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Model SI - Back to Air Piston Vibrators
 Springless Single Impact Vibrator
Sledge-Hammer Action Stops Bridging of Materials
+ Data Chart
+ Sizing Chart
The single impact vibrator delivers one impact at a maximum frequency of once every three seconds through a five-port spool valve. A timer is used to vary the cycle required. Single impactors are most effective for sticky materials because they are less likely than continuous vibration to cause packing in hoppers.
Low maintenance is guaranteed by a combination of a springless design and only one moving part. The single impactor makes less noise and consumes less air than most air and electric vibrators because there is no continuous blast of exhausting air.
Like VMSAC and VMS, the SI has a one-piece, rugged ductile iron cylinder housing which decreases the weight of the vibrator. It may be mounted on any appropriately sized mounting channel, and comes complete with heavy-duty mounting fasteners and a gasket.
Data Charts
| Model |
Dimensions in/cm |
WT lbs/kg |
Air CNSMP
cf/stroke
liter/stroke
@ 80 psig
5.4 bar |
Energy Per Impact
ft lbs/cm
kg psig/bar |
| Piston Dia. |
A |
B |
C |
D |
E |
F |
G |
H |
@20
@1.4 |
@40
@2.7 |
@60
@4.1 |
@80
@5.4 |
@100
@6.8 |
| 1125 |
1-1/4
3.2 |
6-3/8
16.2 |
3
7.6 |
2
5.1 |
3
7.6 |
1/2
1.3 |
1/4
.6 |
2
5.1 |
3/8
1.0 |
8
3.6 |
.010
.3 |
3
41 |
6
83 |
8
111 |
11
152 |
14
194 |
| 1200 |
2
5.1 |
6-1/2
16.5 |
4-1/2
11.4 |
3
7.6 |
4-1/2
11.4 |
5/8
1.6 |
1/4
.6 |
3
7.6 |
1/2
1.3 |
18
8.2 |
.020
.6 |
6
83 |
12
166 |
19
263 |
25
346 |
31
429 |
| 1300 |
3
7.6 |
8-5/16
21.1 |
5-3/4
14.6 |
4-1/8
10.5 |
5-3/4
14.6 |
3/4
1.9 |
3/8
1.0 |
4-1/8
10.5 |
1/2
1.3 |
32
15 |
.084
2.4 |
21
290 |
43
595 |
64
885 |
86
1189 |
108
1493 |
| 1350 |
3-1/2
8.9 |
10
25.4 |
6
15.2 |
4-1/8
10.5 |
6
15.2 |
3/4
1.9 |
1/2
1.3 |
4-1/8
10.5 |
3/4
1.9 |
39
18 |
.120
3.4 |
43
595 |
86
1189 |
129
1784 |
172
2378 |
215
2973 |
| 1400 |
4
10.2 |
11-7/8
30.2 |
8-5/8
21.9 |
6-1/4
15.9 |
8-5/8
21.9 |
1-1/4
3.2 |
1/2
1.3 |
6-1/4
15.9 |
3/4
1.9 |
109
49 |
.242
6.9 |
88
1217 |
177
2447 |
265
3664 |
354
4894 |
442
6111 |
| 1500 |
5
12.7 |
16-3/8
41.6 |
10-1/2
26.7 |
7-7/16
18.9 |
10-1/2
26.7 |
1-1/4
3.2 |
3/4
1.9 |
7-7/16
18.9 |
1
2.5 |
253
115 |
.526
14.9 |
197
2724 |
394
4065 |
592
5420 |
789
10909 |
986
13632 |
| 1700 |
7
17.8 |
19-3/4
50.2 |
13-1/2
34.3 |
8-1/2
21.6 |
16
40.6 |
1-1/2
3.8 |
1
2.5 |
13
33.0 |
1-1/4
3.2 |
550
249 |
1.078
30.5 |
356
4922 |
712
9844 |
1069
14780 |
1425
19702 |
1781
24624 |
| 1900 |
9
22.9 |
19-3/4
50.2 |
15-1/2
39.4 |
8-1/2
21.6 |
16
40.6 |
1-1/2
3.8 |
1-1/4
3.2 |
13
33.0 |
1-1/2
3.8 |
700
318 |
1.658
47.0 |
568
7853 |
1136
15710 |
1704
23560 |
2277
31482 |
2840
39266 |
Optional Accessories
+ Spool valve*
+ Timer*
+ Mounting Channel*
+ Hoses*
+ Railcar Bracket
* Included in complete kit for a 5% savings
For more information please contact our sales department at 800-221-3298
Model SI Sizing Chart
| A (feet) |
B (feet) |
Model Required |
# Required |
Mounting Location |
| 1 - 2 |
1 - 2 |
1125 |
1 |
1 |
| 1 - 2 |
3 - 5 |
1125 |
2 |
1 |
| 1 - 5 |
1 - 5 |
1200 |
1 |
1 |
| 1 - 5 |
6- 10 |
1200 |
2 |
2 |
| 6 - 10 |
6 - 10 |
1300 |
1 |
1 |
| 6 - 10 |
11 - 15 |
1300 |
2 |
2 |
| 11 - 15 |
11 - 15 |
1350 |
1 |
1 |
| 11 - 15 |
16 - 20 |
1350 |
2 |
2 |
| 16 - 20 |
16 - 20 |
1350 |
2 |
2 |
| 16 - 20 |
10 - 25 |
1400 |
1 |
1 |
| 21 - 25 |
10 - 25 |
1400 |
2 |
2 |
| 26 - 35 |
10 - 25 |
1500 |
1 |
1 |
| 36 - 50 |
10 - 25 |
1500 |
2 |
2 |
Hammer Formula
The use of the hammer formula actually requires the use of a hammer or sledge hammer to impart shock to the surface that is to receive the impact. The tests should be conducted under conditions as close to actual as possible.
A = distance hammer travels ( 1 ft. minimum; 3 ft. maximum)
B = weight of hammer (Recommended weight. = 1 to 8 lbs. depending on the mass to receive the shock)
C = arm power (light = 3, medium = 6, heavy = 9)
Example: 3 ft, 8 Lbs, with Medium Arm Power (6)
3 X 8 X 6 = 144 Ft. Lbs.
Had the above example been an actual test and the 144 ft. lb. energy been sufficient to satisfy the requirement, the next step would then be to refer to the technical data section. Using the 60 P.S.I. ratings, select the impactor that comes closest to your test data.
In the case of the example above, the Model SI 1350 would be best suited.
Note: the 60 PSI ratings will normally allow for sufficient plus or minus power required for the actual use of the impactor.
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 Cleveland Vibrator Company
2828 Clinton Avenue
Cleveland, Ohio 44113
Phone: 216-241-7157
phone: 1-(800) 221-3298
Fax: 216-241-3480
Email: sales@clevelandvibrator.com |
We accept Visa, Mastercard, and American Express
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