Submetering Natural Gas

Benefits of the Inline vs. Insertion Flow

What is Submetering?

Sub-Metering Natural Gas
Sub-metering natural gas and monitoring natural gas flow rate and consumption at individual zones using thermal mass flow meters is recognized as a proven method to conserve energy.

With the goal of reducing energy utilized, as well as pressure to reduce emissions by regulators, it is crucial to monitor natural gas mass flow rate and consumption at individual zones. Monitoring helps in assessing process efficiencies, identifying unusual consumption points, promoting conservation, and providing a means for cost allocation to various operating areas. In addition, submetering helps diagnose the aging process equipment, and identify possible leaks in fuel feed lines.

ISO 50001 and Energy Management

The Plant Manager, Maintenance Manager, Six Sigma Manager or Results Engineer, all benefit from the information made available to them from appropriate natural gas instrumentation. Furthermore, the newly promulgated ISO 50001 standards define the best practice for energy management, and sub-metering will play a big role. Common applications for natural gas sub-metering will be found in a variety of Industries including Textile, Glass Manufacturing, Automotive, Aluminum & Steel, Food & Beverage.

Mass Flow Measurement

Sage Metering provides both easy-to-install insertion thermal mass flow meters as well as in-line thermal flow meters, with built-in flow conditioners that measure and report the mass flow rate of natural gas in each gas line. These direct mass flow meters do not require separate temperature or pressure transmitters, have no moving parts, are highly accurate and repeatable, and have a negligible pressure drop. Most importantly, the Sage Thermal Mass Flow Meters have extraordinary rangeability, of at least 100 to 1, with resolution as much as 1000 to 1; this provides the dynamic operating range and sensitivity necessary for modern plant processes. Also, these meters have bright graphical displays of flow rate, totalized flow and gas temperature, continuous diagnostics, output 4 -20 mA of flow rate, pulsed outputs of consumption, in conjunction with fully Modbus compliant RS485 RTU Communications. For harsh, or difficult to reach applications, Sage Prime offers a remote style flow meter, with up to 1000 feet of lead length compensated cable – all electronics and powering are done at the transmitter – thus, the probe or flow body simply has a terminal junction box.

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