Key Instruments

Key Instruments
Phone: 800-356-7483
Fax: 800-356-7483
Geo Location Marker
250 Andrews Road
Trevose, PA 19053

View Map

Key Instruments offers flow meters and flow control valves for flow measurement in medical, industrial, chemical and laboratory applications. Our full product line includes acrylic flow meters, molded plastic flow meters, glass tube flow meters, pitot tube flow meters, electronic flow meters, flow control valves, variable area meters, flowmeter manifold systems and other rotameters.

For OEM applications, we offer precision-engineered sizes and flow ranges for a variety of fluids.

Find more flow solutions at

Company Reviews


Mail * Indicates Required Fields

Email Key Instruments

First Name:*

Last Name:*

Email Address:*

Company Name:*

Zip/Postal Code:*



Enter the text as shown:*

WARNING: This form is not to be used for solicitation. Solicitation is a violation of the Terms and Conditions of this site. Solicitors will have their IP banned and reported to the FCC.