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Why Does an Electric Actuator Overheat During Operation?
Learn how cycling, valve resistance, electrical conditions and the installa...
The HPAC(B) Series is a heavy-duty Scotch-yoke pneumatic actuator designed for high-torque valve automation. Compared to a standard rack-and-pinion actuator with the same cylinder bore, the Scotch-yoke mechanism produces significantly higher torque. The torque curve of a Scotch-yoke actuator matches the specific torque requirements of rotary valves, such as ball valves and butterfly valves.
The Scotch-yoke mechanism produces higher torque than rack-and-pinion designs of the same cylinder bore. Its torque curve aligns directly with the opening and closing requirements of ball and butterfly valves.
The standard rotary range is 90°±10°. The actuator can be set and fixed at any angle within a 100° rotating range, making it compatible with non-90° rotary systems.
Instead of plastic components, two rigid metallic bearings are embedded into the top and bottom of the output shaft body. This design increases the total operating lifecycle by 30%.
The aluminum surface utilizes a micro-arc oxidation coating that grows into the metal substrate for strong adhesion. It provides a hardness of 1000–2000HV (maximum 3000HV), neutral salt spray resistance of 800–1000 hours (maximum 2000 hours), and an insulation resistance of ≥100MΩ to prevent galvanic corrosion.
|
No |
Part Name |
Materials |
Remarks |
No |
Part Name |
Materials |
Remarks |
|
1 |
Body |
Extruded Aluminum |
Hard Anodized |
15 |
Piston O-Ring |
NBR/EPDM/FKM |
Standard: NBR |
|
2 |
Shaft |
Steel Alloy |
Nickl Plated |
16 |
Piston Pin |
Steel Alloy |
|
|
3 |
Crank |
Steel Alloy |
|
17 |
Piston Roller |
Steel Alloy |
|
|
4 |
Body Top Bearing |
PTFE Steel Alloy+PTFE |
|
18 |
Piston Pad |
Engineering Plastic |
|
|
5 |
Body Topo-Ring |
NBR/EPDM/FKM |
Standard: NBR |
19 |
End Cover |
Aluminum Diecasting |
Blue Epoxy Coated |
|
6 |
Top Shaft Roller |
Engineering Plastic |
|
20 |
Cover O-Ring |
NBR/EPDM/FKM |
|
|
7 |
Body Bottom Bearing |
PTFE Steel Alloy+PTFE |
|
21 |
Cover Bolt |
Stainless Steel |
|
|
8 |
Body Bottom O-Ring |
NBR/EPDM/FKM |
Standard: NBR |
22 |
Spring Cap |
Engineering Plastic |
|
|
9 |
Bottom Shaft Roller |
Engineering Plastic |
|
23 |
Spring |
Spring Alloy |
Epoxy Coted |
|
10 |
Body Bottom Washer |
Steel Alloy |
|
24 |
Stopper |
Steel Alloy |
|
|
11 |
Body Top Washer |
Steel Alloy |
|
25 |
Adjust Washer |
Stainless Steel |
|
|
12 |
Body Snap Ring |
Steel Alloy |
|
26 |
Adjust Nut |
Stainless Steel |
|
|
13 |
Piston |
Aluminum Diecasting |
|
27 |
Adjust O-Ring |
NBR/EPDM/FKM |
Standard: NBR |
|
14 |
Piston Gudgeon Ring |
Engineering Plastic |
|
28 |
Adjust Bolt |
Stainless Steel |
|
|
Double Acting |
Single Acting |
||||
|
Model |
A |
B |
Model |
A(Fail Close) |
A(Fail Open) |
|
HPAC(B)052DA |
0.2 |
0.2 |
HPAC(B)052SR |
0.2 |
0.2 |
|
HPAC(B)063DA |
0.3 |
0.3 |
HPAC(B)063SR |
0.3 |
0.3 |
|
HPAC(B)083DA |
0.6 |
0.5 |
HPAC(B)083SR |
0.6 |
0.5 |
|
HPAC(B)105DA |
1.2 |
1.1 |
HPAC(B)105SR |
1.2 |
1.0 |
|
HPAC(B)125DA |
2.5 |
2.2 |
HPAC(B)125SR |
2.5 |
2.1 |
|
HPAC(B)140DA |
3.9 |
3.5 |
HPAC(B)140SR |
3.9 |
3.3 |
|
HPAC(B)160DA |
4.8 |
4.3 |
HPAC(B)160SR |
4.8 |
4.0 |
|
HPAC(B)190DA |
5.8 |
7.5 |
HPAC(B)190SR |
5.8 |
6.1 |
|
HPAC(B)210DA |
6.2 |
9.9 |
HPAC(B)210SR |
6.2 |
7.6 |
|
HPAC(B)240DA |
8.0 |
12.8 |
HPAC(B)240SR |
8.0 |
9.9 |
|
MODEL |
Angle |
3Bar Close |
3Bar Open |
4Bar Close |
4Bar Open |
4.5Bar Close |
4.5Bar Open |
5Bar Close |
5Bar Open |
5.5Bar Close |
5.5Bar Open |
6Bar Close |
6Bar Open |
|
HPAC(B)052DA |
0 |
35.8 |
29.8 |
49.1 |
39.6 |
56.1 |
44.0 |
62.3 |
48.8 |
69.2 |
53.0 |
77.4 |
58.1 |
|
45 |
17.0 |
17.4 |
22.9 |
23.2 |
26.0 |
26.0 |
28.9 |
28.7 |
32.0 |
31.8 |
34.7 |
34.5 |
|
|
90 |
27.6 |
27.2 |
36.6 |
36.8 |
41.1 |
41.5 |
45.8 |
46.6 |
50.0 |
51.4 |
54.3 |
56.3 |
|
|
HPAC(B)063DA |
0 |
59.5 |
48.5 |
81.9 |
64.7 |
93.4 |
72.3 |
105.1 |
80.9 |
116.8 |
89.9 |
127.5 |
98.7 |
|
45 |
30.7 |
31.0 |
41.0 |
39.0 |
46.5 |
44.6 |
51.9 |
49.2 |
57.3 |
54.2 |
61.8 |
58.9 |
|
|
90 |
53.1 |
54.7 |
69.8 |
69.8 |
78.9 |
78.9 |
87.3 |
88.1 |
95.8 |
97.3 |
110.1 |
108.2 |
|
|
HPAC(B)075DA |
0 |
88.8 |
87.0 |
118.4 |
116.0 |
133.2 |
130.5 |
148.0 |
145.0 |
162.8 |
159.5 |
177.6 |
174.0 |
|
45 |
59.4 |
59.4 |
79.2 |
79.2 |
89.1 |
89.1 |
99.0 |
99.0 |
108.9 |
108.9 |
118.8 |
118.8 |
|
|
90 |
84.6 |
82.8 |
112.8 |
110.4 |
126.9 |
124.2 |
141.0 |
138.0 |
155.1 |
151.8 |
169.2 |
165.6 |
|
|
HPAC(B)083DA |
0 |
124.5 |
117.9 |
175.4 |
149.7 |
199.7 |
166.5 |
226.0 |
184.5 |
251.5 |
201.5 |
278.2 |
217.1 |
|
45 |
67.5 |
71.5 |
90.5 |
91.0 |
102.7 |
103.2 |
114.3 |
114.2 |
126.9 |
126.4 |
138.3 |
138.3 |
|
|
90 |
109.9 |
123.0 |
147.0 |
155.2 |
164.5 |
165.8 |
183.0 |
176.7 |
200.9 |
188.0 |
219.5 |
194.9 |
|
|
HPAC(B)092DA |
0 |
162.5 |
159.6 |
216.7 |
212.8 |
243.7 |
239.4 |
270.8 |
266.0 |
297.9 |
292.6 |
325.0 |
319.2 |
|
45 |
111.6 |
111.6 |
148.8 |
148.8 |
167.4 |
167.4 |
186.0 |
186.0 |
204.6 |
204.6 |
223.2 |
223.2 |
|
|
90 |
159.9 |
157.0 |
213.3 |
209.3 |
239.9 |
235.5 |
266.6 |
261.7 |
293.2 |
287.8 |
319.9 |
314.0 |
|
|
HPAC(B)105DA |
0 |
258.4 |
231.8 |
358.2 |
300.2 |
415.2 |
335.4 |
465.5 |
367.7 |
514.9 |
399.0 |
570.0 |
432.3 |
|
45 |
134.9 |
139.7 |
189.1 |
187.2 |
213.8 |
211.9 |
236.6 |
234.7 |
260.3 |
258.4 |
285.0 |
283.1 |
|
|
90 |
231.8 |
240.4 |
307.8 |
331.6 |
343.0 |
376.2 |
380.0 |
419.9 |
414.2 |
465.5 |
448.4 |
515.9 |
|
|
HPAC(B)125DA |
0 |
403.8 |
406.6 |
551.0 |
528.2 |
627.0 |
586.2 |
707.8 |
641.3 |
772.4 |
691.6 |
864.5 |
741.0 |
|
45 |
233.7 |
233.7 |
313.5 |
313.5 |
356.3 |
356.3 |
398.1 |
398.1 |
439.9 |
439.9 |
480.7 |
480.7 |
|
|
90 |
399.0 |
361.0 |
520.6 |
493.1 |
584.3 |
554.8 |
643.2 |
613.7 |
700.2 |
688.8 |
756.2 |
755.3 |
|
|
HPAC(B)140DA |
0 |
560.0 |
565.0 |
746.7 |
753.3 |
840.0 |
847.5 |
933.3 |
941.7 |
1026.7 |
1035.8 |
1120.0 |
1130.0 |
|
45 |
302.0 |
302.0 |
402.7 |
402.7 |
453.0 |
453.0 |
503.3 |
503.3 |
553.7 |
553.7 |
604.0 |
604.0 |
|
|
90 |
510.0 |
540.0 |
680.0 |
720.0 |
765.0 |
810.0 |
850.0 |
900.0 |
935.0 |
990.0 |
1020.0 |
1080.0 |
|
|
HPAC(B)160DA |
0 |
856.9 |
931.0 |
1142.5 |
1241.3 |
1285.4 |
1396.5 |
1428.2 |
1551.7 |
1571.0 |
1706.8 |
1713.8 |
1862.0 |
|
45 |
477.9 |
477.9 |
637.1 |
637.1 |
716.8 |
716.8 |
796.4 |
796.4 |
876.1 |
876.1 |
955.7 |
955.7 |
|
|
90 |
817.0 |
845.5 |
1089.3 |
1127.3 |
1225.5 |
1268.3 |
1361.7 |
1409.2 |
1497.8 |
1550.1 |
1634.0 |
1691.0 |
|
|
HPAC(B)190DA |
0 |
1320.5 |
1387.0 |
1760.7 |
1849.3 |
1980.8 |
2080.5 |
2200.8 |
2311.7 |
2420.9 |
2542.8 |
2641.0 |
2774.0 |
|
45 |
791.4 |
791.4 |
1055.1 |
1055.1 |
1187.0 |
1187.0 |
1318.9 |
1318.9 |
1450.8 |
1450.8 |
1582.7 |
1582.7 |
|
|
90 |
1102.0 |
1178.0 |
1469.3 |
1570.7 |
1653.0 |
1767.0 |
1836.7 |
1963.3 |
2023.3 |
2159.7 |
2204.0 |
2356.0 |
|
|
HPAC(B)210DA |
0 |
1871.5 |
1957.0 |
2495.3 |
2609.3 |
2807.3 |
2935.5 |
3119.2 |
3261.7 |
3431.1 |
3587.8 |
3743.3 |
3914.0 |
|
45 |
1026.0 |
1026.0 |
1368.0 |
1368.0 |
1539.0 |
1539.0 |
1710.0 |
1710.0 |
1881.0 |
1881.0 |
2052.0 |
2052.0 |
|
|
90 |
1662.5 |
1691.1 |
2216.7 |
2254.7 |
2493.8 |
2536.5 |
2770.8 |
2818.3 |
3047.9 |
3100.2 |
3325.0 |
3382.0 |
|
MODEL |
Angle |
Spring W |
Supply Air 3Bar Open |
Supply Air 4Bar Open |
Supply Air 4.5Bar Open |
Spring S |
Supply Air 4Bar Open |
Supply Air 4.5Bar Open |
Supply Air 5Bar Open |
Spring P |
Supply Air 4.5Bar Open |
Supply Air 5Bar Open |
Supply Air 5.5Bar Open |
|
HPAC(B)052SR |
0.0 |
18.8 |
12.9 |
23.5 |
27.6 |
20.6 |
20.1 |
24.5 |
29.2 |
23.5 |
24.4 |
28.6 |
33.9 |
|
45.0 |
10.5 |
5.5 |
11.7 |
14.3 |
12.0 |
10.5 |
13.4 |
16.3 |
12.7 |
12.4 |
15.5 |
18.3 |
|
|
90.0 |
19.7 |
5.7 |
15.2 |
20.3 |
22.4 |
12.5 |
17.5 |
22.0 |
23.2 |
14.4 |
19.3 |
24.5 |
|
|
HPAC(B)063SR |
0.0 |
31.3 |
20.3 |
36.4 |
44.2 |
34.4 |
32.7 |
41.2 |
48.8 |
37.2 |
38.1 |
46.0 |
54.1 |
|
45.0 |
19.5 |
9.8 |
20.1 |
24.9 |
21.5 |
19.0 |
24.5 |
29.3 |
23.3 |
20.7 |
25.5 |
30.1 |
|
|
90.0 |
39.8 |
9.8 |
28.5 |
38.5 |
42.5 |
23.3 |
32.3 |
41.6 |
48.6 |
28.9 |
38.2 |
48.5 |
|
|
HPAC(B)075SR |
0.0 |
46.4 |
42.4 |
72.0 |
86.8 |
52.2 |
66.2 |
81.0 |
95.8 |
58.0 |
75.2 |
90.0 |
104.8 |
|
45.0 |
39.6 |
19.8 |
39.6 |
49.5 |
44.6 |
34.7 |
44.6 |
54.5 |
49.5 |
39.6 |
49.5 |
59.4 |
|
|
90.0 |
66.2 |
18.4 |
46.6 |
60.7 |
74.5 |
38.3 |
52.4 |
66.5 |
82.8 |
44.1 |
58.2 |
72.3 |
|
|
HPAC(B)083SR |
0.0 |
67.1 |
48.4 |
89.1 |
106.5 |
73.4 |
78.9 |
96.1 |
112.7 |
83.5 |
92.8 |
110.3 |
128.7 |
|
45.0 |
45.8 |
22.6 |
45.3 |
56.2 |
49.9 |
40.1 |
52.4 |
63.6 |
55.7 |
47.6 |
59.3 |
71.3 |
|
|
90.0 |
86.9 |
11.3 |
49.3 |
70.8 |
104.0 |
43.6 |
63.0 |
84.6 |
109.9 |
50.1 |
69.6 |
90.6 |
|
|
HPAC(B)092SR |
0.0 |
85.1 |
74.5 |
131.5 |
158.6 |
95.7 |
117.0 |
148.0 |
175.1 |
106.4 |
137.3 |
164.4 |
191.5 |
|
45.0 |
74.4 |
37.2 |
74.4 |
93.0 |
83.7 |
65.1 |
83.7 |
102.3 |
93.0 |
74.4 |
93.0 |
111.6 |
|
|
90.0 |
125.6 |
31.4 |
87.7 |
114.3 |
141.3 |
68.0 |
98.6 |
125.3 |
157.0 |
129.6 |
109.6 |
136.2 |
|
|
HPAC(B)105SR |
0.0 |
154.7 |
107.4 |
187.2 |
228.0 |
172.0 |
169.1 |
207.1 |
245.1 |
193.8 |
197.6 |
236.6 |
275.5 |
|
45.0 |
91.2 |
48.8 |
96.9 |
120.7 |
101.7 |
83.2 |
107.4 |
131.1 |
110.2 |
100.2 |
124.5 |
147.3 |
|
|
90.0 |
174.0 |
46.6 |
130.2 |
171.0 |
197.6 |
110.2 |
152.0 |
192.9 |
211.2 |
134.0 |
174.8 |
220.4 |
|
|
HPAC(B)125SR |
0.0 |
219.5 |
191.0 |
326.8 |
390.5 |
249.9 |
300.2 |
370.5 |
436.1 |
282.2 |
341.1 |
403.8 |
469.3 |
|
45.0 |
147.3 |
78.9 |
157.7 |
197.6 |
165.3 |
139.7 |
178.6 |
218.5 |
185.3 |
174.8 |
216.6 |
257.5 |
|
|
90.0 |
290.7 |
81.7 |
214.7 |
287.9 |
333.5 |
172.9 |
239.4 |
306.9 |
373.4 |
198.6 |
262.2 |
330.6 |
|
|
HPAC(B)140SR |
81.0 |
301.3 |
354.7 |
448.0 |
541.3 |
339.0 |
410.7 |
504.0 |
597.3 |
376.7 |
466.7 |
560.0 |
653.3 |
|
91.3 |
201.3 |
151.0 |
201.3 |
251.7 |
226.5 |
176.2 |
226.5 |
276.8 |
251.7 |
201.3 |
251.7 |
302.0 |
|
|
101.6 |
432.0 |
187.0 |
272.0 |
357.0 |
486.0 |
221.0 |
306.0 |
391.0 |
540.0 |
255.0 |
340.0 |
425.0 |
|
|
HPAC(B)160SR |
111.9 |
496.5 |
542.7 |
685.5 |
828.3 |
558.6 |
628.4 |
771.2 |
914.0 |
620.7 |
714.1 |
856.9 |
999.7 |
|
122.1 |
318.6 |
238.9 |
318.6 |
398.2 |
358.4 |
278.7 |
358.4 |
438.0 |
398.2 |
318.6 |
398.2 |
477.9 |
|
|
132.4 |
676.4 |
299.6 |
435.7 |
571.9 |
761.0 |
354.0 |
490.2 |
626.4 |
845.5 |
408.5 |
544.7 |
680.8 |
|
|
HPAC(B)190SR |
142.7 |
739.7 |
836.3 |
1056.4 |
1276.5 |
832.2 |
968.4 |
1188.5 |
1408.5 |
924.7 |
1100.4 |
1320.5 |
1540.6 |
|
153.0 |
527.6 |
395.7 |
527.6 |
659.5 |
593.5 |
461.6 |
593.5 |
725.4 |
659.5 |
527.6 |
659.5 |
791.4 |
|
|
163.3 |
942.4 |
404.1 |
587.7 |
771.4 |
1060.2 |
477.5 |
661.2 |
844.9 |
1178.0 |
551.0 |
734.7 |
918.3 |
|
|
HPAC(B)210SR |
173.6 |
1043.7 |
1185.3 |
1497.2 |
1809.1 |
1174.2 |
1372.4 |
1684.4 |
1996.3 |
1304.7 |
1559.6 |
1871.5 |
2183.4 |
|
183.9 |
684.0 |
513.0 |
684.0 |
855.0 |
769.5 |
598.5 |
769.5 |
940.5 |
855.0 |
684.0 |
855.0 |
1026.0 |
|
|
194.1 |
1352.8 |
609.6 |
886.7 |
1163.8 |
1521.9 |
720.4 |
997.5 |
1274.6 |
1691.0 |
831.3 |
1108.3 |
1385.4 |
|
MODEL |
B |
ISO |
P.C.D |
N-G |
K |
L |
T |
T1 |
H |
H1 |
CH |
DP |
Weight(Kg) |
|
HPAC(B)052DA |
80 |
F03/F05/F07 |
36/50/70 |
4-M5/M6/M8 |
9 |
162 |
75 |
40 |
90 |
70 |
11×11 |
13 |
1.4 |
|
HPAC(B)063DA |
80 |
F05/F07 |
50/70 |
4-M6/M8 |
13 |
202 |
89 |
46 |
107 |
87 |
14×14 |
17 |
2.3 |
|
HPAC(B)083DA |
80 |
F05/F07 |
50/70 |
4-M6/M8 |
13 |
253 |
101 |
49.5 |
126 |
106 |
17×17 |
19 |
3.9 |
|
HPAC(B)105DA |
80 |
F07/F10 |
70/102 |
4-M8/M10 |
19 |
311 |
129 |
61.5 |
148 |
128 |
22×22 |
26 |
6.7 |
|
HPAC(B)125DA |
80 |
F07/F10 |
70/102 |
4-M8/M10 |
19 |
390 |
151 |
71.5 |
174 |
154 |
22×22 |
26 |
11.3 |
|
HPAC(B)140DA |
80 |
F10/F12 |
102/125 |
4-M10/M12 |
24 |
431 |
164 |
77 |
192 |
172 |
27×27 |
30 |
16.4 |
|
HPAC(B)160DA |
80 |
F14 #F10/F12 |
140 #102/125 |
4-M16 #4-M10/M12 |
24 |
506 |
188 |
89 |
216 |
196 |
36×36 #27×27 |
30 |
23.7 |
|
HPAC(B)190DA |
130 |
F14 |
140 |
4-M16 |
30 |
578 |
217 |
102 |
254 |
224 |
36×36 |
30 |
34.8 |
|
HPAC(B)210DA |
130 |
F16 |
165 |
4-M20 |
36 |
605 |
231 |
115 |
284 |
254 |
46×46 |
60 |
45.5 |
|
HPAC(B)240DA |
130 |
F16 |
165 |
4-M20 |
36 |
755 |
301 |
152 |
335 |
305 |
46×46 |
60 |
65.8 |
|
MODEL |
B |
ISO |
P.C.D |
N-G |
K |
L |
T |
T1 |
H |
H1 |
CH |
DP |
Weight(Kg) |
|
HPAC(B)052SR |
80 |
F03/F05/F07 |
36/50/70 |
4-M5/M6/M8 |
9 |
257 |
75 |
40 |
90 |
70 |
11×11 |
13 |
1.6 |
|
HPAC(B)063SR |
80 |
F05/F07 |
50/70 |
4-M6/M8 |
13 |
314 |
89 |
46 |
107 |
87 |
14×14 |
17 |
3.0 |
|
HPAC(B)083SR |
80 |
F05/F07 |
50/70 |
4-M6/M8 |
13 |
421 |
101 |
49.5 |
126 |
106 |
17×17 |
19 |
5.3 |
|
HPAC(B)105SR |
80 |
F07/F10 |
70/102 |
4-M8/M10 |
19 |
500 |
129 |
61.5 |
148 |
128 |
22×22 |
26 |
9.5 |
|
HPAC(B)125SR |
80 |
F07/F10 |
70/102 |
4-M8/M10 |
19 |
606 |
151 |
71.5 |
174 |
154 |
22×22 |
26 |
17.6 |
|
HPAC(B)140SR |
80 |
F10/F12 |
102/125 |
4-M10/M12 |
24 |
682 |
164 |
77 |
192 |
172 |
27×27 |
30 |
23.9 |
|
HPAC(B)160SR |
80 |
F14 #F10/F12 |
140 #102/125 |
4-M16 #4-M10/M12 |
24 |
781 |
188 |
89 |
216 |
196 |
36×36 #27×27 |
30 |
36.6 |
|
HPAC(B)190SR |
130 |
F14 |
140 |
4-M16 |
30 |
894 |
217 |
102 |
254 |
224 |
36×36 |
30 |
56.9 |
|
HPAC(B)210SR |
130 |
F16 |
165 |
4-M20 |
36 |
982 |
231 |
115 |
284 |
254 |
46×46 |
60 |
77.2 |
|
HPAC(B)240SR |
130 |
F16 |
165 |
4-M20 |
36 |
1108 |
301 |
152 |
335 |
305 |
46×46 |
60 |
119.6 |
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