NEW Features For Some Of Our Most Popular Flowmeters

NEW 7100 With Flanged Connections

All 316L stainless steel construction with flanged connections makes this meter suitable for low-flow, high-pressure applications.

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NEW 7440 Series

Customers have asked for a rugged, low flow, glass tube flowmeter with vertical connections. The 7440 Series was designed with these qualities in mind for cost-effective purging and dosing applications. Based on a proven design, the 7440 Series offers simple, adaptable installation and low maintenance costs. Read more

King Rotameters Provide Flow Measurement Assurance

King’s focus is on using proven technology and longstanding methods to build the most accurate, versatile, and economical rotameters possible. This specialization has allowed King to be a customer-focused provider of one of the most comprehensive lines of standard and specialized variable area flowmeters anywhere in the world today.

At King Instrument Company, we realize that accuracy, reliability, and repeatability are key when selecting variable area flowmeters.
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How to Select the Correct Rotameter

Has this ever happened to you:  Your flowmeter delivery finally arrives and the expensive instruments have absolutely nothing to do with solving your particular flow measurement challenges?  Or that other company’s rotameters don’t measure up to the promised quality? And your job is on hold until you find the correct way of sizing variable area flowmeters suitable for liquid or gas applications?

Well, if you do need accurate, repeatable, low-cost rotameters—delivered on time to keep you operating under budget—we are here to help. King Instrument Company has made selecting the correct rotameter for your application a cinch.  Really.
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ISO 9001:2015 Certified

Registered_to_ISO_9001_ANAB_blueKing Instrument Company has been certified by NSF – ISR to be in conformance to the internationally accepted ISO 9001:2015 Quality Management System standard.

Achievement and maintenance of this certification speaks of our on-going commitment to Customers to the delivery of quality products – on-time and hassle-free.

We expect our focus on continuous improvement of products, services, and our relationships to translate to long-lasting benefits for our Customers, Suppliers, and Employees. View our Certificate

We Believe In Responsible Engineering And Manufacturing

We support engineering and manufacturing practices based on socially – responsible supply chains, locally and globally. Our tungsten and tantalum components are manufactured from Conflict-Free mineral sources. Contact Supplier Quality Management


Environmental and Sourcing Policy

King Instrument Company of Garden Grove, California believes it has a responsibility to protect and care for  the environment in which we operate. We are committed to improving environmental performance across our business activities and encourage our business partners and wider community to join us in this effort.
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