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Bettis Stainless Steel M Series

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Product Description

The Bettis Stainless Steel M Series is designed for reliable performance in the harshest environments. The all stainless steel construction resists corrosion in a variety of demanding applications from chemical processing to power, water wastewater, oil and gas, and mining. This high-performance actuator is built tough with stainless steel cylinders and PFTE piston bearings to provide longer life and reduce downtime. The man-safe spring design requires no special tools to disarm springs safely and easily. This tough actuator is designed and built in the USA for reliable performance in the severest environments.

Specifications

Power Source
Pnuematic
Product Type
Pneumatic Actuator
Actuation
Fail-Safe, Quarter-turn, Spring-Return, Double-Acting
Certifications
ATEX, PED, (CE), SIL capable,TRCU/EAC/GOST, SHELL DEP
Control Type
On/off
Valve Type
Ball, Butterfly, Plug, Triple Offset Valves, Other Quarter-Turn Devices
Operating Temperature
Standard range: -20°F to + 210°F (-29°C to 99°C). Optional ranges: to -65°F (-54°C) or to +300°F (149°C)
Torque/Thrust
Up to 120,000 in-lb (13,560 Nm)
Operating Pressure
40 to 160 psi (3 to 11 barg)
Supply pressure
40 to 160 psi
Supply medium
Air or any gas compatible with materials of construction (water hydraulic optional)

Features

  • Innovative stainless steel construction provides superior internal and external corrosion resistance
  • Scotch yoke design using precision bearings eliminates dead band in the yoke mechanism, providing the greatest torque output at the beginning and end of stroke
  • High strength 17-4 PH stainless output shaft transmits torque and gives long service life
  • Heat-treated stainless steel thrust pin and rollers transfer piston force to yoke to reduce friction for longer life and more efficient torque transmission
  • Bi-directional travel stops provide accurate valve rotation adjustment
  • PTFE piston bearings, piston rod bushings and output shaft bushings provide longer life, reduce maintenance and require no lubrication
  • Universal design position indicator and pointer allows for either parallel or perpendicular mounting
  • Stainless steel construction allows proximity switches to be direct-mounted in the actuator housing, eliminating the need to mount bracket and cam assemblies on top
  • NAMUR drive slot maintains a compact assembly for accessory-driven components with no couplings necessary
  • Available in symmetrical and canted yoke design to suit application
  • Spring return model design requires no special tools to disarm springs safely and easily, reducing down time

Documents & Drawings