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Zwick - Tri-Con Triple Offset / Triple Eccentric Valves

The Zwick Tri-Con triple offset valve is a metal seated valve with the widest laminated seal ring in the market today. These triple offset valves are also known as triple eccentric valves or triple offset butterfly valves. The unique design offers zero leakage which is made possible by true cone-in-cone seating design which ensures frictionless opening and closing with lowest torques and without a break-away torque. The robust design makes the Tri-Con triple offset valve the ideal rotary solution for isolation, on/off and control in today’s demanding process industry. Zwick’s proven design provides 100% tightness in gas services enabling it to be used for critical liquid and gas services. Full repair and reconditioning facilities are available at our Vereeniging and Durban branches. There are hundreds of valves installed in South Africa today in industries like synthetic fuels, oil & gas, chemical and power generation.  Contact one of our technical specialists for a quote today or download the brochure to learn more!

Series
Tri-Con - Triple Offset Valves
Design
Triple Offset / Triple Eccentric Rotary Valve          butterfly valves
Features
  • SIL 3 Bi-directional -Zero leakage
  • Non Rubbing - Self Centering Disc
  • Metal to metal seats
  • Inherently fire safe & tested
  • Quarter turn torque seated
Size Range
50mm to 2200mm / 2” to 88”
Pressure Rating
PN16 - 100 / ANSI 150 - 900
Temperatures
-196°C to +815°C
End Connections
Double flanged / Lug / Wafer / Buttweld / Gate valve face to face
Body Materials
Carbon steel / Stainless Steel / Alloy steels / Special alloys
Ball Materials
Carbon steel / Stainless Steel / Alloy steels
Seat MaterialsResilient metal to metal
Options & accessories
Applications