Proportion-Air
                     Welcome To
Nayagi Industrial Technologies
nayagi.in
Proportion-Air
Mass Flow Controllers
Proportion-Air manufactures complete ranged of electro- 
Pneumatic flow pressure  and flow control valves that have 
quick response and the ability to control flow rates from 2 
SCFH to 250 SCFM.
These flow control valves are industrial quality and can be 
mounted in any orientation with the ability to withstand 
intense vibrations while continuing to control flow. Our 
flow control assemblies are subject to a 10:1 turndown 
ratio (inquire about 20:1) meaning that we will control flow 
at 10% to 100% of the range with ±0.25% repeatability. 
The gases we can control include Air, Argon, Carbon 
Dioxide, Helium (not bubble tight), Nitrous Oxide, Nitrogen 
and Oxygen.
FQPV2 | F- FQB3 | F- FQB2 | F-
Series Series Series
< 1 SCFM Flow < 30 SCFM Flow < 250 SCFM Flow 
Control Control Control
F-Series
Mass Flow Transducer
FCV
1″ Flow Control Valve
The building block for all our mass flow controllers is 
the F-series mass flow transducer. The F-series uses 
high speed differential pressure technology to 
produce an electrical signal proportional to the mass 
flow of air – or whatever gas you want to control. 
This high-speed flow signal can be used by a wide 
variety of Proportion-Air mass flow control valves to 
close the loop directly around air flow. 
Based on your required flow rate, the F-series mass 
flow transducer is matched to the appropriate flow 
control valve and then calibrated specifically to your 
exact flow range.
Contact Us
E1-Beech,Ground Floor, 
Manyata Embassy Business Park, 
Outer Ring Road, Nagawara, Bangalore.
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