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11

IOM-A-Deringer 20/20X/30/30X

 

   2020-05 

EDP2916001

 

© 2020 Watts

Open Shutoff Valves to Make Backflow Preventer Functional

1.   Slowly rotate the number 1 shutoff valve operation handle 

(A) counter clockwise to the open position. (Shutoff valve is 

open when yellow/orange position indicator flags are parallel 

to the mainline water flow).

2.   Slowly rotate the number 2 shutoff valve operation handle 

(B) counter clockwise to the open position.

FLOW

C

C

B

NOTICE

Yellow/Orange Position Indicator Flags must be parallel to mainline water flow 
for Backflow Valve to be functional (C).

A

Summary of Contents for AMES Deringer 20X

Page 1: ...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 loca...

Page 2: ...ion Other versions of the same tool can be used For example allen wrenches instead of allen drive sockets Tools Required 15 16 Socket 11 8 Socket Wood Block 2 x 4 x 5 Wood Block 1 x 2 x 16 2 Phillips...

Page 3: ...wrench open main test cock number 3 5 Deringer 30 30X only Using a 2 flathead screwdriver open bypass test cock number 1 6 Using the Deringer test cock wrench or a small adjustable wrench open main te...

Page 4: ...il the ends of the bolts are flush with the inner 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...

Page 5: ...amage or fouling to the sealing 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...

Page 6: ...to reinstall bypass meter Remember to install gaskets F before threading meter coupling nuts into place C E E F E FLOW A D B G Maintenance of First Dual action Check Module 1 Use a 2 phillips head scr...

Page 7: ...ing 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 cert...

Page 8: ...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 posit...

Page 9: ...by hand 2 Alternatively using a piece of 1 x4 wood cut to 16 length F as a lever between the second check seat G and the first check towers C push the first check module A into its fully seated positi...

Page 10: ...om one side of the valve to the other A B F C E G D Close Test Cocks and Double Check All Closing Sealing Mechanisms 1 Using the Deringer test cock wrench or a small adjustable wrench close main test...

Page 11: ...counter clockwise to the open position Shutoff valve is open when yellow orange position indicator flags are parallel to the mainline water flow 2 Slowly rotate the number 2 shutoff valve operation ha...

Page 12: ...anty shall be invalidated by any abuse misuse misapplication improper installation or improper maintenance or alteration of the product Some States do not allow limitations on how long an implied warr...

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