نام محصول:
محرک دریچه پنوماتیک
نام انگلیسی:
Pneumatic valve actuator G
برند:
ASCO
مشخصات:
The Bettis G-Series pneumatic, scotch yoke, valve actuator is a highly unique and reliable actuator for operating ball, butterfly or plug valves along with louvers, dampers and other 90 degree rotating mechanisms. Suitable for use in demanding SIL-required applications.
Features
Consistently operates in challenging environments, hostile environments, and when power is challenged
Modular design improves efficiency reduces wear extends life
Patented Tension-Lok; device positively locks the spring module to allow its safe removal and installation, eliminating accidental release of the spring force
PED 97/23/EC compliant to meet the stringent requirements of pressure mounting vessels
Meets both IP66 and IP67M specifications for submergence and high pressure water deluge test and offers superior water ingress and corrosion protection
Offers multiple configurations, with a modular design that enables safe field maintenance and reduced inventory costs
Interchangeable power and spring modules for quick reversal of the fail-safe mode
Suitable for use in demanding applications requiring SIL environment
Specifications
Actuation Fail-Safe, Quarter-turn, Spring-Return, Double-Acting
Certifications ATEX, PED, (CE), SIL capable, NACE,TRCU/EAC/GOST, SHELL DEP, ABS
Control Type On/off
Valve Type Ball, Butterfly, Plug, Triple Offset Valves, Other Quarter-Turn Devices
توضیحات:
Type
pneumatic
Movement
quarter-turn
Technology
Scotch yoke
Configuration
double-acting
Protection class
IP66
Other characteristics
for butterfly valves, ATEX, for ball valves, spring-return
Torque
Max.: 678,000 Nm(500,067.14 ft.lb)Min.: 339,000 Nm(250,033.57 ft.lb)
Pressure
14 bar(203.1 psi)
Ambient temperature
Max.: 177 °C(351 °F)Min.: -29 °C(-20 °F)
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