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AT Pneumatic Actuator

Torque Range: 10-10000nm
Stroke Range: 0-90 degrees
Protection Class: IP67
Control Mode: Double Acting, Single Acting normally closed, Single acting normally open
Structure: Rack and Pinion Piston Type
Valve Available: Butterfly Valve, Ball Valve, Air Valve
Surface Treatment: Hard Oxygen Anode
Accessories: Solenoid Valve, Air Filter Pressure Reducing Valve, Echo Device, Hand Wheel, Electrical Positioner
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1. AT Pneumatic Actuator Product Overview
At new pinion and rack type pneumatic actuators through CAD three-dimensional model innovation optimization design, beautiful appearance, compact, modern shape;The utility model materials and new processes are adopted to make the quality and performance of the products more reliable.Multi-specification selection is more economical and affordable;The products are in full compliance with international standards and specifications to meet the present and future needs.
 
2. AT Pneumatic Actuator  Product Features

1, Rack and Pinion double piston symmetrical structure design, fast and stable action, high precision, large output power, through a simple change of piston assembly position can be obtained in the opposite direction of rotation.

2. Extruded high-quality aluminum alloy cylinder body, the inner hole and outer surface of the precision machining are hard anodized (anodized + Teflon coating under special circumstances), long service life, low friction coefficient.

3, integrated design, all the double acting and single acting actuator type number, have the same cylinder and end cover, it is convenient to change the mode of action by adding spring or removing spring.

4, The combination type preloading safety spring group, whether in the assembly process or in the use of the site, can be convenient and safe installation or increase or decrease the number of springs.

5. Two separate adjusting screws on the external side are more accurate and convenient for the actuator installed on the valve. The opening and closing position of the regulating valve is more accurate.

6, Multi-function position indicator, field visual indication, in line with VID/ Vie3845, NAMUR standard slot, can install and output all accessories, such as limit switch box, electrical locator, position sensor (Pepper + Fuck, Turck).

7, Air source interface in line with NRMAR standard, can be directly installed NUMAR standard solenoid valve.

8, The composite bearing bush and piston guide ring on the back of the rack and the bearing of the output shaft to prevent the metal-to-metal friction, and increase lubrication, so that the low friction, prolong the service life.

9. All fasteners are made of stainless steel for long-term corrosion resistance.

10, The connection part conforms to the new international standard ISO5211, DIN3337 (F03-F25), so that the production and installation have interchangeability and versatility.

 
3. Working Principle Of Double Acting Type(ATD)

 图片.png

CCW:
A Inlet. Compressed air overcomes the spring force.
Pushing the piston outward movement, the output shaft of the actuator rotates counterclockwise (0°→90°), B outlet exhaust;
The actuator loses air, the piston moves inward under the action of the spring force, the output shaft of the actuator rotates clockwise (90°→0°), and the A port exhausts.
 
 CW:
A Inlet Air, compressed air to overcome the spring force.
Pushing the piston outward movement, the output shaft of the actuator rotates clockwise (0°→90°), B outlet exhaust;
The actuator loses air. The piston moves inward under the action of a spring force.
The output shaft of the actuator rotates counterclockwise (90°→0°), and outlet A exhausts.


4. Working Principle Of Single ActingType(ATE)
 图片.png

CCW:
Port A intake, compressed air to push the piston outward movement, so that the actuator output shaft counterclockwise rotation (0°→90°), port B exhaust.
Port B inlet, compressed air to push the piston inward movement, so that the actuator output shaft clockwise rotation (90°→0°), port A exhaust.
 
CW:

A inlet, compressed air to push the piston outward movement, so that the actuator output shaft clockwise rotation (0°→90°), B outlet exhaust.
Port B inlet, compressed air to push the piston inward movement, so that the actuator output shaft counterclockwise rotation (90°→0°), port A exhaust.
 
5.AT Pneumatic Actuator Technical Parameters
 图片.png

Technical Parameters
Spare PartsAnticorrosion Grade
AB
Cylinder BlockAnodic HardeningManual operation mechanism can realize manually open and close the valve
End CapMetallic Polyester CoatingTeflon Coating
Output ShaftElectroless Nickel Plating on Carbon SteelElectroless Nickel Plating on Carbon Steel or Stainless Steel
Use OccasionGeneral OccasionsGeneral Occasions or Low Concentration Acidic Environment
Anatomical Parameters
Part NumberQuantity Per SetPart NameStandard MaterialsSelection Of Materials
011(1)Left End CapDie-cast Aluminium AlloyStainless Steel
021(1)Left End CapDie-cast Aluminium AlloyStainless Steel
031Cylinder BlockExtruded Aluminum alloyStainless Steel
042PistonDie-cast Aluminium Alloy-
051Output Shaftcarbon SteelStainless Steel
061Adjusting CamStainless Steel-
072O-ring(End cover)Nitrile RubberFluoro or Silicone rubber
082O-ring(Piston)Nitrile RubberFluoro or Silicone rubber
091O-ring(Bottom of output shaft)Nitrile RubberFluoro or Silicone rubber
101O-ring(top of output shaft)Nitrile RubberFluoro or Silicone rubber
112O-ring(Adjusting bolt)Nitrile RubberFluoro or Silicone rubber
122Plug Head (cylinder block)Nitrile RubberFluoro or Silicone rubber
132Bearing (Piston)Fluorocarbon Composites-
141Bearing (Top of output shaft)Nylon 46-
151Bearing (Top of output shaft)Nylon 46-
161Guide Bearing(Piston back)Nylon 46-
172Thrust Bearing (output shaft)Nylon 46-
182Gasket (output shaft)Nylon 46-
191Elastic Retaining RingStainless Steel-
208/12/16(2)End Cover BoltStainless Steel-
218/12/16(2)End Cover GasketStainless Steel-
222GasketsStainless Steel-
232NutStainless Steel-
242Adjusting BoltStainless Steel-
252Guide BlockNylon66+30%FG-
265-12Spring ComponentsAlloy spring Steel-
271Position IndicatorPP+30%FG-
281ScrewStainless Steel-


Main dimensions(mm)
ModelAT50AT63AT75AT88AT100AT115AT125AT145AT160AT180AT200AT240AT265AT330
D/E
ISO flangeF04F05F05-07F05-07F07-10F07-10F07-10F10-12F10-12F12F14F16F16F16
A140.5158.5210.5247.5268.5315345408.5437.5487546633728876
B26.53030.532.537.542.54547.55258.562.578.5165187
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φD4040404040565665658080115115115
E597284.597.5111127136156.5169190.5213251298.5383
F6985102115127145157177196220.5245298.5330405
G293642.549.5566469.5808899110131163.5201
H41.5475256.867778291.599105112131166204.5
I14.514.514.514.514.524.524.524.524.544.544.544.544.544.5
J min1216161919242429292938384857
k1111171717272727273636363636
L808080808080808080130130130130130
M3030303030303030303030303030
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P14-M64-M64-M64-M64-M84-M84-M84-M104-M104-M124-M164-M204-M204-M20
P--4-M84-M84-M104-M104-M104-M124-M12-----
口Q1114141717222227272736364655
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YM5x8M5x8M5x8M5x8M5x8M5x8M5x8M5x8M5x8M5x8M5x8M6x10M6x10M6x10
Z1/8"1/8"1/8"1/8"1/4"1/4"1/4"1/4"1/4"1/4"1/4"3/8"1/2"1/2"