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  Description

The Hearken Part-Turn Pneumatic Actuators provide a uniform torque in a sleek case that is used both for the double acting and single acting, The Pneumatic Actuators are avaliable with a variety of accessories and various options, we supply the drives individually or directly on a fully assembled fitting.  The actuators meet ISO5211/DIN3337 ,VDI/VDE 3845 for accessories,Every actuator is hydraulically tested,certified and guaranteed for a minimum of 500,000 Cycles. 


  Main Features & Characteristics

Extruded Aluminum Body
Die-Cast Aluminum End Caps
Position Indicator with NAMUR slot
Blow-Out Proof Pinion
Dual Opposed Rack Pistons
Linear Torque Output (DA Actuator)
Adjustable Travel Stops
NAMUR Solenoid Mount Design


  General Applications

HPA Series Quarter-turn Pneumatic Actuators are specifically designed and remote for control of any quarter-turn application, We can provide a wide range of torque outputs to suit quarter turn ball valves, Butterfly Valves or Rotary plug valves, dampers etc..for complete valve automation solutions.


  Working Pressure   : From 2 bar up to 8 bar.   

-Standard Temperature: -20℃+80℃

-Low Temperature: -50℃+80℃

-High Temperature: -15℃+150℃ 


   Operating Conditions

Operating media: dry or lubricated air, the non-corrosive gases or oil 

Travel Adjustment: Have adjustment range of ±5º for the rotation at 90º

Lubrication: Under normal operating condition,not need accrete lubricant. 

Application: Either indoor or outdoor.  


   Range of Standard Accessories are availiable for direct mounting

-Solenoid Valve

-Limit Switchboxes

-Positioners 

-Declutchable Manual Override Gearbox 

-High Visibility Indicator 


   Material Of Parts

No.

Description 

Material 

Qty

No.

Description 

Material 

Qty 

1

Indicator Screw

ABS

1

15

O-ring Adjust Screw 

NBR (VITON or EPDM on request)

2

2

Position Indicator

ABS

1

16

Washer Adjust Screw 

Stainless Steel 304 

2

3

Spring Clip

Stainless Steel 304 

1

17

Nut Adjust Screw 

Stainless Steel 304 

2

4

Metal Washer

Stainless Steel 304 

1

18

Adjust Screw 

Stainless Steel 304 

2

5

Outer Washer

Engineering Plastic

1

19

Piston 

Die Cast Aluminum Alloy

2

6

 Body

Extruded Aluminum Alloy 

1

20

Piston Bearing

Engineering Plastic/Anodized

2

7

Inner Washer

Engineering Plastic/ Hard Anodized 

1

21

Bearing Piston 

Engineering Plastic

2

8

Travel Stop 

Alloy Steel 

1

22

O-ring Piston 

NBR (VITON or EPDM on request)

2

9

O-ring Pinoin Top 

NBR (VITON or EPDM on request)

1

23

Spring Group

Spring Steel 

0~12

10

Bearing Pinoin Top

Engineering Plastic

1

24

O-ring End Cap 

NBR (VITON or EPDM on request)

2

11

Pinion

Alloy Steel (Electroless Nickel Plated)/ SS304 is Optional 

1

25

End Cap

Cast Aluminum/Polyester Paint

2

12

Bearing

Engineering Plastic

1

26

Cap Screw

Stainless Steel 304 

8

13

Bearing Pinoin Bottom

NBR (VITON or EPDM on request)

1

27

Stop Screw

Stainless Steel 304 

2

14

Hole Sealant

NBR (VITON or EPDM on request)

2

28

Nut Stop Screw 

Stainless Steel 304 

2


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Outline Dimensions : 

MODEL A B C D E G H I J K L M N Z Y
Air Supply
HPA- 040 23 33.5 20 60 87 30 50 - F05 - M6X10 11X11 13 124 93 34 NUMAR G1/8″
HPA -052 30 41 20 72 92 30 80 F03 F05 M5X8 M6X10 11X11 15 145 104 34 NUMAR G1/4″
HPA -063 36 46 20 89 109 30 80 F05 F07 M6X10 M8X12 14X14 15 169 124 34 NUMAR G1/4″
HPA- 075 42 52 20 100 120 30 80 F05 F07 M6X10 M8X12 14X14 15 201 121 34 NUMAR G1/4″
HPA- 083 46 55 20 109 129 30 80 F05 F07 M6X10 M8X12 14X14 15 209 147 34 NUMAR G1/4″
HPA- 092 51 57.5 20 117 137 30 80 F05 F07 M6X10 M8X12 17X17 17 242 168 41 NUMAR G1/4″
HPA-105 58 64 20 134 154 30 80 F07 F10 M8X12 M10X16 22X22 25 275 186 41 NUMAR G1/4″
HPA-125 67.5 70 30 157 187 30 80 F07 F10 M8X12 M10X16 22X22 25 332 207 41 NUMAR G1/4″
HPA-140 76 77 30 174 204 30 130 F10 F12  M10X16 M12X20 27X27 30 404 268 41 NUMAR G1/4″
HPA-160 86.5 87.5 30 199 229 30 130 F10 F12 M10X16 M12X20 27X27 30 470 308 41 NUMAR G1/4″
HPA-190 103 103 30 233 270 30 130 F10 F12 M10X16 M12X20 36X36 34 537 390 79 NUMAR G1/4″
HPA-210 113 113 30 257 295 30 130 - F12 - M12X20 36X36 34 540 390 79 NUMAR G1/4″
HPA-240 129 129 30 293 332 30 130 - F16 - M20X24 46X46 34 602 428 79 NUMAR G1/4″
HPA-270 146 146 30 333 371 30 130 - F16 - M20X24 46X46 52 732 510 79 NUMAR G1/4″

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