Henry Pratt Company AirPro Max WAR Series Operation And Maintenance Manual Download | Manualshive

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Operation and

Maintenance Manual

Document #: APMAVOM

Revision Date: 6/3/13

Job Name: ____________________________

Contractor: ___________________________

Date: ________________________________

Air Valves

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Summary of Contents for AirPro Max WAR Series

Page 1: ...Operation and Maintenance Manual Document APMAVOM Revision Date 6 3 13 Job Name ____________________________ Contractor ___________________________ Date ________________________________ Air Valves ...

Page 2: ...n the valve tag WARRANTY ISSUE Seller warrants that at its option it will repair replace or refund the unit purchase price of any products which are non conforming due to Seller s material or workmanship during the warranty period The warranty period shall be twelve 12 months for parts and eighteen 18 months for all other goods after date of shipment This shall be Buyer s sole remedy In order to m...

Page 3: ...rPro Max Air Valves Document APMAVOM Revision Date 6 3 13 3 Table of Contents FUNCTIONAL DESCRIPTION 4 INSTALLATION 5 OPERATION 5 MAINTENANCE 6 ASSEMBLY DISASSEMBLY 7 TROUBLESHOOTING 9 CONTACTING PRATT 10 ...

Page 4: ... air then escapes the water level rises until it buoys up the float and lever mechanism and thus reseats the valve Only the buoyancy of the rising or falling water level actually controls if the valve is closed or open Air Vacuum Valves Series WAV WWAV have only a large orifice typically 1 2 diameter and larger because its primary function is to vent large quantities of air relatively quickly It i...

Page 5: ... devices must not reduce the outlet size of the air valve or allow for water collection at low points unless low points are properly drained OPERATION All AirPro Max standard air valves operate automatically to remove pockets of air that build up in a pump piping system All that needs to be done for startup is to open the recommended isolation valve typically provided by others Venting will occur ...

Page 6: ...ir valve body The entire float and its mechanism come out of the valve still attached to the cover as one assembly Remove any debris replace the cover and tighten bolts Surge Damage AirPro Max air valves are extremely durable but system surge can cause pressure spikes which would be non sustainable for any system component Typically excessive surge may eventually cause float and or stem damage whi...

Page 7: ...for the air valve to drain for proper inspection Refer to submittal drawings or visit www henrypratt com for general arrangement drawings Begin inspection by first obtaining a plastic coated drawing of your particular air valve Then referring to the drawing locate and remove the Cover Bolts detail 7 and use light blows with a deadfall hammer sand plas tic to jar loose the Cover 2 from the gasketed...

Page 8: ...utton moves up and engages the seat properly Reassemble using new gasket and tighten cover bolts Cover bolt torques should be 30 ft lbs for 7 16 bolts and 45 ft lbs for bolts for complete torques see Table A at the end of this section Reinstall air valve and check for proper leak proof operation around seat vent cover bolts drain plugs and main air valve inlet connection Table A Flange Bolt Torque...

Page 9: ...e float with thread locking compound Replace float with thread locking compound Flush valve well retest Minor leakage from body cover or gasket Damaged gasket Corroded or damaged body cover Loose Bolts Damaged float Linkage misalignment damage Incorrect seat hardness durometer Replace gasket retest Replace body cover retest Tighten torque retest Replace float retest Replace any damaged linkage par...

Page 10: ...91 Please include valve serial number and description of part requested HOW TO OBTAIN SERVICE To obtain further information or secure field service contact our Field Service Department Write Henry Pratt Company 401 South Highland Avenue Aurora IL 60506 5563 Attn Field Service Manager Call 630 844 4163 Fax 630 844 4160 Please include the following with your inquiry for service Henry Pratt Order Num...

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