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Products Variable Area Flowmeters Glass Tube FC Series
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FC Series Manual Flow Controllers

Precise fluid controllers ensure constant pressure across valves.
Models FC8744 / FC8800 / FC8900

Supply or discharge pressures may vary. But with flow controllers from Brooks Instrument, the differential pressure across the integral manual flow regulating valve remains constant. An internal diaphragm-actuated control valve receives incoming pressure on one side and outlet pressure with spring action on the other. This design balances pressure variations to maintain a fixed differential pressure across the valve that ensures constant flow. The result is precise flow control for many gas and liquid-service applications. Can be used as a stand alone flow controller or integrally mounted to a flowmeter to save space and improve installation.


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FC Series Data Sheet

Features

  • Accurately adjusts and maintains gas and liquid flows
    • Model FC 8744 - low flows with variable downstream pressures
    • Series FC 8800 – with variable upstream pressures
    • Series FC 8900 - with variable downstream pressures
  • Flow Ranges
    • Air: Up to 2130 scfh / 56,000 ln/h
    • Water: Up to 480 gph / 1820 l/h
  • Pressure Ratings: Up to 1000 psig / 69 bar
  • Controller body made from 316 stainless steel, brass or aluminum (FC 8744 only)
  • Controller diaphragm made from Buna-N, Teflon® or Viton® fluoroelastomers
  • Needles made from 316 stainless steel for cartridge valve, NRS valve or high-flow needle valve

Benefits

  • Integral mounting to flow meter saves space and improves installation
  • High-resolution valves provide precise flow control for many applications
  • Choice of different diaphragm and O-ring materials ensures process immunity and flexibility
  • Available in a range of sizes and front or rear mounting options to easily meet installation requirements

Applications

  • Pharmaceutical production
  • Oil and gas pumping and refining processes
  • Fuel cell research
  • Chemical manufacturing
  • Analytical instrumentation
  • Water treatment and distribution systems
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Product Type
Manual Flow Controller
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Differentiator
Available as Standalone or Integrally Mounted to Flow Meter
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Performance
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Materials of Construction

Stainless Steel

Brass

Aluminum

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Flow Range (Full Scale Capacity)

Water

.024 - 480 gph

Air

.10 -2130 scfh

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Accuracy
--
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Max Temperature
178oC (350oF)
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Max Pressure
Refer to Maximum Pressure Ratings Table in Data Sheet
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Mechanical
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O-Ring Materials

Viton® fluoroelastomers

Buna-N

Kalrez®

EPR

Kalrez/Teflon®

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Process Connections

1/8" - 1/4" F-NPT

1/8" - 1/4" Tube Compression

1/4" ID Hose

3/4" F-NPT

Integral connection


FC8744 FC8800 FC8900
Differentiator

Low Flows

Downstream Pressures

Upstream Pressures

 Downstream Pressures
Flow Range (Full Scale Capacity)

Air

0.1 - 200 scfh

0.04 - 100 lpm

 

 

Air

0.1 - 4.9 scfh

2.6 - 130 ln/h

 

 

Air

0.1 - 200 scfh

0.04 - 100 lpm

 

 
Flow Range (Full Scale Capacity)

Water

10 - 240 ccm

0.2 - 40 gph

Water

0.24 - 1.2 gph

0.09 - 4.5 l/h

Water

10 - 240 ccm

0.2 - 40 gph
Filename File Type Documents By Language
Data Sheet pdf English
Installation & Operation Manual - EN pdf English
Installation & Operation Manual - RU pdf English
Filename File Type
FCA8744-5-0-A-0 zip
FCA8912-1-0-A-0 zip