DRILL STEM SAFETY VALVE

Hi-Kalibre Equipment Drill Stem Safety Valves (DSSV) are widely used for both blow out prevention and mud control during drilling operations. Our valves are in service in every oil producing country in the world, and on the biggest rigs in the world. Using our patented Dual Ball Valve, top drive manufacturers can now produce equipment with greatly reduce stack heights while maintaining independent blow out prevention functionality.

Zoomed in view of a drill steam safety valve with hexagons behind it

https://www.hikalibre.com/wp-content/uploads/2025/11/Product-Drill-Stem-Saferty-Valves-Design.webp
  • Standard one-piece body with full drift bores
  • Patented upper split ring and seat design for ease of equalization and improved serviceability.
  • Patented Dual Ball technology available, which incorporates two independent valves and single body.
  • Can be remotely actuated with our patented Rotary Hydraulic Actuator.
  • Balanced stem stop design for accurate, robust stopping and proper ball alignment.
  • Gas tight, metal to metal seat seals, in both directions.
  • Reduced stem diameters for low torque operation even under maximum pressure.
  • Removable inserts protect the stem seal areas in the body and provide maximum body life.
  • API Spec 8C tested and compliant configurations available
  • NACE trim.
  • Available in a wide variety of sizes and end connections.
  • Reliable, field proven, serviceable design.
  • Working pressures up to 5,000 – 20,000 psi
  • Standard bore sizes ranging from 1.13″ up to 4″
    (Custom engineered sizes available)
  • Available with standard and premium drill pipe end
    connections
  • Meets or exceeds API 7-1 and other relevant
    specifications
  • NACE/H₂S trim standard
  • Class 2 tested

If you don’t see what you’re looking for, complete our custom inquiry form or reach out to our sales team at [email protected]

, Drilling Technology Specialist DRILLING SERVICE COMPANY

“Recently I had the opportunity to visit Hi-Kalibre's Edmonton shop as we had purchased custom downhole valves. During my time there, I had the opportunity to witness Pressure Testing, Quality Control and the packaging up for our equipment in preparation for shipping. It was clear that the Hi-Kalibre shop is like no other, being exceptionally clean and organized, with high priority of safety.”.

, Drilling Technology Specialist DRILLING SERVICE PROVIDER

“Throughout our entire relationship with Hi-Kalibre, their manufacturing experience, exceptional engineering knowledge and the support of overall performance of equipment has been relatively stress free. ”.

, Multi Service Specialist DRILLING SERVICE PROVIDER

“Hi-Kalibre's delivery of of sound product solutions, integrity and respect is clearly paramount and to simply add a cherry to the top, they have an effective and solid team in which they should be proud of. Thank you to the Hi-Kalibre team. ”.

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