A.R.I. D-040L 2 Installation Operation & Maintenance Download | Manualshive

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D-040L

2”.IOM.ENG01

Installation, Operation & Maintenance

COMBINATION AIR VALVE
MODEL D-040L 2”

The following is a step by step narrated description of the A.R.I. 2” D-040L Combination Air Valve
installation, operation and maintenance processes.

The D-040L series Combination Air Valve has the features of both an air release valve and an air & vacuum
valve.  The  air  release  component  is  designed  to  automatically  release  small  pockets  of  air  to  the
atmosphere  as  they  accumulate  along  a  pipeline  or  piping  system  when  it  is  full  and  operating  under
pressure. Please consult A.R.I. for the pressure and temperature specifications table for this model and for
other products designed for hazardous liquids systems.

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Summary of Contents for D-040L 2

Page 1: ...series Combination Air Valve has the features of both an air release valve and an air vacuum valve The air release component is designed to automatically release small pockets of air to the atmosphere as they accumulate along a pipeline or piping system when it is full and operating under pressure Please consult A R I for the pressure and temperature specifications table for this model and for oth...

Page 2: ...sers understand the risks involved within this Disclaimer and or in any document enclosed hereto A R I accepts assumes no liability whatsoever whether caused by accessing and or relying upon this Disclaimer and or in any document enclosed hereto including without limitation any links procedures or materials A R I shall NOT assume any liability for any costs direct or indirect including loss of inc...

Page 3: ...at the product s outlet port is not directed toward electrical elements pumps or people o The pressurized fluid and or gas that can be discharged from the product may create high noise levels Take this into consideration when installing the product in areas sensitive to noise 8 Always open and close valves slowly and gradually 9 Please note that the maximum working pressure indicated in the produc...

Page 4: ...m the system and before releasing the residual pressure do NOT o loosen or unscrew the product bolts o remove any protective cover o open any service port 4 Before any maintenance or nonstandard operation shut the Isolation Valve and release the residual pressure A For air valves with a pressure release outlet slowly open the pressure release plug or the ball valve and make sure that all pressure ...

Page 5: ...ations 2 Make sure that all the tools ladders lifting devices etc used during the maintenance procedures are taken away from the product area and stored 3 Remove grease and oily material residues in order to avoid slipping 4 In order to return the product to regular operation follow the First Start up Operation instructions as detailed in your user manual ...

Page 6: ... on an Isolating Valve at 45 to Air Valve outlet Two Air Valves on an Air Trap with separate Isolating Valves Air Valve outlets face outward and the Isolating Valves at 45 to Air Valve outlets Two Air Valves on a shared Isolating Valve Air Valves outlets face outward and the Isolating Valve at 45 to Air Valve outlets Underground Installations Underground installations require a venting pipe from t...

Page 7: ...pelines up to 12 300mm in diameter D the Air Trap diameter d should be the same as the pipeline diameter For larger pipelines of up to 60 1500mm in diameter D the Air Trap diameter d should be 60 of the pipeline diameter For larger than 60 1500mm pipelines D the Air Trap diameter d should be 35 of the pipeline diameter The Air Trap length H should allow easy access to the air valve from below and ...

Page 8: ...r valve 2 Carefully remove the air valve from the shipping package Unload all air valves carefully to a sturdy level surface taking care not to drop them 3 Install an isolating valve below the air valve connected by a riser to the crown of the pipe 4 The D 040L combination air valve should be installed vertically on a riser on the crown of the pipeline ...

Page 9: ...art can be ordered from A R I Note The part is not mandatory for the function of the valve Outlet thread size needed in order to attach a vent drain pipe End user needs to connect a vent drain pipe from the discharge outlet 1 D 040L has 3 8 female thread 2 D 040L has 1 female thread End of pipe must be left open in order for valve to function Valve spits water This is normal at start up and during...

Page 10: ...local and general safety instructions standards and work regulations 5 1 Preparation 5 1 1 Required tools and materials Small bowl with kitchen type liquid soap 4 5mm roll pin punch 5 2 First Stage Maintenance Perform when a small leak is detected from the Discharge Outlet Elbow and clogging or debris in the sealing mechanism is suspected 5 2 1 Releasing Pressure Shut the isolating valve located o...

Page 11: ...11 IOM D 040L 2 5 2 2 Removal of the Valve Body Slowly turn the Body 1 counterclockwise and remove it 2 Remove the Discharge Outlet Elbow Snap on or threaded 3 4 1 2 3 4 ...

Page 12: ...an the O ring replace it if needed 1 Make sure that the O ring is correctly seated in its designated groove 2 5 2 4 Assembly and Testing for Leaks Reassemble the air valve in reverse order of paragraphs 5 2 3 and 5 2 2 Slowly open the isolating valve located on the riser under the air valve Look for leaks in the Outlet Discharge Elbow If the air valve still leaks proceed to Second Stage Maintenanc...

Page 13: ...olating valve located on the riser under the air valve Carefully release the pressure by slowly unscrewing the valve until all pressure is released Continue to unscrew the valve until all the liquid is drained from the air valve Important Discard liquid to comply with local regulations 5 3 2 Removal of the Air Valve Body Slowly turn the Body 1 counterclockwise and remove it 2 Remove the Discharge ...

Page 14: ...turn it to the side and use a flat tip screwdriver 1 to remove the Clamping Stem 2 and the Float together with the Rolling Seal 3 Thoroughly clean the O ring replace it if needed 1 Make sure that the O ring is correctly seated in its designated groove 2 2 1 1 2 3 ...

Page 15: ... Extension from the Base 6 Thoroughly clean these two parts 7 Thoroughly clean the base O ring replace it if needed 8 Make sure that the O ring is correctly seated in its designated groove 9 Reassemble the Body Extension to the Base Body 7 6 8 9 ...

Page 16: ...ve all grime Pay special attention to the internal parts Visually check the condition of the Rolling Seal 1 2 If any cracks or tears are found remove it from the Float and replace it If replacement is necessary slide out and remove the Rolling Seal Assembly 3 Take a new Rolling Seal Assembly and dip the tail end into the liquid soap solution 4 1 2 3 4 ...

Page 17: ...ssembly into the groove on the Float 5 Gently pull the Rolling Seal Assembly until it is partially inserted into the Float groove Use the 4 5mm Roll Pin Punch to push the Rolling Seal Assembly to the middle of the Float 6 and align the middle of the Rolling Seal Assembly tail with the midline of the Float 7 5 6 7 ...

Page 18: ...nd of the Rolling Seal into the liquid soap solution 1 Reassemble the Valve by inserting the loose end of the Rolling Seal into its designated groove in the Body making sure that the end of the seal and the insertion are in the direction of the arrows 2 3 1 2 3 ...

Page 19: ...ted in the correct direction 2 Push the Float and the Clamping Stem together downwards into the Body until they are locked 3 5 3 5 Reassembling the Air Valve Reassemble the air valve in reverse order of paragraphs 5 3 2 and 5 2 2 Slowly open the isolating valve located on the riser under the air valve Look for leaks in the Outlet Discharge Elbow 1 2 3 ...

Page 20: ...20 IOM D 040L 2 6 ASSEMBLY BOM TABLE AND DRAWING 1 Body 2 Discharge Outlet Elbow 3 Clamping Stem 4 Float 5 Rolling Seal 6 O ring 7 Body Extension 8 Base 9 O ring 10 Flange ...

Page 21: ...ponsible nor does this warranty extended to any consequential or incidental damages or expenses of any kind or nature regardless of the nature thereof including without limitation injury to persons or property loss of use of the products loss of goodwill loss of profits or any other contingent liabilities of any kind or character alleged to be the cause of loss or damage to the purchaser This warr...

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