Series ABFV Automated Butterfly Valves Specifications - Installation and Operating Instructions

Series ABFV Automated Butterfly Valves Specifications - Installation and Operating Instructions
V-28
12/18/06
10:03 AM
Page 1
Bulletin V-28
Series ABFV Automated Butterfly Valves
Specifications - Installation and Operating Instructions
®
Pneumatic Actuated - DAX and SRX Actuators
Pneumatic Size Chart - DA Series
B
9-7/8
(250.83)
10-27/64
2-1/2˝ (264.72)
11-3/32
3˝ (281.78)
11-27/32
4˝ (300.83)
13-29/64
5˝ (341.71)
13-31/32
6˝ (354.81)
15-5/16
8˝ (388.94)
18-1/4
10˝ (463.55)
21-55/64
12˝ (555.23)
A
C
E
2˝
G
B
F
A
D
C
2-13/16
(41.44)
2-13/16
(41.44)
3-11/64
(80.57)
3-11/64
(80.57)
4-11/64
(105.97)
4-11/64
(105.97)
4-11/64
(105.97)
5-25/64
(136.92)
7-3/8
(187.33)
D
1-45/64
(43.26)
1-13/16
(46.04)
1-13/16
(46.04)
2-1/16
(52.39)
2-13/64
(55.96)
2-13/64
(55.96)
2-3/8
(60.33)
2-11/16
(68.26)
3-5/64
(78.18)
E
5-1/2
(139.7)
5-1/2
(139.7)
6-25/64
(162.32)
6-25/64
(162.32)
9-23/64
(237.73)
9-23/64
(237.73)
9-23/64
(237.73)
12-59/64
(328.22)
22-41/64
(575.07)
Pneumatic Size Chart - SR Series
F
13-1/64
(330.6)
13-59/64
(353.62)
14-27/32
(337.03)
16-21/64
(414.74)
G
1-5/8
(41.28)
1-5/8
(41.28)
1-25/32
(45.24)
1-25/32
(45.24)
18-29/64
(468.71)
19-7/16
(493.71)
22-13/64
(563.96)
26-1/4
(666.75)
31-25/64
(797.32)
2-15/16
(58.74)
2-15/16
(58.74)
2-15/16
(58.74)
2-7/8
(73.03)
3-61/64
(100.41)
B
10-15/16
(261.94)
10-55/64
2-1/2˝ (275.83)
11-3/4
3˝ (298.45)
12-15/16
4˝ (328.61)
13-31/32
5˝ (354.81)
15-9/16
6˝ (395.29)
17
8˝
(431.8)
20-3/32
10˝ (510.38)
23-7/8
12˝ (606.43)
A
2˝
C
3-11/64
(80.57)
3-11/64
(80.57)
3-11/64
(80.57)
4-11/64
(105.97)
4-11/64
(105.97)
5-25/64
(136.92)
5-25/64
(136.92)
5-25/64
(136.92)
7-3/8
(187.33)
D
1-45/64
(43.26)
1-13/16
(46.04)
1-13/16
(46.04)
2-1/16
(52.39)
2-13/64
(55.96)
2-13/64
(55.96)
2-3/8
(60.33)
2-11/16
(68.26)
3-5/64
(78.18)
E
6-25/64
(162.32)
6-25/64
(162.32)
8-5/32
(207.17)
9-23/64
(237.73)
10-45/64
(271.86)
12-59/64
(328.22)
12-59/64
(328.22)
20-9/16
(522.29)
22-41/64
(575.07)
F
13-29/64
(341.71)
14-29/64
(367.11)
15-31/64
(393.3)
17-27/64
(442.52)
G
1-25/32
(45.24)
1-25/32
(45.24)
2-5/64
(52.78)
2-5/16
(58.74)
18-31/32
(481.81)
21-1/32
(534.19)
23-57/64
(606.83)
28-5/64
(713.19)
33-25/64
(848.12)
2-11/16
(68.26)
2-7/8
(73.03)
2-7/8
(73.03)
3-61/64
(100.41)
4-19/64
(109.14)
Electric Actuated - UXX and VXX Actuators
Electric Size Chart
A
E
MANUAL
OVERRIDE
C
2˝
2-1/2˝
3˝
B
4˝
F
5˝
6˝
8˝
A
D
10˝
12˝
B
12-15/64
(310.75)
12-25/32
(324.64)
13
(330.2)
13-3/4
(349.25)
16-25/64
(416.32)
16-29/32
(429.42)
18-1/4
(463.55)
23-9/64
(587.77)
24-29/32
(632.62)
C
4-1/4
(107.95)
4-1/4
(107.95)
4-1/4
(107.95)
4-1/4
(107.95)
7
(177.8)
7
(177.8)
7
(177.8)
10
(254)
10
(254)
D
1-45/64
(43.26)
1-13/16
(46.04)
1-13/16
(46.04)
2-1/16
(52.39)
2-13/64
(55.96)
2-13/64
(55.96)
2-3/8
(60.33)
2-11/16
(68.26)
3-5/64
(78.18)
E
6-57/64
(175.02)
6-57/64
(175.02)
6-57/64
(175.02)
6-57/64
(175.02)
7
(177.8)
7
(177.8)
7
(177.8)
10
(254)
10
(254)
F
15-3/8
(390.53)
16-9/32
(413.54)
16-3/4
(425.45)
18-1/4
(463.55)
21-25/64
(543.32)
22-3/8
(658.33)
25-9/64
(638.57)
31-1/8
(790.58)
34-7/16
(874.71)
Valve Body Dimensions
4x C
ØE
C
Size
ISO
2˝
F07
2-1/2˝ F07
D (WAFER)
D (LUG)
ØK
J
LUG
BODY
M
B
WAFER
BODY
A
3˝
F07
4˝
F07
5˝
F07
6˝
F07
8˝
F07
10˝
F10
12˝
F10
A
3-5/32
(80.17)
3-1/2
(88.9)
3-3/4
(95.25)
4-1/2
(114.3)
5
(127)
5-31/64
(139.30)
6-57/64
(175.02)
8
(203.2)
9-17/32
(242.09)
B
6-11/32
(161.13)
6-57/64
(175.02)
7-9/64
(181.37)
7-7/8
(200.03)
8-25/64
(213.12)
8-29/32
(226.22)
10-1/4
(260.35)
11-1/2
(292.1)
13-9/32
(337.34)
C
1-45/64
(43.26)
1-13/16
(46.04)
1-13/16
(46.04)
2-1/16
(52.39)
2-13/64
(55.96)
2-13/64
(55.96)
2-3/8
(60.33)
2-11/16
(68.26)
3-5/64
(78.18)
W.E. ANDERSON DIV., DWYER INSTRUMENTS, INC.
P.O. BOX 358 • MICHIGAN CITY, INDIANA 46361 U.S.A.
D
Wafer
4-1/32
(102.39)
4-49/64
(121.05)
5-31/64
(139.3)
6-5/16
(160.34)
7-31/64
(190.10)
8-15/32
(215.11)
10-19/32
(269.08)
13-1/8
(333.38)
15-3/32
(383.38)
D
Lug
5-63/64
(152)
6-3/4
(171.45)
7-7/8
(200.03)
9-1/32
(229.39)
10
(254)
11-1/32
(280.19)
13-1/2
(342.9)
15-63/64
(406)
19-1/32
(483.39)
G
23/64
(9.13)
23/64
(9.13)
23/64
(9.13)
23/64
(9.13)
3-35/64 23/64
(90.09) (9.13)
3-35/64 31/64
(90.09) (12.3)
3-35/64 31/64
(90.09) (12.3)
4-59/64 31/64
(125.02) (12.3)
4-59/64 31/64
(125.02) (12.3)
E
3-35/64
(90.09)
3-35/64
(90.09)
3-35/64
(90.09)
3-35/64
(90.09)
Phone: 219/879-8000
Fax: 219/872-9057
J
1-1/32
(26.19)
1-1/32
(26.19)
1-1/32
(26.19)
1-3/16
(30.16)
1-3/16
(30.16)
1-5/16
(33.34)
1-5/16
(33.34)
1-55/64
(47.23)
1-55/64
(47.23)
K
9/16
(14.29)
9/16
(14.29)
9/16
(14.29)
23/32
(18.26)
23/32
(18.26)
7/8
(22.23)
7/8
(22.23)
1-7/64
(28.18)
1-7/64
(28.18)
M
43/64
(17.07)
43/64
(17.07)
43/64
(17.07)
53/64
(21.03)
53/64
(21.03)
61/64
(24.21)
61/64
(24.21)
61/64
(24.21)
61/64
(24.21)
www.dwyer-inst.com
e-mail: [email protected]
V-28
12/18/06
10:03 AM
Page 2
Page 2
The ABFV Series is offered with standard 316 SS disc, a
through shaft that does not come in contact with the media, and
choices of EPDM, BUNA-N, or fluoroelastmer liners for great
chemical compatibility. Valve design has integral ISO mounting for
direct mount actuators creating a more compact automated
package. Body is epoxy coated for durable and attractive finish.
Liner fully covers the body and assures tight seal with mating
flanges without additional gaskets. One-piece shaft ensures
positive valve positioning and is an anti-blowout design.
ABFV valves come in two-way and three-way packages. Threeway assemblies include valves and actuators mounted onto a
125# cast iron tee. When ordering you have the choice of valve
arrangement for mixing or diverting applications. Valves come in
lug or wafer style and wafer models have guide holes for bolts.
ABFV is an economical automated valve package with either an
electric or pneumatic actuator. Electrically actuated models are
weatherproof, NEMA 4, powered by standard 115 VAC supply,
and are available in either two-position or proportional control.
Two-position actuators use the 115 VAC input to drive each of the
valve ports open or closed, while the modulating actuator accepts
a 4 to 20 mA input for infinite valve positioning. Actuator features
include thermal overload protection to withstand stall conditions,
visual position indication and a permanently lubricated gear train.
The pneumatic double acting actuator uses an air supply to drive
each of the actuator ports. Spring return pneumatic actuators use
the air supply to drive the valve stem one direction, and internally
loaded springs return the valve to its original position. Also
available is the SV3 solenoid valve to electrically switch the supply
pressure between the air supply ports. Actuators are constructed
of anodized aluminum and are epoxy coated for years of corrosion
free service.
Cv Values
Valve Size
2˝
2-1/2˝
3˝
4˝
5˝
6˝
8˝
10˝
12˝
10°
0.1
0.7
0.3
0.5
0.8
2
3
4
5
20°
5
8
12
17
29
45
89
151
234
30°
12
20
22
36
61
95
188
320
495
40°
24
37
39
78
133
205
408
694
1072
50°
45
65
70
139
237
366
727
1237
1911
60°
64
98
116
230
392
605
1202
2034
3162
70°
90
144
183
364
620
958
1903
3240
5005
80°
125
204
275
546
930
1437
2854
4859
7507
90°
135
220
302
600
1022
1539
3136
5340
8250
SPECIFICATIONS
Valve Body
Service: Compatible liquids and gases.
Body: 2-way or 3-way.
Line Size: 2˝ to 12˝.
End Connections: Wafer or lug pattern designed for flanges to
ANSI B16.1, BS4504, DIN 2501.
Pressure Limits: Up to 8˝: 225 psi (15.5 bar); 10˝ – 12˝: 150 psi
(10.3 bar).
Wetted Materials: Disc: 316 SS; Liner: EPDM BUNA-N, or
Fluoroelastomer.
Temperature Limits: EPDM: -30 to 275°F (-34 to 135°C); BUNAN: 10 to 180°F (-12.2 to 82.2°C); Fluoroelastomer: 400°F (204°C).
Other Materials: Shaft: 316SS; Bottom/Top Bushing: bronze;
Body: cast iron; Shaft Seal: EPDM.
ACTUATORS
Electric “U” and “V” Series
Power Requirements: 115 VAC, 50/60 Hz, single phase.
Optional 220 VAC, 24 VAC, 12 VDC, and
24 VDC.
Power Consumption: (Locked Rotor Current): U_1, V_1: .55A;
U_2, 3, 4, V_2, 3, 4: 0.75A; U_ 5, 6, 7, V_5, 6, 7: 1.1A; U_ 8, V_8:
2.6A; U_9, V_9: 2.9A. (Only for 115 VAC, for other voltages
contact the factory).
Cycle Time: (sec. per 90º): U_1, V_1: 2.5; U_2, 3, V_2, 3: 5; U_4,
V_4: 10; U_ 5, 6, V_5, 6: 15; U_7, V_7: 30; U_ 8, V_8: 12; U_9,
V_9: 14. (Only for 115 VAC, for other voltages contact the factory).
Duty Cycle: U_1: 75%; U_2 to 7: 25%; U_8, 9: 100%; V_1 to 7:
75%; V_8, 9: 100%.
Enclosure Rating: NEMA 4. Optional NEMA 7 (Class 1, Div. II
Groups A, B, C, D).
Housing Material: Aluminum with thermal bonding polyester
powder finish.
Temperature Limit: 0 to 150ºF (-18 to 65ºC).
Conduit Connection: 1/2˝ female NPT.
Modulating Input (V Series): 4 to 20 mA.
Standard Features: Manual override and visual position indicator
except modulating units.
Pneumatic “DA” and “SR” Series
Type: DA series is double acting and SR series is spring return
(rack and pinion).
Normal Supply Pressure: 80 psi (5.5 bar).
Maximum Supply Pressure: 120 psig (8 bar).
Air Connections: DA1 to 5 and SR2 to 5: 1/8” female NPT, all
others: 1/4” female NPT.
Air Consumption: (cu. in. per stroke) DA1: 2.32, DA2: 6.59, DA3:
12.14, DA4: 16.32, DA5: 30.2, DA6: 45.3, DA7: 61.0, DA8: 106.9,
DA9: 137.9, DAA: 220.1, DAB: 348.1, DAC: 915.4, SR2: 7.7, SR3:
14.2, SR4: 17.2, SR5: 32.4, SR6: 54.4, SR7: 85.4, SR8: 122.1,
SR9: 146.5, SRA: 215.1, SRB: 462.6, SRC: 945.9.
Cycle Time: (sec. per 90º): DA1: .03, DA2: .04., DA3: .08, DA4:
.12, DA5: .19, DA6: 0.27, DA7: .47, DA8: .66, DA9: .93, DAA: 1.1,
DAB: 1.7, DAC: 4.5, SR2: .09, SR3: .14, SR4: .22, SR5: .33, SR6:
.46, SR7: .78, SR8: .90, SR9: .97, SRA: 1.34, SRB: 2.19, SRC:
6.20.
Housing Material: Anodized aluminum body and epoxy coated
aluminum end caps.
Temperature Limit: -4 to 180ºF (-20 to 82ºC).
Accessory Mounting: NAMUR standard.
Standard Features: Visual position indicator.
V-28
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10:03 AM
Page 3
Page 3
ELECTRIC ACTUATOR
I. BASIC INSTALLATION
1. Operate valve manually and place in the open position. (NOTE: ALL
ELECTRIC ACTUATORS ARE SHIPPED IN THE OPEN POSITION.)
2. Remove any mechanical stops the valve might have. (DO NOT
REMOVE ANY PARTS NECESSARY FOR THE PROPER OPERATION
OF THE VALVE, SUCH AS THE PACKING GLAND, PACKING NUT,
ETC.)
3. Ensure that the actuator output shaft and valve stem are aligned
properly. If they are not, operate the valve manually until they are
correct.
4. Mount actuator to valve. Do not tighten nuts and bolts at this time.
5. Remove actuator cover.
6. Bring power to the actuator. CAUTION: Make sure power is OFF at
the main box.
7. Wire the actuator per the diagram attached to the inside of the
cover. Special actuators (those with positioner boards, etc.) will have
diagrams enclosed inside the cover.
8. Securely tighten bolts used to mount the actuator to a mounting
bracket or directly to the valve mounting pad if it is ISO5211 compliant.
9. Cycle the unit several times and check the open and closed
positions of the valve. Cams are pre-adjusted at the factory; due to the
variety of valve designs and types, however, slight adjustments might
be required. (SEE II and III).
10. Replace cover and tighten screws.
II. TO SET THE OPEN POSITION
1. Cycle the valve to the open position by applying power to terminals
#1 and #2. The top cam and switch control this position. In the open
position, the set screw in the top cam will be accessible.
2. If the valve is not open completely:
A. Slightly loosen the 8-32 x 1/4” set screw on the top cam.
B. Rotate the cam clockwise (CW) by hand until the switch
makes contact. Contact is made when a slight click can be
heard. By making incremental CW movements of the top
cam, the valve can be positioned precisely in the desired
position.
C. When the top cam is set, tighten the set screw securely.
3. If the valve opens too far:
A. Apply power to terminals #1 and #3. This will begin to
rotate valve CW. When valve is fully open and in the exact
position desired, remove power from actuator.
B. Loosen the set screw in the top cam.
C. Rotate the top cam counterclockwise (CCW) until the
switch arm drops off the round portion of the cam onto the
flat section. A slight click can be heard as the switch
changes state.
D. Continue applying power to terminals #1 and #3 until
valve is in the desired position.
III. TO SET THE CLOSED POSITION
1. Apply power to terminals #1 and #3 to move the valve toward the
closed position. The bottom cam and switch control the closed
position. In the closed position, the set screw in the bottom cam will
be accessible.
2. If the valve is not closed completely:
A. Slightly loosen the 8-32 x 1/4” set screw on the bottom
cam.
B. Rotate the cam counter-clockwise (CCW) by hand until
the switch makes contact. Contact is made when a slight
click can be heard. By making incremental CCW movements of the bottom cam, the valve can be positioned precisely in the desired position.
C. When the top cam is set, tighten the set screw securely.
3. If the valve closes too far:
A. Apply power to terminals #1 and #2. This will begin to
rotate valve CCW. When valve is fully closed and in the exact
position desired, remove power from actuator.
B. Loosen the set screw in the top cam.
C. Rotate the top cam clockwise (CW) until the switch arm
drops off the round portion of the cam onto the flat section.
A slight click can be heard as the switch is no longer making contact with the round part of the cam.
D. Continue applying power to terminals #1 and #2 until
valve is in the desired position.
IV. MAINTENANCE
Once the actuator has been properly installed, it requires no
maintenance. The gear train has been permanently lubricated and in
most cases will never be disturbed. In the event it becomes necessary
to open the gear box for any reason, however, Shell Darina® #2 grease
is recommended for re-lubricating.
Darina® is a registered trademark of Shell Oil Company
V. DUTY CYCLE
Most standard electric actuators are rated for 25% duty cycle at 100%
ambient temperature at the rated torque.
VI. THERMAL OVERLOAD
All actuators are equipped with thermal overload protection to guard
the motor against damage due to overheating.
VII. MECHANICAL OVERLOAD
All actuators are designed to withstand stall conditions. It is not
recommended to subject the unit to repeated stall conditions.
VIII. SPARE PARTS
When ordering parts, please specify:
A. Model # B. Serial # C. Part Description
Recommended spare parts include:
A. Standard actuator: set of cams and switches.
B. Actuators w/positioner: set of cams and switches; 1K
potentiometer; valve positioner board.
IX. NEMA 7 ELECTRIC ACTUATORS
In general, operation and maintenance of a NEMA 7 electric actuator
is no different than that of a NEMA 4 actuator. However, some
precautions must be followed:
1. DO NOT under any circumstances remove the cover of the actuator
while in a hazardous location. Removal of the cover while in a
hazardous location could cause ignition of hazardous atmospheres.
2. DO NOT under any circumstances use a NEMA 7 electric actuator
in a hazardous location that does not meet the specifications for which
the actuator was designed.
3. Always mount and cycle test the actuator on the valve in a nonhazardous location.
4. When removing the cover, care must be taken not to scratch, scar
of deform the flame path of the cover and base of the actuator, since
this will negate the NEMA rating of the enclosure.
5. When replacing the cover on actuators rated for both NEMA 4 & 7,
take care that the gasket is in place to assure proper clearance after
the cover is secured. After the cover screws are tightened, the
clearance between the cover and the base should be checked. A
.002” thick by 1/2” wide feeler gauge is used for this; it must not enter
between the two mating faces more than .125".
6. All electrical connections must be in accordance with the
specifications for which the unit is being used.
7. Should the unit ever require maintenance, remove from the
hazardous location before attempting to work on the unit.
If the actuator is in a critical application, it is advisable to have a
standby unit in stock.
XI. TROUBLESHOOTING
SYMPTOM
PROBLEM
SOLUTION
Actuator does not •Power is not on
•Turn on Power
respond to control •Actuator wired incorrectly •Check wiring diagram;
signal
re-wire
•Incorrect voltage
•Bring correct supply
to actuator
•Thermal Overload
•Allow motor to cool;
resets automatically
•Actuator and Valve in
•Remove actuator;
opposite positions when
remount after 90° turn
actuator installed
Actuator will not
open and/or close
completely
•Travel limit switch set
incorrectly
•Valve torque too high
•Mechanical stops not
removed when installing
actuator
•Set cams per
instructions
•Install correct unit
•Remove stops
Valve oscillates
•Torque of valve too high
•Torque of valve too
high
•Actuator without brake
•Install brake
installed on butterfly valve
•Motor brake misadjusted •Adjust brake; tighten
screw
Actuator motor
runs but output
shaft does not
rotate
•Gear damaged/sheared
pin
•Contact factory
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10:03 AM
Page 4
Page 4
PNEUMATIC ACTUATOR
PNEUMATIC ACTUATOR PARTS LIST
PNEUMATIC ACTUATOR
NOTE: For optimal operation, 3PBV actuators should be run with a
supply of clean, lubricated air.
SPRING RETURN ACTUATORS
Air to PORT 2 (the right hand port) causes the actuator to turn CCW.
Loss of air to PORT 2 causes air to exhaust and the actuator turns
CW. This is the FAIL CLOSE operation.
DOUBLE ACTING ACTUATORS
Air to PORT 2 (the right hand port) causes the actuator to turn CCW.
Air to PORT 1 (the left hand port) causes the actuator to turn CW.
DISASSEMBLING STANDARD ACTUATORS
IMPORTANT: Before beginning disassembly, ensure that the air
supply to the actuator has been disconnected, all accessories have
been removed and that the actuator has been dismounted from the
valve.
1. Loosen the end cap fasteners (22) with a wrench (size varies
depending on actuator model). On the spring return actuator, alternate
3 to 5 turns on each fastener until the springs are completely
decompressed. Use caution in removing the cap since the springs are
under load until the fasteners are fully extended.
2. Remove the pinion snap ring (10) with a lock ring tool. The indicator
(7) may now be removed.
3. Turn the pinion shaft (2) CCW until the pistons are at the full end of
travel. Disengage the pistons (11) from the pinion. (NOTE: Low
pressure air--3 to 5 P.S.I. MAXIMUM--might be required to force the
pistons completely from the body.) Note the position of the pistons
before removing them from the actuator body. The part numbers of the
pistons are located on the side and should be right-side up on an
actuator with a standard orientation.
4. Remove the pinion through the bottom of the actuator. The actuator
is now completely disassembled. All replacement parts may now be
put in. W.E. Anderson recommends that all wear parts (3, 4, 5, 6, 12,
13, 14) be replaced before reassembly.
REASSEMBLING STANDARD ACTUATORS
IMPORTANT: Be sure that the actuator surfaces are free of grit
and scratches before reassembling.
1. Apply a light film of grease to all o-rings and the pinion before
replacing.
2. Put the pinion (2) back through the actuator with the flats of the
pinion shaft running parallel with the body.
3. When reassembling the actuator, make sure that the piston racks
are square to the actuator body and returned to their original
orientation. (NOTE: The normal operation of all PBV pneumatic
actuators is FAIL CLOSED. To change the orientation to FAIL OPEN,
rotate the racks 180º to create a reverse operation.)
4. When replacing springs in a spring return actuator, ensure that the
springs are replaced in their identical position in the end cap from
which they were removed. (NOTE: In some circumstances, you might
want to change the standard 80 pound spring set to fit your
application and available air pressure. Changing the spring sets on
3PBV pneumatic actuators requires no special tools. Please refer to
the spring combination torque chart in our catalog for the inner and
outer spring combinations that will allow you to operate with the spring
set that you desire.)
4. Seal the end caps with a petroleum lubricant and bolt to actuator
body.
5. Check the seal of the actuator by covering seal areas (pinion, end
caps) with soapy water and using low pressure air to the actuator to
ensure that no bubbles are produced.
©Copyright 2006 Dwyer Instruments, Inc.
1. Extruded aluminum housing
2. Nickel plated steel anti-blowout pinion
3. NBR 70 lower pinion O-ring◊
4. PTFE pinion spacer ring◊
5. NBR 70 top pinion O-ring◊
6. PTFE cam spacer ring◊
7. SS indicator cam
8. Nylon position indicator
9. SS pinion washer
10. Pinion snap ring
11. Die cast aluminum piston
P.O. BOX 358 • MICHIGAN CITY, INDIANA 46361 U.S.A.
Piston O-ring bushing◊
PTFE antifriction ring◊
PTFE piston thrust block◊
SS stop bolt retaining nut
SS stop bolt
External spring*
Internal spring*
Die cast aluminum end cap (left)
Die cast aluminum end cap (right)
NBR end cap seats
SS end cap bolt
*spring return actuators only parts subject to wear. Please contact the
factory or your W.E. Anderson distributor for replacement kits.
MAINTENANCE
The Series ABFV Automated Butterfly Valves are 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
goods authorization number before shipping.
Printed in U.S.A. 12/06
W.E. ANDERSON DIV., DWYER INSTRUMENTS, INC.
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Phone: 219/879-8000
Fax: 219/872-9057
FR# R2-443533-00
www.dwyer-inst.com
e-mail: [email protected]
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