Dwyer PRV User Manual
Series PRV Pneumatic Roller Vibrator
IN
C
B
D
ØH
A
E
Specifications - Installation and Operating Instructions
H
Model
PRV-1
RV-2
P
RV-3
P
RV-4
P
A
2.01˝ (51 mm)
2.64˝ (67 mm)
3.27˝ (83 mm)
.06˝ (103 mm)
4
B
.39˝ (86 mm)
3
4.45˝ (113 mm)
5.04˝ (128 mm)
6.30˝ (160 mm)
C
.68˝ (68 mm)
2
3.54˝ (90 mm)
4.09˝ (104 mm)
5.12˝ (130 mm)
D
0.47˝ (12 mm)
0.63˝ (16 mm)
0.63˝ (16 mm)
.79˝ (20 mm)
0
E
.14˝ (29 mm)
1
.46˝ (37 mm)
1
.67˝ (42.5 mm)
1
2.05˝ (52 mm)
ø
0.28˝ (7 mm)
0.35˝ (9 mm)
0.35˝ (9 mm)
.43˝ (11 mm)
0
Bulletin P-12
onnection
C
/8˝
1
1/4˝
1/4˝
3/8˝
PRV Series Pneumatic Roller Vibrators
• Special aluminum body is small in size and light-weight.
• Frequency and amplitude of vibration can be adjusted as required.
• The strongest vibration force driven by rollers among the same size
products.
Series PRV Pneumatic roller vibrators have a high vibration frequency
feature that can prevent material jams in pipe delivery. It can also be
applied for bridge-break or concrete injection operation conditions.
HOW IT OPERATES
The special aluminum body is equipped with a roller and ring with multinozzles. It is tightly closed by plastic side covers. Vibration is caused
when the roller pushed by compressed air runs in a rotary motion to
produce centrifugal force.
SPECIFICATIONS
Temperature Limit: 212°F (100°C).
Noise Level Range: 75-100 dBA.
Supply Pressure: 29 to 87 psi (2 to 6 bar).
Air Consumption: See model chart.
Air Connection: 1/8˝ BSPT female with 1/4˝ OD push to connect
adapter on PRV-1; 1/4˝ BSPT female with 1/4˝ OD push to connect
adapter on PRV-2 and PRV-3; 3/8˝ BSPT female with 3/8˝ OD push to
connect adapter on PRV-4.
INSTALLATION
Vibration force transmits more efficiently in a conical hopper tank as
opposed to a rectangular hopper. It is recommended that you install two
vibrators in rectangular hoppers.
1. Vibrator force can be transmitted more efficiently by using “U” shape
steel supports. It can help materials run smoother in the tank or pipe. It
also reduces tank damage accidents.
2. To avoid tank wall amplitude caused by the vibrator moving in a left
or right direction, use “U” shape steel.
3. Reinforced board is required between “U” shape steel and a thin tank
wall.
4. To increase vibration fields in a big hopper tank, criss-cross “U” shape
steel.
Frequency (V.P.M.)
Pressure Input
Model
PRV-1
PRV-2
PRV-3
PRV-4
29 psi (2 bar)
25000
19000
15500
11000
58 psi (4 bar)
35000
21000
18500
14000
87 psi (6 bar)
36000
26000
19000
16000
29 psi (2 bar)
241 (1070)
614 (2730)
674 (3000)
843 (3750)
V.P.M. = vibrations per minute
PROXIMITY CONTROLS
A DIVISION OF DWYER INSTRUMENTS, INC.
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A.
Force lbf (N)
Pressure Input
58 psi (4 bar)
656 (2920)
1086 (4830)
1369 (6090)
1517 (6750)
Phone: 219/879-8000 www.dwyer-inst.com
Fax: 219/872-9057 e-mail: info@dwyermail.com
87 psi (6 bar)
948 (4200)
1376 (6120)
1675 (7450)
2001 (8900)
Air Consumption cfm (l/min)
Pressure Input
29 psi (2 bar)
3.53 (100)
7.06 (200)
10.24 (290)
13.07 (370)
58 psi (4 bar)
5.12 (145)
10.59 (300)
15.19 (430)
19.42 (550)
87 psi (6 bar)
6.89 (195)
14.13 (400)
20.13 (570)
25.78 (730)
Weight
lb (kg)
.53 (0.24)
1.19 (0.54)
2.1 (0.95)
3.97 (1.8)
Attention: Vibration has to be fixed by a high tension bolt, washer, and
spring washer. Connect with a security cable if the vibrator is installed
onto a hopper.
Notes: Various tanks are based on application requirement. Customers
choose appropriate vibrator types to meet with various applicant demand
(tank shape, material, applied material, etc). Suitable vibrators will not
only prevent obstruction problems but won’t damage the tank walls.
Large amplitude and low frequency piston types fit in granule with low
specific gravity applied material. It is recommended to use multiple
vibrators in serious clog situations or large tank surroundings.
VIBRATION FORCE CALCULATION
Taking the accumulated situation into consideration, the appropriate
vibrator will give 0.2~0.5 G accelerated vibration onto the target object.
MAINTENANCE
Upon final installation of the Series PRV Pneumatic Roller Vibrator, no
routine maintenance is required. A periodic check of the system
calibration is recommended. The Series PRV is not field serviceable and
should be returned if repair is needed (field repair should not be
attempted and may void warranty). Be sure to include a brief description
of the problem plus any relevant application notes. Contact customer
service to receive a return good authorization number before shipping.
F=0.2-0.4 GW F: Vibration force (N)
G: Acceleration of gravity
W: Material weight (KG)
MATERIAL WEIGHT CALCULATION
Generally speaking, the hopper portion of the tank should be taken into
consideration.
©Copyright 2014 Dwyer Instruments, Inc. Printed in U.S.A. 4/14 FR# R6-443513-00 Rev. 2
PROXIMITY CONTROLS
A DIVISION OF DWYER INSTRUMENTS, INC.
Phone: 219/879-8000 www.dwyer-inst.com
Fax: 219/872-9057 e-mail: info@dwyermail.com
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A.
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