Forbes Marshall is an ISO 9001 certified company that supplies AccuFlo Steam Flowmeter. The AccuFlo Steam Flowmeter is a steam metering system, complete with the Vortex Steam Flowmeter, Steam Link Indicator and required straight lengths with flanges, flow straightners, foolproof gaskets and steam conditioning equipment [optional]. The user interface of AccuFlo Steam Flowmeter is the Steam Link Indicator for convenient monitoring of all meters at one location.