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(714) 891-0008 • www.kinginstrumentco.com

When it comes to flow...we’re instrumental.

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7650 Series

Installation Instructions

FLOW METER LIMITED WARRANTY

Meters are warranted against defects in materials and workmanship to the original user for a 
period of thirteen (13) months from the date of factory shipment, provided the meter is installed, 
operated and maintained in accordance with King Instrument Company’s instructions and recom-
mendations. 
This warranty does not apply if failure is caused or contributed to by any of the following: im-
proper handling, improper storage, abuse, unsuitable application of the product, lack of reason-
able and necessary maintenance, use exceeding suggested pressure and temperature maximums, 
improper packaging for return, or repairs made or attempted to be made by anyone other than 
King Instrument Company, Inc.
KING INSTRUMENT COMPANY, INC. MAKES NO WARRANTY AS TO THE FITNESS OF ITS PRODUCTS 
FOR SPECIFIC APPLICATIONS.
This warranty is valid for the original end-user only and does not apply to products that have been 
damaged or modified. This warranty is non-transferrable and is limited to replacement or repair. 
The liability of King Instrument Company arising out of its supply of the products, or their use, 
shall not in any case exceed the cost of correcting defects in the products as set forth above.
THIS WARRANTY IS A LIMITED WARRANTY AND SHALL BE IN LIEU OF ANY OTHER WARRANTIES, EX-
PRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OR MERCHANT-
ABILITY OR FITNESS FOR A PARTICULAR PURPOSE. THERE ARE NO OTHER WARRANTIES WHICH 
EXIST BEYOND THE DESCRIPTION OR FACE HEREOF.
IN NO EVENT SHALL KING INSTRUMENT COMPANY BE LIABLE FOR LOSS OF PROFITS, INDIRECT, 
CONSEQUENTIAL OR INCIDENTAL DAMAGES. 
Products should be returned, prepaid, to King Instrument Company, Inc. with proof of purchase. 
Call factory for Return Merchandise Authorization (RMA) number and return instructions.

THIS IS IMPORTANT INFORMATION.  
READ IT CAREFULLY BEFORE BEGINNING WORK.

1) Inspect meter for damage that may have occurred during shipping.
Report any damage to the container to the freight carrier immediately.
2) Make sure your pressure, temperature, fluid and other requirements 
are compatible with the meter.
3) Select a suitable location for installation to prevent excess stress on 
the meter which may result from:
 

a)  Misaligned pipe.

 

b)  The weight of related plumbing.

 

c)  “Water Hammer” which is most likely to occur when flow is    

 

  suddenly stopped as with quick closing solenoid operated    

 

  valves. (If necessary, a surge chamber should be installed. This  

 

  will also be useful in pressure start-up situations.)

 

d)  Thermal expansion of liquid in a stagnated or valve isolated 

   system.
 

e) It is recommended to install valving which will allow the  

 

 

  meter to be drained. Meter should be drained when not in use  

 

  or prior to maintenance. 

 

f)  Instantaneous pressurization which will stress the meter and  

 

  could result in tube failure.

NOTE: 

In closed thermal transfer or cooling systems, install the meter 

in the cool side of the line to minimize meter expansion and contrac-
tion and possible fluid leaks at the threaded connections.

4) Handle the meter carefully during installation.
 

a)  Use an appropriate amount of teflon tape on external pipe 

 

  threads before making connections. Do not use paste or stick  

 

  type thread sealing products.

 
5) Install the meter vertically with the inlet port at the bottom.
6) Meters with stainless steel fittings will support several feet of pipe 
as long as significant vibration or stress resulting from misaligned pipe 
are not factors.
7) Pressure and temperature maximums must never be exceeded.

Max Non-Shock Pressure and Temperature

Temperature

140° F 

Pressure

100 psig

Ambient Temp. 

33° F -125° F

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