PRODUCTS GUIDE

Scotch Yoke Pneumatic Actuator

①Partlist

No. part name material   No. part name material
  20 spring module /
1 cylinder end cap QT500-7   21 hydraulic module /
2 stud C45   22 lead screw C45
3 piston rod Alloy steel   23 spring seat C45
4 cylinder end cap QT500-7   24 end cap Carbon Steel
5 up cover HT200   25 end cap C45
6 cover QT500-7   26 guide block QT500-7
7 indicator shaft C45   27 O-ring NBR
8 small cover HT200   28 yoke Carbon Steel
9 indicator board AL   29 body Carbon Steel
10 O-ring NBR   30 adjust bolt C45-Ni
11 bearing H62   31 circlip 65Mn
12 O-ring NBR   32 bearing H62
13 roller GCr15   33 O-ring NBR
14 pin GCr15   34 piston Carbon Steel
15 torque indicator pin 45   35 O-ring NBR
16 worm 45   36 guide ring PTFE
17 Energy saving unit /   37 cylinder C20
18 supporting seat 45   38 O-ring NBR
19 tension rod 45   39 handwheel DI

 

 

②Output Torque

Output Torque/Spring Return（N.m) Available manual overrides

 

 

   Model

 4 Bar 5 Bar 6 Bar spring return torque
  0°             start   90°               end      0°      start    90°    end      0°      start     90°    end          0°        end          0°        end
DFA16-300     2194  1034  2972  1812  1700  2860  handwheel（HW）
DFA16-350 2850  1690  3880  2720      1700  2860 
DFA25-350     3809  2383  5118  3692  2734  4160 
DFA25-450 4191  2765  5922  4496      2734  4160 
DFA30-500     9352  6551  12525  9724  6514  9315  hydraulic pump（HY）
DFA30-550 9100  6300  12700  9900      5700  8500 
DFA35-550     14393  8751  18913  13271  8207  13849 
DFA35-600 13493  7851  18103  12461      8207  13849 
DFA35-700 21177  11174  29665  19669  38161  28157  12786  22789 
DFA40-800  35000  25600  47000  36000      18098  27523 

 

 

Output Torque/Double Acting（N.m) Available manual overrides
Model                   4Bar             5Bar             6Bar                      7Bar
start running start running start running start running
DFA16-300 3115  1869  3894  2362  - - - - DFM series delutchable manual overrides
DFA16-350 4550  2730  - - - - - -
DFA25-350 5235  3141  6543  3926  7852  4711  - -

DFM series delutchable manual overrides

 or hydraulic pump（HY）
DFA25-400 6925  4155  8656  5194  10388  6233  - -
DFA25-450 8412  5047  10515  6309  12618  7571  - - hydraulic pump（HY）
DFA30-450 10280  6168  12580  7548  15420  9252  - -
DFA30-500 12693  7616  15866  9520  - - - -
DFA30-550 14800  8880  18400  11040  22080  13248  - -
DFA35-550 18080  10848  22600  13560  27120  16272  31640  18984 
DFA35-600 21700  13020  26310  15786  31572  18943  - -
DFA35-500DA2 33964 24021 42455 30026 50946 36031 59437 42036
DFA40-600DA2 59778 42276 74723 57095 89668 63414 104612 73984

 

③Dimensions1

MODEL D L L1 L2 H E E1 E2 D1 H1 B T D2 n M1 M2 X Y M3

 Unit Weight  

(KG)DA/S
DFA16-300 365 1628 513 688 107 75 130 280 80 150 22 82 165 4 M20 RC1/2 65 100 M6 150/328
DFA16-350 415
DFA25-350 415 1903 615 823 103 90 165 295 100 175 28 106.4 254 8 M16 RC1/2 65 100 M6 340/480
DFA25-400 465
DFA25-450 515
DFA30-450 515 2335 715 960 137 110 185 368 120 235 32 127.4 298 8 M20 RC3/4 70 140 M8 400/825
DFA30-500 565
DFA30-550 620
DFA35-550 620 2960 920 1230 155 143 220 453 160 261 40 169.4 356 8 M30 RC3/4 70 140 M8 640/1400
DFA35-600 685
DFA35-650 750

*Dimensions above was just suitable for Spring Return type model from DFA16-300S to DFA35-600S, and Single Cylinder Double Acting type model from DFA16-300DA to DFA35-650DA.

③Dimensions2

SIZE A B C E F H d b f L D D1 D2 D3 n-M
DFA35-500DA2 1912 - 157 422 6 135 120 32 134.9 130 530 400 280 350 12-M24
DFA40-600DA2 2286 - 196 512 6 185 160 40 178.8 130 630 500 350 450 12-M27
DFA35-700S 2820 1869 157 422 6 135 120 32 134.9 130 796 400 280 350 12-M24
DFA40-800S 3562 2419 196 512 6 185 160 40 178.8 130 910 500 350 450 12-M27

 

Metric Unit:mm

*Dimensions above was just suitable for Spring Return type model from DFA35-700S to DFA40-800S, and Double Cylinder Double Acting type model from DFA35-500DA2 to DFA40-600DA2.

④Stroke Time&Air Consumption

Double Acting Actuator / Air Consumption
Model  

Cylinder   size/mm

 Travel / mm

Dia of piston  rod/mm

One-stroke

 time/sec.

Air Consumption（L/min）

Air Consumption

 per open/L

Air Consumption  per close/L

Air Consumption   per cycle（L）
DFA16-300DA 300 179 32 20 155.6 14.06 11.22 25.28
DFA16-350DA 359 179 32 20 222.8 20.14 16.71 36.85
DFA25-350DA 359 214 38 20 266.4 23.68 19.65 43.33
DFA25-400DA 410 214 38 20 347.5 30.89 26.25 57.14
DFA25-450DA 450 214 38 20 418.6 37.21 32.11 69.32
DFA30-450DA 450 262 45 20 512.5 44.85 38.69 83.54
DFA30-500DA 500 262 45 20 632.7 55.37 48.5 103.87
DFA30-550DA 540 262 45 20 738 64.58 57.15 121.73
DFA35-550DA 540 342 55 20 963.4 82.9 73.37 156.27
DFA35-600DA 600 342 55 20 1189.3 102.35 91.72 194.07
DFA35-700DA 700 342 55 20 1618.8 139.31 126.86 266.17

 

Spring return Actuator / Air Consumption
Model

Cylinder

 size/mm

Travel 

/ mm

Dia of piston

 rod/mm

One-stroke

 time/sec.

Air Consumption

（L/min）

Air Consumption

 per open/L

Air Consumption 

per cycle（L）
DFA16-350-S4/5 359 179 32 20 222.8 16.71 16.71
DFA25-400-S4/5 410 214 38 20 347.5 26.25 26.25
DFA30-550-S4/5 540 262 45 20 738 57.15 57.15
DFA35-600-S4/5 600 342 55 20 1189.3 91.72 91.72
DFA16-300-S6 300 174 32 20 151.2 10.94 10.94
DFA25-350-S5/6 359 214 38 20 266.4 19.65 19.65
DFA30-500-S5/6 500 262 45 20 632.7 48.5 48.5
DFA35-550-S5/6 540 342 55 20 963.4 73.37 73.37

 

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