3 torques, 1 single-acting actuator ra-1, 2 double-acting actuator ra-2 – Richter RA Series Actuators User Manual
Page 4: 1 single-acting, Actuator, Ra-1, 2 double-acting, Ra-2, Series ra, Installation and operating manual
Installation and Operating Manual
Series RA
9590-050-de
Revision 01
TM 5515 MPE/Wm
Seite 4
Edition 07/2003
1.3 Torques
1.3.1 Single-acting actuator RA-1
Minimum torques (Nm) at control air pressure P
St
min and actuator type (in brackets: no. of springs)
Control
3 bar
3,5 bar
4 bar
4,5 bar
5 bar
5,5 bar
6 bar
pressure
43,5 psi
50,8 psi
58 psi
65,3 psi
72,5 psi
79,8 psi
87 psi
RA-1-046
2,5 (3)
3,2 (4)
3,3 (4)
4,0 (5)
4,2 (6)
4,9 (6)
5,2 (7)
RA-1-056
4,0 (4)
5,0 (5)
5,0 (6)
6,0 (6)
7,0 (7)
7,5 (8)
8,0 (8)
RA-1-066
6,5
(4) 8,0
(5) 8,5
(6) 9,5
(6) 11
(7) 12,5
(8) 13
(8)
RA-1-076
11
(5) 13
(5) 15
(6) 18
(7) 19
(8) 20
(9) 23
(9)
RA-1-086
15
(5) 18
(5) 22
(6) 25
(7) 27
(8) 29
(9) 32
(9)
RA-1-096
22
(5) 26
(6) 30
(7) 34
(8) 37
(9) 40
(10) 43
(11)
RA-1-110
31
(4) 38
(5) 42
(6) 46
(6) 53
(7) 61
(8) 63
(9)
RA-1-115
44
(4) 55
(5) 63
(6) 66
(7) 77
(7) 88
(8) 94
(9)
RA-1-127
60 (4)
74 (5)
89 (6)
98
(7)
104 (7)
119 (8)
134 (9)
RA-1-143
81 (4)
92 (4)
115 (5)
121
(6)
138 (6)
161 (7)
162 (8)
RA-1-163
117 (4)
147 (5)
176 (6)
196 (7)
208 (8)
235 (8)
264 (9)
RA-1-185
238
(5) 266
(6) 310
(6) 361
(7) 413
(8) 448
(9) 476
(10)
RA-1-210
286
(5) 319
(6) 353
(7) 401
(7) 459
(8) 516
(9) 571
(10)
RA-1-250
462 (4)
578 (5)
694 (6)
772
(7)
817 (8)
925 (8)
1040 (9)
RA-1-254
567 (5)
623 (6)
739 (6)
862
(7)
985 (8)
1077 (9)
1133 (10)
RA-1-300
739 (6)
897 (8)
1058 (9)
1219
(10)
1354
(11)
1478 (12)
1601 (13)
1.3.2 Double-acting actuator RA-2
Minimum torques (Nm) at control air pressure P
St
min and actuator type
Control
3 bar
3,5 bar
4 bar
4,5 bar
5 bar
5,5 bar
6 bar
pressure
43,5 psi
50,8 psi
58 psi
65,3 psi
72,5 psi
79,8 psi
87 psi
RA-2-046
7
8
9
10 11 13 14
RA-2-056
12
14
16 18 19 21 23
RA-2-066
17
20
23 26 29 31 34
RA-2-076
30
35
40 45 50 55 60
RA-2-086
42
49
56 63 70 77 84
RA-2-096
59 69 79 89 99 109 119
RA-2-110
85 99
113 127 141 155 169
RA-2-115
127
148
169 190 211 232 254
RA-2-127
176
206
235 265 294 323 353
RA-2-143
264
308
352 396 440 484 528
RA-2-163
338
395
451 508 564 620 677
RA-2-185
592 691 789 888 987 1085 1184
RA-2-210
711 829 948 1066 1185 1303 1421
RA-2-250
1373
1602
1831 2059 2288 2517 2746
RA-2-254
1716
2002
2288 2574 2860 3146 3432
RA-2-300
2345
2736
3127 3518 3909 4300 4691