Instruction Manual
D103626X012
685 Piston Actuator
June 2017
4
Table 3. Thrust
ACTUATOR SIZE STROKE
THRUST AT SUPPLY PRESSURE, N (LBF)
(1)
4.1 barg (60 psig) 5.5 barg (80 psig) 6.9 barg (100 psig)
10.3 barg
(150 psig)
(2)
12
Push
30183 (6786) 40245 (9048) 50306 (11310) 75459 (16965)
14 41083 (9236) 54777 (12315) 68472 (15394) 102707 (23091)
16 53659 (12064) 71546 (16085) 89432 (20106) 134149 (30159)
18 67913 (15268) 90550 (20358) 113188 (25447) 169782 (38170)
20 83843 (18850) 111790 (25133) 139738 (31416) 209607 (47124)
22 101450 (22808) 135266 (30411) 169083 (38013) 253625 (57020)
24 120734 (27143) 160978 (36191) 201223 (45239) 301834 (67858)
26 141694 (31856) 188926 (42474) 236157 (53093) 354236 (79639)
12
Pull
29540 (6641) 39387 (8855) 49234 (11069) 73851 (16603)
14 39773 (8942) 53030 (11922) 66288 (14903) 99432 (22354)
16 52349 (11769) 69799 (15692) 87248 (19615) 130873 (29423)
18 66602 (14974) 88803 (19965) 111004 (24956) 166506 (37434)
20 81956 (18425) 109275 (24567) 136593 (30709) 204890 (46063)
22 99563 (22384) 132751 (29845) 165938 (37306) 248907 (55959)
24 118166 (26566) 157555 (35422) 196944 (44277) 295416 (66415)
26 139127 (31279) 185503 (41705) 231878 (52131) 347817 (78196)
1. Consult your Emerson sales office or Local Business Partner for supply pressures below 40 psig.
2. Maximum available thrust.
Table 4. Approximate Weights for Constructions without Handwheels
MAXIMUM
VALVE TRAVEL
APPROXIMATE WEIGHT FOR ACTUATOR SIZE, kg (lbs)
mm (inches) 12 14 16 18 20 22 24 26
102 (4.00) 402 (886) 475 (1048) 662 (1459) 761 (1677)
203 (8.00) 430 (947) 505 (1114) 702 (1548) 804 (1771)
305 (12.00) 157 (346) 245 (541) 292 (643) 337 (742) 457 (1008) 535 (1180) 743 (1637) 847 (1866)
406 (16.00) 168 (370) 262 (577) 311 (686) 358 (789) 485 (1069) 565 (1246) 783 (1726) 889 (1961)
508 (20.00) 179 (395) 278 (614) 331 (729) 379 (836) 512 (1129) 595 (1311) 823 (1815) 932 (2056)
610 (24.00) 190 (420) 295 (650) 350 (773) 401 (883) 540 (1190) 625 (1377) 864 (1904) 975 (2150)
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