Modbus Organization

Advantages of Joining | Join Form | Toolkit | Subscribe to Newsletter

Text Size: smallmediumlarge
 Back to Company Directory

Proportion-Air, Inc.

Member: No


8250 N. 600 W.
McCordsville, IN 46055 USA

Phone: +1 317-335-2602
Fax: +1 317-335-3853
Web Site:


Proportion-Air,Inc. is a manufacturer of electronic pressure and flow sensing devices as well as electronic pressure and flow control devices. Proportion-Air,Inc. provides pressure solutions from full vacuum through 1000 psi and flow solutions from 20 scfh through 250 scfm. The electronic pressure sensors and electronic pressure regulators along with the electronic flow monitors and electronic flow control valves can be ordered from standard product lines or custom pneumatic control solutions can be provided. These pneumatic automation products have been designed to interface in many different industrial control applications and options such as intrinsically safe control valves and pressure regulators suitable for oxygen applications, to name a few, are available. Proportion-Air, Inc is located in McCordsville, Indiana and services domestic and international needs through local distribution.


Product Name Type Connectivity Product Description
Pressure Control ValveMisc. HardwareModbusElectro-pneumatic pressure control and flow control valves equipped with the Modbus Serial bus. The serial communications capability is now available on the popular QBT, QPV, and QB3 series of pressure control valves which operate as Modbus servers.