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V701 Series

V701 Series. Venturi Seat Valve. V701 Series. Size range: 1” – 16” ANSI Class 150 – 600 Class 1500 & 2500 also available Body Materials: CS, SS, CM End Connection: Flanged (retains seat ring) Trim 17-4PH and 316SS available Chrome-Iron for severe services

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V701 Series

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  1. V701 Series Venturi Seat Valve

  2. V701 Series • Size range: 1” – 16” • ANSI Class 150 – 600 • Class 1500 & 2500 also available • Body Materials: CS, SS, CM • End Connection: Flanged (retains seat ring) • Trim • 17-4PH and 316SS available • Chrome-Iron for severe services • As hard as tool steel, HRC 53 (min.)

  3. V701 Design • Designed for erosive services • Slurries: Alumina Bauxite • Flashing services: power plants prior to anti-cavitation trims • Expanded body reduces fluid velocity by 50% • Large diameter stem and long guide engagement

  4. Venturi Seat • Flow over design • Venturi seat reduces outlet velocity as it enters downstream pipe or vessel. • Often connected directly to vessel or sacrificial pipe. • Reduced trim is standard • Full may be available

  5. V701 Bonnets • Clamp bonnet • Union nut • Pressure seal • Holds plate for bonnet mount • Bolted bonnet • Integral actuator mounting pad 1” – 8” 10” – 16”

  6. Actuator Selection • Flow over and high seat load require stiff high thrust actuators. • Perfect application for REXA • Historically used • Pnuematic pistons (Conoflow) • Hydraulic pistons (Ortman) • Rotomotor (Hammel Dahl) • Some small units have used S/D

  7. Rotomotor • All pneumatic • Heavy duty • Gear driven • Integral positioner • High thrust / torque • Long stroke • Once state of the art • now long obsolete

  8. Rotomotor Operation • Pneumatic positioning system • 4-way pilot valve • Reversible air driven motor • Gear drive

  9. Rotomotors on 14” V701 in Louisiana

  10. Bayer Process To turn bauxite into alumina; • Grind the ore & mix it with lime and caustic soda • Pump mix into high-pressure containers & heat • The aluminum oxide is dissolved by the caustic soda, then precipitated out of this solution, washed, and heated to drive off water. • What’s left is the white powder called alumina, which is transformed into aluminum metal in the smelting process.

  11. Bauxite Processing • Digestion • Clarification • Precipitation • Calcincation

  12. Voith Hydro • Needle Valves, 8” – 16” • Bypass / start-up for Main control valve

  13. Valtek - Survivor • This is what Valtek does • Unbalanced • Flow over • Piston • Optional PSZ ceramic trim • Fisher – 461 • Caldera Eng.

  14. Industrias Controlpro S.A. de C.V. Blvd. Antonio L. Rodríguez No. 3058 Desp. 404-B Plaza Delphi Col. Santa Maria, Monterrey Nuevo León C.P. 64650 Teléfonos: (81) 8356-2582, (81) 8356-1907, (81) 8356-1898 icontrolpro@prodigy.net.mx www.industriascontrolpro.com

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