Watts AMES Deringer 20 Installation, Operation And Maintenance Manual Download | Manualshive

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Installation, Operation and
Maintenance Manual

IOM-A-Deringer 20/30_2.5-4

Deringer

™

20/30

Double Check Valve/Double

Check Detector Assemblies
Size: 2½" – 4"

WARNING

!

Read this manual BEFORE using this equipment.
Failure to read and follow all safety and use information can

result in death, serious personal injury, property damage, or

damage to the equipment.
Keep this manual for future reference.

You are required to consult the local building and plumbing

codes prior to installation. If the information in this manual

is not consistent with local building or plumbing codes,

the local codes should be followed. Inquire with governing

authorities for additional local requirements.

WARNING

!

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2
3
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Summary of Contents for AMES Deringer 20

Page 1: ...ety and use information can result in death serious personal injury property damage or damage to the equipment Keep this manual for future reference You are required to consult the local building and plumbing codes prior to installation If the information in this manual is not consistent with local building or plumbing codes the local codes should be followed Inquire with governing authorities for...

Page 2: ...n Other versions of the same tool can be used For example allen wrenches instead of allen drive sockets Tools Required T45 Torx Wrench Wood Block 2 x 4 x 5 Wood Block 1 x 2 x 16 2 Phillips Head Screwdriver 2 Flathead Screwdriver 5 8 Ratchet Wrench Adjustable Wrench Deringer Test Cock Wrench Slip Joint Pliers ...

Page 3: ... opening test cocks water will be released Take precautions to ensure discharging water does not damage the surrounding area equipment or create an unsafe condition 1 DO NOT OPEN Main test cock number 1 as it is still subject to line pressure 2 Using the DeringerTM test cock wrench or a small adjustable wrench open A main test cock number 4 Test cock is open when wrench flats are parallel to water...

Page 4: ...nner wall of the valve body B 2 Insert a flathead screwdriver between the inner valve body and the first check module flange C gently push the first check module in the downstream direction until the first check module can easily be removed from the access port by hand B Removing the Second Dual action Check Module FLOW C A 1 Remove 1st check prior to removing 2nd check as described above 2 Use a ...

Page 5: ...seat Do not remove unless the seat cage is being replaced 6 Reverse the order of above instructions to reassemble bypass check Valve A Part 2 1 To replace a damaged red silicone poppet disk use a 2 phillips head screwdriver to remove the disk retaining screw A 2 Remove disk retaining washer B 3 Use a flathead screwdriver to remove the gasket from poppet cavity C 4 Install new red silicone poppet d...

Page 6: ...o reinstall bypass meter Remember to install gaskets F before threading meter coupling nuts into place B C E E G F E FLOW D A Maintenance of First Dual action Check Module 1 Use a 2 phillips head screwdriver to remove tower screws A from the first check seat B the double torsion spring is captured C and does not to be retained during maintenance 2 After removing the tower screws A examine the elas...

Page 7: ... A examine the elastomer disk D and check seat E for fouling or damage 3 Should elastomer disk D need replacement unscrew disk retainer screws F and remove disk retainer G Carefully remove and replace elastomer disk D When replacing elastomer disk D be certain that no air water or debris is trapped in the clapper H cavity behind the elastomer disk D 4 Reverse the order of the above instructions to...

Page 8: ...h F against the backside of the second check seat ring G Using a 1 x4 piece of wood cut to 16 length H as a lever between access port wall the 2 x4 F gently move the second check module A into its fully seated position 3 Be certain second check module A is fully seated and check O ring E is NOT fish mouthed or damaged 4 Tighten the second check retaining screws I ONLY AFTER the first check module ...

Page 9: ...ed 4 Now fully tighten the first and second check retaining screws I The first check module must be fully seated to ensure retainer screws do not bind against check towers Binding retainer screws against check towers will result in permanent damage to first check modules WARNING FLOW Not Binding Binding C A B E F G D NOTICE Recommended torque for the check retainer bolts is 50 ft lb I Installing A...

Page 10: ...driver close bypass test cock number 1 and 2 B Test cock is closed when screwdriver slot on stem is perpendicular to water flow through test cock 3 Use the T handles to open bypass ball valve number 1 D and then open bypass ball valve number 2 C Ball valve is open when T handle is parallel to water flow through ball valve 4 Double check to be certain of the following All cover bolts are tightened ...

Page 11: ...line water flow 2 As the valve fills with water air will be pushed through the test cocks Once a steady flow of water is released from the test cocks close in order 2 3 then 4 Test cock is closed when wrench flats on stem are perpendicular to water flow through test cock 3 Slowly rotate the number 2 Shutoff valve operation Handle B counter clockwise to the open position FLOW C C B NOTICE Yellow or...

Page 12: ...ty shall constitute the sole and exclusive remedy for breach of warranty and the Company shall not be responsible for any incidental special or consequential damages including without limitation lost profits or the cost of repairing or replacing other property which is damaged if this product does not work properly other costs resulting from labor charges delays vandalism negligence fouling caused...

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