The V5097A-E Gas Valves are used with the V4055, V4062
and V9055 Fluid Power Actuators to control gas flow to
commercial and industrial burners.
While it is possible to combine any V5097 gas valve with any
V4055, V4062, or V9055 fluid actuator, a limited range of
combinations apply to the application most often used. See
Table 1.
PRODUCT DATA
FEATURES
• Used with natural or liquefied petroleum (LP) gases.
• V5097 normally closed valves are rated for final shutoff
service (safety shutoff).
• V5097A,C,D,E Valves are for on-off service.
• V5097B Valve has a characterized guide and in
combination with the V4055, V4062 and V9055 Fluid
Power Actuators, provides slow-opening, HI-LO-OFF,
and modulating functions, respectively.
• V5097C,E Valves have a double seal and are used
with V4055D,E Fluid Power Actuators to provide
proof-of-closure switch and valve seal overtravel
interlock.
• V5097D,E Valves are for high pressure applications
(see Table 2).
• Two valve body types (small and large) applicable to
seven pipe sizes:
— Small body type for 3/4 in. (19 mm), 1 in. (25 mm),
1-1/4 in. (32 mm), 1-1/2 in. (38 mm) and 2 in. (51
mm) pipes.
— Large body type for 2 in. (51 mm), 2-1/2 in. (64 mm)
and 3 in. (76 mm) pipes.
• Eight pipe adapter sizes 3/4 in. (19 mm) to 3 in. (76 mm)
have NPT or BSP-PL threaded connections.
• V5097 version provides three 1/4 in. upstream and
two 1/4 in. downstream taps and plugs. CE version
provides an additional downstream tap and plug.
• Valve body rating of 75 psi (5 bar); body passes
Underwriters Laboratories Inc. burst test.
• Yellow SHUT indicator attached to the valve stem
provides indication of the valve closed position.
Operation and Checkout ..................................................9
Service Information .......................................................... 10
65-0230-07
Page 2
V5097A-E INDUSTRIAL GAS VALVES
SPECIFICATIONS
IMPORTANT
The specifications in this publication do not include
normal manufacturing tolerances; therefore, an
individual unit may not exactly match the
specifications listed. Also, this product is tested and
calibrated under closely controlled conditions, and
some minor differences in performance can be
expected if those conditions are changed.
Table 1. Usual Combinations of Fluid Power Actuators and V5055 Industrial Gas Valves.
Fluid Power Actuators/
Industrial Gas Valves
V5097AV5097BV5097CV5097DV5097E
Pressure
TypeModel
V4055
On-Off
V4062
Hi-Lo-Off
V9055
Modulating
a
Refer to Table 3 or actual pressure ratings of the various combinations of valves and actuators.
b
Valve guide has notches to determine valve flow characteristics guide; provides a more linear relationship between stem travel
ALow•••
BHigh
c
D
c
E
Low••
High
ALow•
c
D
Low••
ALow•
c
D
Low
Rating
a
On-Off
d
•
Low pressure
Characterized
Guide
•
a
b
d
VSOI
d
•
e
•
c
High Pressure
On-OffVSOI
d
•
and gas flow.
c
Valve seal overtravel interlock. Valve has two seals, and actuator has a proof-of-closure switch.
d
These combinations have higher pressure ratings; see Table 3.
e
Verify flow curve requirements to application requirements.
a
c
d
•
e
•
Models: See Table 2.
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1. Your local Honeywell Automation and Control Products Sales Office (check white pages of your phone directory).
2. Honeywell Customer Care
1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Toronto, Ontario M1V 4Z9.
International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,
Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
65-0230—072
Page 3
V5097A-E INDUSTRIAL GAS VALVES
Table 2. Industrial Gas Valve Models:
Model NumberFeatures
V5097ALow pressure on-off (with quick-opening
guide).
V5097BLow pressure characterized guide (provides
slowly increasing gas flow on opening). For
slow-opening, high-low-off, or modulating
service.
V5097CLow pressure double-seat. Used with
V4055D, V4062D, V9055D Actuators to
provide proof-of-closure switch and a valve
seal overtravel interlock.
V5097DHigh pressure on-off (with quick-opening
guide).
V5097EHigh pressure double-seat. Used with
V4055D, V4062D, V9055D Actuators to
provide proof-of-closure switch and a valve
seal overtravel interlock.
Type of Gas: Natural or liquefied petroleum (LP) only.
Pipe Size:
Small Body: 3/4 in. (19 m); 1 in. (25 mm); 1-1/4 in. (32 mm);
1-1/2 in. (38 mm); 2 in. (51 mm).
Large Body: 2 in. (51 mm); 2-1/2 in. (64 mm); 3 in. (76 mm).
Pipe Threads:
NPT or BSP-PL threads (equivalent to
ISO R7 and DIN 2999). Available 3/4 in. to 3 in. pipe adapters.
(Order separately.)
Pressure Ratings: See Table 3.
Valve Body Rating: 75 psi (5 bar); body passes burst test
of Underwriters Laboratories Inc.
Pipe Adapter Ratings: See Table 4.
Gas Pressure Limit Switch Mounting: Two 1/4 in. NPT
or BSP-PL upstream and downstream tapping and plug.
Upstream Tapping and Plug: 1/4 in. NPT or BSP-PL.
Downstream Tapping and Plug: 1/4 in. NPT.
Ambient Operating Temperature Rating: -40°F to +150°F
(-40°C to +66°C); -40°F to +125°F (-40°C to +52°C) when used
with V9055.
Material: Die-cast aluminum.
Mounting: Directly in gas supply line.
Dimensions: See Fig. 1 and 2.
Weight:
Small Body Valve: 3.68 lb (1.67 kg).
Large Body Valve: 8.0 lb (3.64 kg).
Small Body Pipe Adapters:.67 lb (0.3 kg).
Large Body Pipe Adapters: 2.125 lb (.97 kg).
Replacement Parts:
133393A Replacement Seal Assembly (Includes valve seal,
bonnet seal and tube of lubricant) for Small Body Valves.
133392A Replacement Seal Assembly (Includes valve seal,
bonnet seal and tube of lubricant) for Large Body Valves.
For all pipe adapter sizes, see Table 4.
Replacement Bonnet Assembly (Table 5):
Includes complete bonnet assembly, plus the required
replacement seal assembly.
Accessories:
133637 Tube of lubricant (supplied).
DSP3556 Valve Assembly Tool (UVG).
Valve Capacities: IAS ratings at 1 in. (0.25 kPa) pressure
drop; based on gas with 0.64 sp gr. See Table 3.
Bolt/Nut Fasteners:
Small Body:
3/8-16 x 1.375, Grade 5 bolt. Metric equivalent
M8 x 1.25 x 35mm, class 9.8.
Large Body:
1/2-13 x 2.00, Grade 5 bolt. Metric equivalent
M12 x 1.75 x 50mm, class 9.8.
4074EYE Bag Assembly, contains 6 bolts, nuts and lock
washers for Large Body Valves and adapters.
4074EYF Bag Assembly, contains 6 bolts, nuts and lock
washers for Small Body Valves and adapters.
4074EYK Bag Assembly, contains 2 O-rings and tube of
lubricant—small body.
4074EYL Bag Assembly, contains 2 O-rings and tube of
lubricant—large body.
365-0230—07
Page 4
V5097A-E INDUSTRIAL GAS VALVES
6-3/4 (171)
1-9/32
(33)
1
5 (127)
A
C
B
H
G
E
D
1
ALLOW 2 IN. (51 MM) CLEARANCE FOR ACTUATOR REMOVAL.
ALLOW 2 IN. (51 MM) CLEARANCE FOR ACTUATOR REMOVAL.
1
B
1
2-7/16
2-7/16
2-7/16
2-7/16
3-5/8
3-5/8
3-5/8
2-5/16
2-5/16
2-5/16
2-5/16
4-7/16
4-7/16
4-7/16
7/8
7/8
7/8
7/8
1-1/2
1-1/2
1-1/2
3-15/16
3-15/16
3-15/16
3-15/16
6-1/2
6-1/2
6-1/2
2-13/16
2-13/16
2-13/16
2-13/16
4-1/2
4-1/2
4-1/2
Fig. 2. Approximate dimensions of two small and large V5097 Valves with valve
actuators and pipe adapters in inches and millimeters.
Table 3. V5097 Models.
Standard Pressure Actuators
V4055A,D, V4062, V9055
Model
Standard Pressure Valves
V5097A,B,C
High Pressure Valves
V5097D,E
a
Maximum operating pressure differential. Once open, the valve and actuator operate correctly against this pressure differential at
85% of rated voltage.
b
Maximum opening pressure. Actuator opens valve against this pressure at 85% of rated voltage.
c Maximum close-off pressure. Maximum allowable pressure drop across fully closed valve prevents seal leakage (independent of
a
Pipe Size
(in. NPT)
MOPD
psimbarpsimbar psibarpsibarpsibarpsibar
3/4 to 25340151000 151151151151
2 to 313880
3/4 to 2534040 2700 755251.6624755
2 to 313880453151211.4453
MOP
b
MCOP
75 psi valve body rating).
565-0230—07
c
MOPD
High Pressure Actuators
V4055B,E
a
MOP
b
MCOP
c
Page 6
V5097A-E INDUSTRIAL GAS VALVES
Approvals:
Underwriters Laboratories Inc. Listed: File MH1639, Guide No.
Honeywell gas valve capacities are shown in cubic feet per
hour (cfh) or cubic meters per hour (m
gravity of 0.64 (1 cfh = 0.0283 m
1. Check the burner nameplate for (a) the type of gas used,
and (b) the gas flow capacity (listed in Btuh or in cfh).
2. Call the gas utility for information on (a) sp gr
and (b) Btu/cu ft for type of gas used.
3. If the capacity is listed in Btuh, convert to cfh using
the following formula:
Capacity in cfh = Btuh (from burner nameplate)
Btu/cf (from gas utility)
4. For gases with specific gravities other than 0.64, correct
the cfh from the nameplate or from the formula in step 3
for the specific gravity of gas used, following the
information in Fig. 3.
3
h) for gas with a specific
3
h).
5. Use the cfh capacity (for 0.64 or the corrected cfh from
step 4) for determining the gas valve size in Fig. 4.
6. Determine the maximum pressure drop across the valve
and draw a horizontal line at this pressure in Fig. 4.
7. Draw a vertical line in Fig. 4 at the capacity (cfh)
previously determined. Use the corrected capacity for
a gas with a specific gravity other than 0.64.
8. Use the valve size at the intersection of the horizontal
and vertical lines. If the intersection is between valve
sizes, use the next larger valve size in Fig.4.
TO SIZE TWO IDENTICAL VALVES
PIPED IN SERIES
1. Find the cf/h for the type of gas used.
2. Consider both valves as one unit. Determine the total
maximum pressure drop across the unit.
65-0230—076
Page 7
V5097A-E INDUSTRIAL GAS VALVES
3. Find the pressure drop across the first valve by
assuming it to be 45 percent of the total pressure drop.
4. Find the valve size from Fig. 1.
5. The second valve will be the same size as the first valve.
How to use the Specific Gravity Conversion
Factors (Fig. 3)
Listed valve capacity ratings are based on 0.64 specific gravity
(sg gr) gas. When the required cfh capacity is known for gas of
other specific gravity, it can be converted to the 0.64 equivalent
by using the correct multiplying factor obtained from Fig. 3.
2.50
2.25
2.00
1.75
For example, a valve capacity of 2670 cfh based on 0.72 sp gr
gas is required. What valve capacity, based on 0.64 sp gr gas,
will be required?
On the vertical scale of Fig. 3, find 0.72 specific gravity
(left side of figure). Draw a line horizontally from that point
to the right to intersect the curve, then move straight down
the chart to the bottom scale and read the conversion factor
(1.06, in this example).
Multiply the 2670 cfh by the conversion factor (1.06) to obtain a
valve capacity of 2830 cfh.
Applying this number to Fig. 4, assuming a 1 in. wc pressure
drop, use a 2 in. (large body) V5097 Valve for that flow (step 8
of Gas Valve Sizing).
1.50
1.25
1.00
SPECIFIC GRAVITY
0.75
0.50
0.25
0.72
0
0.60.70.8
EXAMPLE
1.06
0.9
1.01.12.01.21.31.41.51.61.71.81.9
CONVERSION FACTORS
Fig. 3. Specific gravity conversion factors.
M17879
765-0230—07
Page 8
V5097A-E INDUSTRIAL GAS VALVES
M11687D
100
(2.8)
1
12 345678912 345678912 34567891
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
11.0
(0.25)
10.0
(2.5)
100.0
(25)
.9
.8
.7
.6
.5
.4
.3
.2
.1
100.0
9
8
7
6
5
4
3
2
9
8
7
6
5
4
3
2
1.0
.9
.8
.7
.6
.5
.4
.3
.2
.1
1000
(28)
10,000
(283)
100,000
(2830)
CAPACITY IN cfh (m
3
h) FOR GAS WITH SPECIFIC GRAVITY OF 0.64 (1 cfh = 0.0283 m3h)
PRESSURE DROP, INCHES WC
[1 in. wc = 0.25 kPa]
3/4 INCH
1 INCH
1 INCH
1 1/4 INCH
1 1/2 INCH
2 1/2 INCH
3 INCH
2 INCH LARGE
2
INCH SMALL
10
INSTALLATION
IMPORTANT
65-0230—078
The V5097 Valve is designed to provide control of
gaseous fuel (natural and LP gas) flow in applications
with minimum water exposure. V5097 Valves used in
maritime, beverage, food processing, outdoor or other
installations with occasional exposure to water can
develop valve stem and spring corrosion, decreasing
the operating life of the valve. Inspect V5097 Valves
used in these installations annually and replace the
valve bonnets when corrosion is noted.
A valve actuator with a NEMA 4 rating is
recommended for these installations because the
water-tight design of the NEMA 4-rated actuator
prevents water from entering the valve stem and
spring chamber through the actuator. Under certain
Fig. 4. Flow curves for V5097 valves.
conditions, some water can be retained in the
external upper portion of the valve body. The retained
water is effectively excluded from the valve stem and
spring chamber by a functional seal that is
incorporated into the NEMA 4-rated actuator.
When Installing this Product...
1. Read these instructions carefully. Be sure to carefully follow Warning information.
2. Check the ratings given in the instructions and on the
product to make sure the product is suitable for your
application.
3. Installer must be a trained, experienced flame safeguard
control technician.
4. After installation is complete, check out product
operation as provided in these instructions.
Page 9
WARNING
Explosion Hazard And Electrical Shock Hazard.
WARNING
WARNING
WARNING
Can cause explosion, serious injury or death.
1. Turn off gas supply before starting installation.
2. Disconnect power supply for valve actuator before
beginning installation.
3. Install the valve so the arrow on the valve body
points in the gas flow direction.
Location
1. Install the valve in the gas supply line downstream from
the pressure regulator.
2. Mount the valve and actuator in any position that allows
sufficient clearance for installation and for repair and
replacement.
3. Be sure the valve position indicators are easily visible
with the valve and actuator in the final position.
4. Ensure the final position of the valve and actuator allows
for damper linkage, if used.
IMPORTANT
Allow space for turning the valve body and pipe
adapter (actuator not attached) onto the gas piping.
Swing dimensions measured from the center of the
pipe for 3/4 in. through 2 in. (small) valves are 3-1/4
in. (83 mm) and for 2 in. through 3 in. (large) valves
are 5 in. (127 mm).
V5097A-E INDUSTRIAL GAS VALVES
Checkout
Explosion Hazard And Electrical Shock Hazard.
Can cause explosion, serious injury or death.
Do not allow fuel to accumulate in the combustion
chamber for longer than a few seconds without igniting
to prevent an explosive mixture from accumulating.
Explosion Hazard.
Can cause serious injury or death.
1. Do not put the system into service until you have
satisfactorily completed the following Valve Leak
Test, all applicable tests described in the Checkout
section of the instructions for the flame safeguard
control, and any other tests required by the burner
manufacturer.
2. All tests must be performed by a trained,
experienced flame safeguard control technician.
3. Close all manual fuel shutoff valves as soon as
trouble occurs.
After the installation is completed, cycle the valve several times
with the manual fuel shutoff cock closed. Make sure the valve
and actuator function properly. Also perform the Valve Leak
Test before putting the valve into service.
Explosion Hazard.
Can cause serious injury or death.
1. Make sure gas flow is in the direction of the arrow on
the valve body so the valve shuts off.
2. Do not use valve in a corrosive environment or the
valve may not shut completely.
IMPORTANT
Use only the three Grade 5 (minimum) bolts or metric
equivalent with split washers (supplied with valve)
secured and fastened to ensure gas-tight seal. Use all
six bolts.
Installation
Installation instructions are found in form 66-1099, Integrated
Valve Train Assembly Instructions.
OPERATION AND CHECKOUT
Operation
A V5097 Industrial Gas Valve is operated by a V4055, V4062
or V9055 Fluid Power Gas Valve Actuator. The valve opens
when the actuator is energized, and closes when power is
removed. When closed, the valve seals off against the rated
close-off pressure with no power applied. For further
information, refer to the actuator instructions.
Valve Leak Test (Fig. 5)
This is a test for checking the closure tightness of the gas
safety shutoff valve. It should be performed only by trained
experienced flame safeguard control technicians during the
initial startup of the burner system, or whenever the valve or
valve bonnet is replaced (see Service Information section). It is
recommended that this test also be included in the scheduled
inspection and maintenance procedures. For a periodic
inspection test, follow steps 1, 3, 4, 5, 8, 9, 10, 12, 13, 16, and
17.
1. De-energize the control system to assure no power goes
to the valve actuator (C, Fig. 5).
2. Close the upstream manual gas cock (A).
3. Make sure the manual test petcock (F) is closed in the leak test tap assembly (D).
4. Remove the leak test tap plug and connect the test apparatus to the leak tap (D).
5. Close the downstream manual gas cock (E).
6. Open the upstream manual gas cock (A).
7. Run the V5097 Valve to its fully open position (through
the safety system); then immediately de-energize the
system to close the V5097 Valve.
8. Immerse a 1/4 in. (6 mm) tube vertically 1/2 in. (13 mm)
into a jar of water.
9. Slowly open the test petcock (F).
10. When the rate of bubbles coming through the water
stabilizes, count the number of bubbles appearing during
a ten-second period or note the time required for ten
bubbles. Each bubble appearing represents a flow rate
of 0.001 cfh.
To meet US requirements, be sure leakage does not exceed
the rates in Table 6.
965-0230—07
Page 10
V5097A-E INDUSTRIAL GAS VALVES
WARNING
Table 6. V5097 Valve Allowable Leakage Rate.
Minimum
V5097
Pipe
Adapter
Size (in.)Medium
3/4, 1,
1-1/4,
1-1/2, 2
0.64 gas573146.7
1.00 air
Maximum
Allowable
Leakage
SCCH
a
458910.2
No. of
Bubbles in
10 sec. )
No. of
Seconds
for 10
bubbles
1.57 LP366910.5
2, 2-1/2, 3 0.64 gas940244.1
a
1.00 air
752166.2
1.57 LP602156.4
a
Based on air at standard conditions, test pressures provided
by ANSI Z21.21, Section 2.42 and a maximum of 235
cc/h/in. of seal-off diameter (not pipe size).
DABCE
LEAK
4
TEST
TAP
GAS
SUPPLY
UPSTREAM
MANUAL
GAS COCK
CAN ALSO BE A PERMANENT PETCOCK.
1
PRV = PRESSURE REGULATING VALVE.
2
3
SSOV = SAFETY SHUTOFF VALVE.
USE ONLY ONE OF THE DOWNSTREAM TAPS ON THE SS0V.
4
PRV
SSOV
23
1/4 IN. (6 MM)
FLEXIBLE
TUBING
1/4 IN. (6 MM)
ALUMINUM OR
COPPER PILOT
TUBING
1
(13 MM)
2
DOWNSTREAM
MANUAL
GAS COCK
BURNER
F
MANUAL
TEST
PETCOCK
JAR OR GLASS
WITH WATER
CUT AT
45 DEGREE
ANGLE
1
M9547F
Fig. 5. Valve leak test.
NOTE: For international leak test requirements, contact the
appropriate approval agency.
After the Test
1. Close the upstream manual gas cock (A).
2. Close the test petcock (F), remove the test apparatus, and replace the leak test tap (D).
3. Open the upstream manual gas cock (A) and energize
the V5097 Valve actuator through the safety system.
4. Test with rich soap and water solution to make sure there
is no leak at the test tap (D) or any pipe
adapter/valve mating surfaces.
5. De-energize the V5097 Valve (C).
6. Open the downstream manual gas cock (E).
7. Restore the system to normal operation. If two safety
shutoff valves are used, check each V5097 Valve for closure tightness.
SERVICE INFORMATION
Explosion Hazard And Electrical Shock Hazard.
Can cause explosion, serious injury or death.
1. Turn off the gas supply and disconnect all electrical
power to the valve actuator before servicing.
2. Properly position and seat the seals in the valve
body to prevent a hazardous gas leak.
3. Do not disassemble the valve bonnet assembly
because the valve seat is not replaceable.
IMPORTANT
Only trained, experienced flame safeguard control
technicians should attempt to service or repair flame
safeguard controls and burner assemblies.
Scheduled Inspection and Maintenance
Set up and follow a schedule for periodic inspection and
maintenance for the burner, all other controls, and the valve(s)
and actuator(s) for leaking oil. It is recommended that the valve
leak test in the Operation and Checkout section be included in
this schedule. Refer to the instructions for the primary safety
control for more information.
Valve Checkout for Oil Leakage from Actuator
1. Turn off the gas supply at the manual shutoff valve
located upstream from the valve(s) being serviced.
2. Shut off all electrical power to the valve actuator(s).
3. Mark and disconnect the wires from the actuator termi-
nals. Remove conduit and disengage the damper linkage assembly (if applicable).
4. Loosen the two set screws from the valve to lift off the
actuator.
5. If the actuator is to be replaced and it did not leak
hydraulic fluid, skip to Step 11.
NOTE: It is good practice to inspect the inside of the
valve whenever the actuator is replaced. To do
so, remove the bonnet assembly, inspect the
valve and bonnet. If all is well, proceed to Step 7.
6. If the actuator leaked hydraulic fluid onto the valve (the
fluid is red), it must be cleaned off from the valve and
bonnet assembly.
a. Wipe off the outer valve body.
b. Remove the valve bonnet bolts and lift off the bonnet.
NOTE: V5055/V5097C and E Valves have additional
internal springs that will push the bonnet up as
the bolts are loosened.
c. Inspect the inside of the valve.
IMPORTANT
If fluid is present on the inside surfaces of the valve
body or bonnet surfaces, the bonnet assembly or
entire valve must be replaced. For part numbers, see
Table 5.
d. If the inside surfaces are clear of hydraulic fluid,
clean the bonnet assembly and be sure to remove all
hydraulic fluid from the inside and outside of the
actuator mounting curb. This is the “cup-like” area
65-0230—0710
Page 11
V5097A-E INDUSTRIAL GAS VALVES
CAUTION
around the valve stem. Avoid using a cleaning solution as it may damage the rubber seals used in the
valve.
7. If the valve bonnet assembly is in good condition and is
not replaced, replace the bonnet seal. Do not reuse the
old bonnet seal. See “Replacement Parts:” on page 3 for
the seal number.
8. Coat seals with grease provided and position in valve
body/bonnet assembly.
9. Carefully seat the bonnet assembly on the valve body.
Be sure the seals are in their proper position. On those
valves with a spring below the disc, be sure the spring is
centered in the indentation on the inside of the valve
body.
10. After positioning the bonnet assembly, replace the
screws removed earlier.
NOTE: When replacing the bonnet assembly on the 4-
inch valve, draw it evenly into the valve body.
Finger-tighten the eight bolts. Draw the bonnet
assembly into the valve by tightening, in order,
bolts 1, 5, 7 and 3 (two turns each). See Fig. 3.
Repeat until the bonnet assembly is seated.
Tighten the remaining bolts. Torque the bolts as
follows:
Valve SizeTorque
3/4 in. (19 mm) to 1-1/2 in. (38 mm)55 in.-lb.
.2 in. (51 mm) to 4 in. (102 mm)75 in.-lb.
Seal Assembly Replacement (Fig. 6)
When removing the bonnet to inspect and clean the valve,
install new seal assemblies (see Replacement Parts in the
Specification section). Coat the new seals with the grease
provided and insert them in the valve body as shown in Fig. 6.
BONNET SEAL
11. Remount the actuator on the bonnet assembly. Tighten
the two set screws (50-60 inch pounds).
12. Replace the damper crank arm assembly.
13. Re-attach the wires removed from the actuator terminals
and turn on the electrical power.
14. With the gas still off, cycle the actuator to check for
proper mechanical operation.
Be sure to perform a bonnet seal and seat leak
check after installation.
Be sure to read and follow all instructions that come
with the actuators, valves, seal and bonnet kits.
Valve Bonnet Replacement
The entire valve bonnet can be replaced without removing the
valve body from the gas line. Do not disassemble the valve
bonnet assembly because the valve seat is not replaceable.
For part numbers, refer to Replacement Parts in the
Specifications section. Complete instructions for replacing the
bonnet assembly are included with the replacement part.
VALVE SEAL
M11686
Fig. 6. Proper positions of valve
and bonnet seals in V5097 Valves.
Failure to properly position and seat the seals in the valve body
can result in a hazardous gas leak.
After the new bonnet assembly is installed or the bonnet is
removed for any reason, check for gas leakage around the
bonnet seal. Turn on the gas at the manual valve. Paint the
seal area with a rich soap and water solution. Bubbles indicate
a gas leak. If a leak is detected, check that the bonnet screws
are tight. If necessary, turn off the gas again and remove the
bonnet to make sure the seals are properly seated.
1165-0230—07
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V5097A-E INDUSTRIAL GAS VALVES
Automation and Control Solutions
Honeywell International Inc.Honeywell Limited-Honeywell Limitée