E-Series Pneumatic and Hydraulic Quarter Turn Valve A Daniel Industries Company alve Operators
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Design: Scotch yoke mechanism for high breakaway and reseat torque: ideal for quarter turn valves
Construction:
Modular, with basic drive case/cylinder combinations to most economically suit field requirements
Pistol type for reliable, positive sealing
Double acting or spring return styles
Stabilized drive rods where required by sideloads
Safe, reliable and field removable spring cartridges
Tie rod cylinder construction for simplified maintenance
Material:
Durable, lightweight cast aluminum drive cases are standard – ideal for low temperature and sour service conditions
Ductile iron or cast steel drive cases available
Stress relieved cast steel or ductile iron yokes
Filament wound fiberglass pneumatic cylinders (steel cylinders optional); steel hydraulic cylinders
Nitrite seals are standard; special low temperature or fluoroelastomer seals are also available
No brass or bronze components
Special trims and coatings for corrosive applications
Mounting: Easily adaptable to all quarter turn valves
Controls:
Complete control packages to suit specific applications
Local, remote, failsafe or self-contained hydraulic systems using Bettis components in conjunction with field proven accessories
Temperature: Low temperature trim is standard: -50oF to +150oF (Buny/Polyslide)
Trim: High temperature trim is optional: -20oF to +200oF (H-T Fluoroelastomer/Steel)
-20oF to +225oF (H-T Fluoroelastomer/Steel)
Extreme low temperature is optional: -65oF to +150oF (Fsi/Polyslide)
Special: Custom design and manufacturing available to meet unique requirements