Instruction Manual
D103799X012
685SE/685SR Piston Actuator
September 2014
4
Table 3. Pressure Connections
ACTUATOR SIZE
SUPPLY CONNECTION
Size, NPT Quantity (Top/Bottom)
10 3/8
1/1
2/2 (standard)
12 3/4
1/1
2/2 (standard)
14 to 28
3/4 (standard), 1, or 11/4
1/1
2/2 (standard)
3/4 (standard), 1, or 11/4
1/1
2/2 (standard for 3/4 NPT only)
Table 4. Approximate Weights for Constructions without Manual Override
ACTUATOR
TYPE
MAX
VALVE
TRAVEL
APPROXIMATE WEIGHT FOR ACTUATOR SIZE, kg (lbs)
mm
(inches)
10 12 14 16 18 20 22 24 26 28
685SE
25 (1.00) 109 (241) 147 (324) 221 (487) 270 (596) 315 (694) 462 (1018) 489 (1079) 680 (1500) 776 (1710) 931 (2053)
51 (2.00) 114 (251) 156 (344) 231 (510) 284 (625) 329 (725) 479 (1056) 510 (1124) 704 (1551) 802 (1768) 957 (2110)
102 (4.00) 122 (270) 174 (383) 252 (556) 310 (683) 358 (789) 514 (1132) 551 (1215) 750 (1654) 855 (1884) 1009 (2225)
152 (6.00) 131 (289) 192 (423) 273 (601) 336 (740) 387 (852) 548 (1209) 592 (1305) 797 (1757) 907 (2000) 1061 (2339)
203 (8.00) 140 (308) 210 (462) 293 (647) 362 (798) 415 (916) 583 (1285) 633 (1396) 843 (1859) 960 (2116) 1113 (2454)
254 (10.00) 148 (327) 227 (501) 314 (693) 388 (855) 444 (979) 617 (1361) 674 (1486) 890 (1962) 1012 (2232) 1165 (2569)
305 (12.00) 157 (346) 245 (541) 335 (738) 414 (913) 473 (1042) 652 (1437) 715 (1577) 937 (2065 ) 1065 (2348) 1217 (2683)
356 (14.00) 165 (365) 263 (580) 356 (784) 440 (971) 502 (1106) 686 (1513) 756 (1667) 983 (2168 ) 1118 (2464) 1269 (2798)
406 (16.00) 174 (384) 281 (619) 376 (829) 466 (1028) 530 (1169) 721 (1589) 797 (1758) 1030 (2270) 1170 (2580) 1321 (2912 )
457 (18.00) 183 (403) 299 (659) 397 (875) 493 (1086) 559 (1233) 756 (1667) 838 (1848) 1076 (2373) 1223 (2696) 1373 (3027 )
508 (20.00) 191 (422) 317 (698) 418 (921) 519 (1143) 588 (1296) 790 (1742) 879 (1939) 1123 (2476) 1275 (2812) 1425 (3142 )
559 (22.00) 200 (441) 334 (737) 438 (966) 545 (1201) 617 (1359) 825 (1818) 921 (2029) 1170 (2578) 1328 (2928) 1477 (3256 )
610 (24.00) 209 (460) 352 (776) 459 (1012) 571 (1259) 645 (1423) 859 (1894) 962 (2120) 1216 (2681) 1381 (3044) 1529 (3371 )
685SR
25 (1.00) 127 (281) 165 (363) 242 (533) 311 (685) 353 (778) 479 (1056) 557 (1228) 760 (1676) 869 (1915) 1101 (2427)
51 (2.00) 132 (291) 174 (384) 253 (557) 325 (716) 368 (812) 497 (1096) 578 (1273) 784 (1727) 895 (1973) 1127 (2485)
102 (4.00) 142 (312) 193 (426) 275 (605) 352 (776) 398 (878) 534 (1176) 619 (1364) 830 (1830) 948 (2089) 1179 (2599)
152 (6.00) 151 (333) 212 (468) 297 (654) 380 (837) 429 (945) 570 (1257) 660 (1454) 877 (1933) 1000 (2206) 1231 (2714)
203 (8.00) 161 (354) 232 (511) 318 (702) 407 (898) 459 (1012) 606 (1337) 701 (1545) 923 (2035 ) 1053 (2322) 1283 (2829)
254 (10.00) 170 (375) 251 (553) 340 (750) 435 (958) 489 (1079) 643 (1417) 742 (1635) 970 (2138 ) 1106 (2438) 1335 (2944)
305 (12.00) 180 (396) 270 (595) 362 (798) 462 (1019) 520 (1146) 679 (1497) 783 (1726) 1016 (2241) 1159 (2554) 1387 (3059 )
356 (14.00) 189 (417) 289 (638) 384 (847) 490 (1079) 550 (1212) 716 (1577) 824 (1816) 1063 (2344) 1211 (2670) 1439 (3173 )
406 (16.00) 199 (438) 308 (680) 406 (895) 517 (1140) 580 (1279) 752 (1657) 865 (1907) 1110 (2446) 1264 (2786) 1491 (3288 )
457 (18.00) 208 (459) 328 (722) 428 (943) 545 (1201) 611 (1346) 788 (1738) 906 (1997) 1156 (2549) 1317 (2903) 1544 (3403 )
508 (20.00) 218 (480) 347 (765) 450 (991) 572 (1261) 641 (1413) 825 (1818) 947 (2088) 1203 (2652) 1369 (3019) 1596 (3518 )
559 (22.00) 227 (501) 366 (807) 472 (1039) 600 (1322) 671 (1480) 861 (1898) 988 (2178) 1249 (2754) 1422 (3135) 1648 (3633 )
610 (24.00) 237 (522) 385 (849) 493 (1088) 627 (1382) 702 (1547) 897 (1978) 1029 (2269) 1296 (2857) 1475 (3251) 1700 (3747 )
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