User Manual

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7310 Series

Installation Instructions

Flow Meter liMited warranty

Meters are warranted against defects in materials and workmanship to the original user for a period of thir-

teen (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 recommendations.

This warranty does not apply if failure is caused or contributed to by any of the following: improper handling,

improper storage, abuse, unsuitable application of the product, lack of reasonable and necessary mainte-

nance, 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 modied. This warranty is non-transferrable and is limited to replacement or repair. The liability of King In-

strument 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, EXPRESSED OR

IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OR MERCHANTABILITY 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, CONSEQUEN-

TIAL 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, uid and other requirements

are compatible with the meter (including o-rings.)

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 ow 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) 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 uid leaks at the threaded connections.

4) Handle the meter carefully during installation.

a) Use an appropriate amount of teon 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 ttings will support several feet of pipe

as long as signicant vibration or stress resulting from misaligned

pipe are not factors.

additionally

7310 Series meters are designed for vertical installation only. (Inlet at

bottom, Outlet at top)

Max Non-Shock Pressure and Temperature

Fitting Temp Pressure

316LSS

PVC & PVDF

200° F

130° F

200 psig (41W-103W)

150 psig (41W-72W)

125 psig (90W-103W)

Ambient Temp. 33° F -125° F

Summary of content (4 pages)

PAGE 1
7310 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 recommendations.
PAGE 2
5) Install the meter vertically with the inlet port at the bottom. 6) Meters with plastic fittings must be installed so that fittings are not made to support any part of the associated plumbing. In addition, meter frame should be fastened to bulkhead, panel or column. 7) Meters used in gas service should have suitable valves plumbed in at the inlet and outlet of the meter. These valves should be no more than 1-1/2 pipe diameters from the meter ports.
PAGE 3
7310 Series Installation Instructions 4X 7310 SERIES ASSEMBLY RIB GUIDED TUBE PARTS LIST: 4X 2X 1. End Fitting Retainer Screw 2. End Fitting Retainer 3. End Fitting 4. End Fitting O-Ring 5. Float Stop / Extension Assembly 6. Float 7. Polysulfone Meter Tube 8. Scale Plate Screw 9. Scale Plate 2X 10. Case 11. Shield (Clear) 12. Shield (White) 13. Shield Cover 14. Shield Cover Screw 4X 4X 4X 4X 7310 SERIES ASSEMBLY POLE GUIDED TUBE PARTS LIST: 1. End Fitting Retainer Screw 2.
PAGE 4
7310 Series LATCHING REED SWITCH All 7310 Series flowmeters may be fitted with one or two latching reed switches. The switch assembly is mounted on the meter tube. The switch can be positioned to trip at any point on the scale. The switch is a reed type and uses a biasing magnet to give it the latching feature. The float contains hermetically sealed magnet(s), so when the float comes in proximity to the switch it closes and remains closed (latched) when the float moves below the switch it resets itself.