UNITED 7700 Series Maintenance & Operation Manual Download Page 7

Valve slams while tension on spring is loose: Adjust spring tension. 

Seat leakage: Seats are dirty.  Remove inspection cover and flush disc.  If seat is 
damaged, replace Buna-N (NBR) insert. 

Leak by Hinge Pin: Cracked or broken o-rings.  Replace o-rings. 

LIMITED WARRANTY 

UNITED WATER PRODUCTS WARRANTS TO THE ORIGINAL PURCHASER 
THAT ITS PRODUCTS ARE FREE FROM MANUFACTURING DEFECTS AND 
ARE MANUFACTURED ACCORDING TO ITS PUBLISHED LITERATURE AND 
SPECIFICATIONS.  UNITED WATER PRODUCTS’ SOLE OBLIGATION 
UNDER THIS WARRANTY SHALL BE LIMITED TO, AT UNITED WATER 
PRODUCTS’ OPTION, THE REPAIR OR EXCHANGE OF ANY PART OR 
PARTS FOUND TO BE DEFECTIVE. 

THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, 
EXPRESSED OR IMPLIED, ARISING BY LAW OR OTHERWISE INCLUDING 
(WITHOUT OBLIGATIONS OF UNITED WATER PRODUCTS), WITH RESPECT 
TO FITNESS, MERCHANTABILITY, AND CONSEQUENTIAL DAMAGES.  
UNITED WATER PRODUCTS NEITHER ASSUMES NOR AUTHORIZES ANY 
OTHER PERSON TO ASSUME FOR IT AND ANY OTHER LIABILITY IN 
CONNECTION WITH THE SALE OF THIS PRODUCT.  

THE WARRANTY SHALL NOT APPLY TO THIS PRODUCT, OR ANY PART 
THEREOF; WHICH HAS BEEN SUBJECT TO ACCIDENT, NEGLIGENCE, 
ALTERATION, ABUSE, OR MISUSE.  UNITED WATER PRODUCTS MAKES 
NO WARRANTY WHATSOEVER IN RESPECT TO ACCESSORIES OR PARTS 
NOT SUPPLIED BY IT.  THIS WARRANTY SHALL NOT BE EXTENDED, 
ALTERED, OR VARIED EXCEPT BY A WRITTEN INSTRUMENT SIGNED BY 
AUTHORIZED PERSONNEL OF UNITED WATER PRODUCTS.  THE TERM 
“ORIGINAL PURCHASER” AS USED IN THIS WARRANTY SHALL BE 
DEEMED TO MEAN THAT PERSON OR ENTITY TO WHOM THIS PRODUCT 
WAS ORIGINALLY SOLD. 

TO OBTAIN WARRANTY SERVICE OR ADDITIONAL INFORMATION, CALL 
OR WRITE US AND PROVIDE PERTINENT INFORMATION REGARDING 
YOUR CLAIM OR PROBLEM, INCLUDING THE MODEL NUMBER AND 
DESCRIPTION OF THE PRODUCT, A DETAILED ACCOUNT OF THE 
PROBLEM(S) ENCOUNTERED, AND A DATED PROOF OF PURCHASE.  THIS 
WARRANTY COVERS THE PRODUCT FOR A PERIOD OF ONE YEAR FROM 
DATE OF SHIPMENT. 

Summary of Contents for 7700 Series

Page 1: ...Maintenance and Operation Manual Swing Check Valve Configuration AWWA C508 Model 7700 Swing Check Valve Series 7700 standard Series 7700 LW with lever weight Series 7700 LS with lever spring...

Page 2: ...2...

Page 3: ...C508 SWING CHECK VALVES FOR WATERWORKS SERVICE EQUIPMENT MODEL NUMBER PROJECT NUMBER TAG NUMBER COMPONENT ID CONTRACTOR ADDRESS PHONE FAX PURCHASE ORDER NUMBER MANUFACTURER S ORDER NUMBER MANUFACTURE...

Page 4: ...should never be used as structural members and should be appropriately rigged for lifting Valves are heavy and include various accessories which should be handled with caution Standard box wrenches Pa...

Page 5: ...tructions for the specific joint All piping should be properly supported to avoid line stress on the valve Do not use valves as a jack to force a pipeline in position G Standard wrenches and or socket...

Page 6: ...erior of valve is not necessary unless improper operation is witnessed or leakage beyond the allowable rate is experienced The interior of the valve and the internal components can be inspected by rem...

Page 7: ...AL DAMAGES UNITED WATER PRODUCTS NEITHER ASSUMES NOR AUTHORIZES ANY OTHER PERSON TO ASSUME FOR IT AND ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OF THIS PRODUCT THE WARRANTY SHALL NOT APPLY TO TH...

Page 8: ...tallation Damage due to lack of proper maintenance Loss of use of components due to poor maintenance TYPICAL MAINTENANCE SUMMARY FORM 1 Equipment item 2 City equipment identification number 3 Manufact...

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