Fisher 685SE Instructions Manual page 4

Piston actuator
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685SE/685SR Piston Actuator
June 2017
Table 3. Pressure Connections
ACTUATOR SIZE
10
12
14 to 28
Table 4. Approximate Weights for Constructions without Manual Override
MAX
VALVE
ACTUATOR
TRAVEL
TYPE
mm
10
(inches)
25 (1.00)
109 (241)
51 (2.00)
114 (251)
102 (4.00)
122 (270)
152 (6.00)
131 (289)
203 (8.00)
140 (308)
254 (10.00)
148 (327)
305 (12.00)
157 (346)
685SE
356 (14.00)
165 (365)
406 (16.00)
174 (384)
457 (18.00)
183 (403)
508 (20.00)
191 (422)
559 (22.00)
200 (441)
610 (24.00)
209 (460)
25 (1.00)
127 (281)
51 (2.00)
132 (291)
102 (4.00)
142 (312)
152 (6.00)
151 (333)
203 (8.00)
161 (354)
254 (10.00)
170 (375)
305 (12.00)
180 (396)
685SR
356 (14.00)
189 (417)
406 (16.00)
199 (438)
457 (18.00)
208 (459)
508 (20.00)
218 (480)
559 (22.00)
227 (501)
610 (24.00)
237 (522)
4
3/4 (standard), 1, or 1­1/4
3/4 (standard), 1, or 1­1/4
APPROXIMATE WEIGHT FOR ACTUATOR SIZE, kg (lbs)
12
14
16
147 (324)
221 (487)
270 (596)
156 (344)
231 (510)
284 (625)
174 (383)
252 (556)
310 (683)
192 (423)
273 (601)
336 (740)
210 (462)
293 (647)
362 (798)
227 (501)
314 (693)
388 (855)
245 (541)
335 (738)
414 (913)
263 (580)
356 (784)
440 (971)
281 (619)
376 (829)
466 (1028)
299 (659)
397 (875)
493 (1086)
317 (698)
418 (921)
519 (1143)
334 (737)
438 (966)
545 (1201)
352 (776)
459 (1012)
571 (1259)
165 (363)
242 (533)
311 (685)
174 (384)
253 (557)
325 (716)
193 (426)
275 (605)
352 (776)
212 (468)
297 (654)
380 (837)
232 (511)
318 (702)
407 (898)
251 (553)
340 (750)
435 (958)
270 (595)
362 (798)
462 (1019)
289 (638)
384 (847)
490 (1079)
308 (680)
406 (895)
517 (1140)
328 (722)
428 (943)
545 (1201)
347 (765)
450 (991)
572 (1261)
366 (807)
472 (1039)
600 (1322)
385 (849)
493 (1088)
627 (1382)
SUPPLY CONNECTION
Size, NPT
3/8
3/4
18
20
315 (694)
462 (1018)
489 (1079)
329 (725)
479 (1056)
510 (1124)
358 (789)
514 (1132)
551 (1215)
387 (852)
548 (1209)
592 (1305)
415 (916)
583 (1285)
633 (1396)
444 (979)
617 (1361)
674 (1486)
473 (1042)
652 (1437)
715 (1577)
502 (1106)
686 (1513)
756 (1667)
530 (1169)
721 (1589)
797 (1758) 1030 (2270) 1170 (2580) 1321 (2912)
559 (1233)
756 (1667)
838 (1848) 1076 (2373) 1223 (2696) 1373 (3027)
588 (1296)
790 (1742)
879 (1939) 1123 (2476) 1275 (2812) 1425 (3142)
617 (1359)
825 (1818)
921 (2029) 1170 (2578) 1328 (2928) 1477 (3256)
645 (1423)
859 (1894)
962 (2120) 1216 (2681) 1381 (3044) 1529 (3371)
353 (778)
479 (1056)
557 (1228)
368 (812)
497 (1096)
578 (1273)
398 (878)
534 (1176)
619 (1364)
429 (945)
570 (1257)
660 (1454)
459 (1012)
606 (1337)
701 (1545)
489 (1079)
643 (1417)
742 (1635)
520 (1146)
679 (1497)
783 (1726) 1016 (2241) 1159 (2554) 1387 (3059)
550 (1212)
716 (1577)
824 (1816) 1063 (2344) 1211 (2670) 1439 (3173)
580 (1279)
752 (1657)
865 (1907) 1110 (2446) 1264 (2786) 1491 (3288)
611 (1346)
788 (1738)
906 (1997) 1156 (2549) 1317 (2903) 1544 (3403)
641 (1413)
825 (1818)
947 (2088) 1203 (2652) 1369 (3019) 1596 (3518)
671 (1480)
861 (1898)
988 (2178) 1249 (2754) 1422 (3135) 1648 (3633)
702 (1547)
897 (1978)
1029 (2269) 1296 (2857) 1475 (3251) 1700 (3747)
Instruction Manual
D103799X012
Quantity (Top/Bottom)
1/1
2/2 (standard)
1/1
2/2 (standard)
1/1
2/2 (standard)
1/1
2/2 (standard for 3/4 NPT only)
22
24
26
680 (1500)
776 (1710)
704 (1551)
802 (1768)
750 (1654)
855 (1884) 1009 (2225)
797 (1757)
907 (2000) 1061 (2339)
843 (1859)
960 (2116) 1113 (2454)
890 (1962) 1012 (2232) 1165 (2569)
937 (2065) 1065 (2348) 1217 (2683)
983 (2168) 1118 (2464) 1269 (2798)
760 (1676)
869 (1915) 1101 (2427)
784 (1727)
895 (1973) 1127 (2485)
830 (1830)
948 (2089) 1179 (2599)
877 (1933) 1000 (2206) 1231 (2714)
923 (2035) 1053 (2322) 1283 (2829)
970 (2138) 1106 (2438) 1335 (2944)
28
931 (2053)
957 (2110)

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