Victaulic 317 Series User manual

WARNING
• Read and understand all instructions before attempting to
install, remove, adjust, or perform maintenance on any Victaulic
piping products
• Wear safety glasses, hardhat, and foot protection.
Failure to follow these instructions could result in serious personal
injury, property damage, joint leakage, and/or joint failure.
WARNING
I-317
AWWA Check Valves
SERIES 317
I-317INSTALLATION AND MAINTENANCE INSTRUCTIONS
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IMPORTANT INFORMATION
WARNING
• Always check for flow in the line before
installing any accessory kits. If there
is flow in the line, disable the system’s
pump, or isolate the valve before
installing any accessories. The lever will
elevate when there is flow in the line.
Failure to follow these instructions could result in serious personal
injury and/or property damage.
VALVE INSTALLATION
1. Remove plastic from valve ends.
2. Valve ends and pipe ends must be smooth and free from deep
pits and swells. All rust, loose scale, oil, grease, and dirt must be
removed. Verify that pipe groove dimensions are within Victaulic
specifications for ductile iron pipe.
3. Make sure there is suitable clearance for proper operation of the
lever and any accessories.
4. THE ARROW ON THE VALVE BODY MUST CORRESPOND WITH
THE DIRECTION OF THE FLOW IN THE LINE.
5. Install the valve into the piping system by using Victaulic Style
31, 307, or 341 couplings. Refer to the installation information
provided with the coupling for complete instructions.
VALVE OPERATION
• TheSeries317CheckValvewillopenasupstreampressure
overcomes the pressure on the downstream side of the disc. The
valve will close as pressure equalizes or when pressure on the
downstream side of the disc overcomes the upstream pressure.
NOTE: The valve should not be operated manually.
• Makesurethereisnointerferencewiththeoperationandrangeof
motion of external accessories.
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VALVE ADJUSTMENT
WARNING
• Depressurize and drain the piping system
before adjusting any Victaulic piping
products.
Failure to follow this instruction could result in serious personal
injury and/or property damage.
NOTICE
• The Series 317 Check Valve should not require adjustment under
normal operating conditions.
1. For the adjustment of valve accessories, refer to the “Accessory Kit
Installation” section, starting on page 8.
2. To adjust packing box sealing, tighten the packing nut until leakage
stops.DONOTexceed20ft-lbs(27N•m)onthepackingnut.
If the packing fails to seal, replace the packing by following the
“Maintenance” section, starting on this page.
MAINTENANCE
WARNING
• Depressurize and drain the piping
system before attempting to perform
maintenance or adjustments on any
Victaulic piping products.
Failure to follow this instruction could result in serious personal
injury and/or property damage.
PACKING REPLACEMENT
1. Depressurize and drain the system to remove the valve from
service.
2. Remove any accessories from the valve.
3. Remove the packing nut.
4. Removeanddiscardtheoldpacking(fourpieces).
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Packing
Nut
Shaft Bearing/
Packing Box
Packing
Placement
5. Stack the NEW packing together (one male, two v-rings, one
female).Slidethepackingoverthehingeshaftandintothe
packing box.
6. Replace the packing nut. Tighten the packing nut to a torque of
10–15ft-lbs(14–20N•m).DONOTexceed20ft-lbs(27N•m).
7. Re-install any accessories by following the steps in the appropriate
section of the “Accessory Kit Installation” section, starting on page
8.
O-RING AND PACKING REPLACEMENT
Packing
O-Rings
If leakage past the shaft bearings occurs, the o-rings and packing must
be replaced.
WARNING
• Depressurize and drain the piping
system before attempting to perform
maintenance or adjustments on any
Victaulic piping products.
Failure to follow this instruction could result in serious personal
injury and/or property damage.
1. Depressurize and drain the system to remove the valve from
service.
2. Remove any accessories from the valve.
3. Remove the packing nut.
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4. Removeanddiscardtheoldpacking(fourpieces).
5. Remove the shaft bearing/packing box from the valve. Be careful
not to damage the hinge shaft.
6. Remove and discard the old o-ring from the bearing.
7. Clean the bearing with water.
8. Lubricate the NEW o-ring with silicone grease.
9. Install the NEW o-ring onto the bearing. Make sure the o-ring is
pushed all the way down against the bearing.
10. Apply a non-permanent, thread-locking compound onto the first
two threads of the bearing.
11. Slide the bearing back onto the shaft, and tighten until snug. DO
NOT tighten the bearing completely or insert the packing at this
time.
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12. Remove the bearing from the opposite side of the valve. Be careful
not to damage the hinge shaft.
13. Remove and discard the old o-ring from the bearing.
14. Clean the bearing with water.
15. Lubricate the NEW o-ring with silicone grease.
16. Install the NEW o-ring onto the bearing. Make sure the o-ring is
pushed all the way down against the bearing.
17. Apply a non-permanent, thread-locking compound onto the first
two threads of the bearing.
18. Align the bearing with the hinge shaft, and thread the bearing into
position.
19. Tighten the two bearings to a torque of 100 – 150 ft-lbs
(136–203N•m).
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Packing
Nut
Shaft Bearing/
Packing Box
Packing
Placement
20. Stack the new packing together (one male, two v-rings, one
female).Slidethepackingoverthehingeshaftandintothe
packing box.
21. Replace the packing nut. Tighten the packing nut to a torque of
10–15ft-lbs(14–20N•m).DONOTexceed20ft-lbs(27N•m).
22. Re-install any accessories by following the steps in the appropriate
section of the “Accessory Kit Installation” section, starting on page
8.
CLEANING
WARNING
• Depressurize and drain the piping
system before attempting to perform
maintenance or adjustments on any
Victaulic piping products.
Failure to follow this instruction could result in serious personal
injury and/or property damage.
1. Depressurize and drain the system to remove the valve from
service.
2. Loosen and remove the two bolts/nuts from the top access
coupling.
3. Remove the top access coupling.
4. Remove the gasket and the top access cap. If the gasket is torn or
worn, replace it with a new, Victaulic-supplied gasket of the same
grade.
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5. Remove any debris from inside the valve body.
6. If reusing the same gasket, make sure the gasket is free of any dirt.
Lubricate the gasket with Victaulic lubricant.
7. Install the gasket onto the valve. Make sure the gasket lip does not
overhang the end of the valve.
8. Install the top access cap onto the valve. Center the gasket to
cover both sealing areas of the cap and the valve.
9. Install the coupling housings over the gasket. Make sure the
housings’ keys engage properly with the valve body and the top
access cap.
10. Insert the bolts, and apply the nuts finger-tight. Make sure the bolt
track heads seat properly in the bolt holes.
10a. Tighten the nuts evenly by alternating sides until metal-to-metal
contact occurs at the bolt pads. NOTE: It is important to tighten
the nuts evenly to prevent gasket pinching.
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ACCESSORY KIT INSTALLATION
WARNING
• Depressurize and drain the piping
system before attempting to perform
maintenance or adjustments on any
Victaulic piping products.
Failure to follow this instruction could result in serious personal
injury and/or property damage.
WARNING
• Always check for flow in the line before
installing any accessory kits.
• If there is flow in the line, disable the
system’s pump, or isolate the valve before
installing any accessories.
• The valve’s arm will elevate when there is
flow in the line.
Failure to follow these instructions could result in serious personal
injury and/or property damage.
The following is a listing of proper installation orientations for the Series
317 Check Valve.
Option 1
Horizontal
Orientation
Vertical
Orientation
Bare Yes Yes
Lever with Weight Yes Yes2
Lever with Spring Yes Yes
Lever with Adjustable
Spring3and Air Cushion Yes Yes
1. Valves installed without air cushions are subject to slamming.
2. For proper operation in vertical installations, the lever must be rotated 90˚(refer to instructions on page 8).
3. All valves installed with an air cushion must also contain an adjustable spring. NOTE: This is not the same
spring that is provided with non-air cushion options.
LEVER WITH WEIGHT (HORIZONTAL INSTALLATIONS)
Key
1. Insert the key into the keyway in the shaft. Install the lever onto the
shaft by aligning the keyway in the lever with the key in the shaft.
Tighten the set screw by using an allen wrench.
2. Slide the weight to the desired location on the lever. Install a flat
washer and nut onto the bolt. Tighten the nut to secure the weight
in position.
LEVER WITH WEIGHT (VERTICAL INSTALLATIONS)
Key
1. Insert the key into the keyway in the shaft, as shown above. Install
the lever onto the shaft by aligning the keyway in the lever with the
key in the shaft. NOTE: The flow arrow must be pointing upward,
and the lever must be installed in the orientation shown above.
Tighten the set screw by using an allen wrench.
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2. Slide the weight to the desired location on the lever. Install a flat
washer and nut onto the bolt. Tighten the nut to secure the weight
in position.
LEVER WITH SPRING
Key
1. Insert the key into the keyway in the shaft. Install the lever onto the
shaft by aligning the keyway in the lever with the key in the shaft.
Tighten the set screw by using an allen wrench.
2. Install a nut onto the end of the eye bolt. Thread the eye bolt into
the tapped hole furthest from the shaft, as shown above.
3. Tighten the nut to secure the eye bolt.
4. Install the spring by looping one end over the eye bolt and the
other end through the slot in the lever.
LEVER WITH SPRING AND AIR CUSHION
Key
1. Insert the key into the keyway in the shaft. Install the lever onto the
shaft by aligning the keyway in the lever with the key in the shaft.
Tighten the set screw by using an allen wrench.
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2. Install the bracket with four bolts and lock washers. Tighten the
bolts until the lock washers are fully compressed.
3. Remove the retaining rings from the ends of the pivot pin. Remove
the pivot pin.
4. Secure the clevis of the air cushion to the lever by inserting the
pivot pin.
5. Re-install the retaining rings onto the ends of the pivot pin.
6. Install the spring plate parallel to the lever, as shown above. Place
one lock washer and a nut onto the end of each bolt. Tighten the
nut until the lock washer is fully compressed.
7. Install a nut, then a lock washer, then a flat washer onto one of the
eye bolts. Place the eye bolt through the slot in the lever. On the
end of the eye bolt, install a flat washer, a lock washer, and a nut
(asshownabove).
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8. Tighten the nut to secure the spring assembly to the lever.
9. Install a nut then a lock washer onto the opposite eye bolt. Pull
the spring toward the spring plate, as shown above. Install a lock
washer onto the end of the eye bolt. Hand-tighten a nut onto the
end of the eye bolt.
10. To secure the spring assembly to the spring plate, tighten the nut
until the lock washers are fully compressed.
11. Adjust the spring to the desired tension by changing the position of
the eye bolt in the slot of the lever.
ADJUSTING THE AIR CUSHION
1. Loosen the locking nut on the flow control valve.
2. Adjust the flow control valve to the desired level of cushion. Turn
the flow control valve clockwise to increase the amount of cushion
or counterclockwise to decrease the amount of cushion.
CAUTION
• Never close the flow control valve fully (by turning clockwise).
Failure to follow this instruction could cause damage to the valve,
resulting in property damage.
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3. Tighten the locking nut on the flow control valve.
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REPLACEMENT PARTS
Part Description Quantity
Valve Size - inches/millimeters
3
(100,6)
4
(121,9)
6
(175,3)
8
(229,9)
10
(281,9)
12
(335,3)
Packing 1 Set P030317TPK P030317TPK P030317TPK P080317TPK P0 8 0317T PK P08 0317 TPK
O-Ring 2P21825215T P21825215T P21825215T P22325215T P22325215T P22325215T
TROUBLESHOOTING
Reported Condition Corrective Action
Seat leakage
• Flush the valve to clean the seat.
• Depressurize and drain the system. Remove the access cap for visual examination, and clean the internal parts (refer to the “Cleaning” section, starting on page 6, for instructions).
• Check the Victaulic Series 317 submittal to ensure that any accessory options are appropriate for the valve’s installation orientation.
• Contact Victaulic for additional assistance.
Shaft leakage
• Tighten the packing nut (refer to the “Valve Adjustment” section on page 2 for instructions).
• Replace the packing (refer to the “Packing Replacement” and “O-Ring and Packing Replacement” sections, starting on page 2, for instructions).
• Contact Victaulic for additional assistance.
Shaft does not operate smoothly • Excessive tightening of the packing nut is causing too much friction. Re-adjust the packing nut by following step 2 of the “Valve Adjustment” section on page 2.
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AWWA Check Valves
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