AsahiAmerica Thermoplastic Valves

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Asahi/AmericaActuation-Electric Pneumatic
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Asahi/AmericaActuation

• Actuator Packages
• State of the Art Design
• Ability to Interface
• In-House Manufacturing
• Specials
• Over 25 Years Experience

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Asahi/AmericaActuation Markets

• Water Purification
• Waste Treatment
• Chemical
• Landfills
• Aquariums
• Off Shore Applications
• Semiconductor

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Asahi/AmericaElectric Pneumatic Actuators
Series 83-Electromni Series 94-Quartermaster Ser
ies 92-Quartermaster Chief Series 79- Pneumatic
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Asahi/AmericaActuation

• Actuator Packages

(Multiturn)
(90-180 Electric)
(90 Pneumatic)
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Asahi/AmericaActuation

• State of the Art

Castings Strength Test
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Asahi/AmericaActuation

• Ability to Interface

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Asahi/AmericaActuation
In-House Manufacturing
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Asahi/AmericaQuality Control
ISO 9001 Certified
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Asahi/AmericaQuality Control Actuation

• Design Life 250,000 cycles minimum
• Assembly Process
• Parts Inspection
• 100 Testing
• Serializing
• Appearance

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Asahi/AmericaActuation
Electric Actuator Terminology

• Reversing/Unidirectional
• Duty Cycle
• Nema Ratings
• Switches
• Flow Control Loop

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Asahi/AmericaActuation
Unidirectional Rotates in one direction only and
stops every 90 degrees until signaled to move
again. Reversing Rotates clockwise to open a
valve and counterclockwise to close a valve.
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Asahi/AmericaActuation
Electric Actuator Design-Spur Gear
Stator
Capacitor
Gearbox
Motor
Pinion Gear
Main Output Gear
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Asahi/AmericaActuation
Duty Cycle
Duty Cycle is the ratio between actuator cycle
time and the cool off time required based on
100 to avoid thermal cut out. Example 25
Duty Cycle means that the unit can be cycled 25
of the time. If the actuator is cycled for 1
minute continuously, Necessary cool off time is 3
minutes.
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Asahi/AmericaActuation
Nema Ratings (Non Hazardous Locations)

• Type 1 General Purpose - Indoor
• Type 2 Dripproof - Indoor
• Type 3 Dusttight, Raintight and Sleet (Ice)-Proof
  - Outdoor
• Type 3R Rainproof and Sleet (Ice)-Resistant -
  Outdoor
• Type 3S Dusttight, Raintight and Sleet
  (Ice)-Proof - Outdoor
• Type 4 Watertight and Dusttight - Indoor and
  Outdoor
• Type 4X Watertight, Dusttight and
  Corrosion-Resistant - Indoor and Outdoor
• Type 5 Superseded by Type 12 for Control
  Apparatus
• Type 6 Submersible, Watertight, Dripproof and
  Sleet (Ice)- Resistant - Indoor and Outdoor
• Type 11 Corrosion-Resistant and Dripproof -
  Oil-immersed - Indoor
• Type 12 Industrial Use - Dusttight and Dripproof
  - Indoor
• Type 13 Oiltight and Dusttight - Indoor

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Asahi/AmericaActuation
Nema Ratings (Hazardous Locations)

• Type 7 Class I, Group A, B, C, or D - Indoor
  Hazardous Locations - Air-break Equipment
• Type 8 Class I, Group A, B, C, or D - Indoor
  Hazardous Locations - Oil-Immersed Equipment
• Type 9 Class II, Group E, F, or G - Indoor
  Hazardous Locations - Air-break Equipment
• Type 10 Bureau of Mines

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Asahi/AmericaActuation
Nema Ratings (Hazardous Location Class
Divisions)
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Asahi/AmericaActuation
Nema Ratings (Hazardous Class Divisions)
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Asahi/AmericaActuation
Nema Ratings ( Hazardous Class Divisions)
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Asahi/America Wiring Schematic Series 92
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Asahi/AmericaActuation
Aluminum
316 SS
Plastic (Glass filled Polyamide)
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Asahi/AmericaActuation
Pneumatic Actuator Terminology

• Designs
• Double Acting (Air to Air)
• Single Acting (Spring Return)
• Switches

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Asahi/America
Actuator Types
Double Acting (Air to Air) Requires air to open
and air to close. No fail position if air supply
is lost. Spring Return (Air to Spring) Requires
air to open only, once air is exhausted springs
close the valve. Fail position open or close if
air supply is lost.
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Asahi/AmericaActuation
Double Piston Rack Pinion
Namur Dimensions
Piston
Rack
Concentric Springs
Pinion
Double O Ring Sealing
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Asahi/America Actuation-Switches
SPST
Line Voltage
(Single Pole Single Throw) Used for Solenoid
Valves
SPDT
Line Voltage
(Single Pole Double Throw) Used for one Electric
Actuator
DPDT
A
Equipment
(Double Pole Double Throw) Used for two Electric
Actuators
Line Voltage
B
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Asahi/America Flow Control Loop
4-20 ma
Þ Ý
Positioner
Set Point Controller
Actuator
Sensor
Valve