Class II Kelly Valves may be utilized as a Drill Stem Safety Valve or as Upper or Lower Kelly Cock valve and is designed to hold pressure from both directions. The ball is stainless steel and closes easily. The full bore Kelly Valve provides bores equivalent to the drill pipe or tubing connections and won’t interfere with running tools like core barrels or survey tools.
Valves can be configured to match field end connections up to a 4 inch bore
TIW Valve Design and Quality System certified by API
TIW Authorized to API Monogram
Safety and Kelly Valves available for H2S service, meeting all NACE standards
Standard Pressure rating is 10,000 PSI Test with higher pressure rating available.