Clean Solutions Flow Switch for Green Hydrogen Energy Production

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Fluid Components International

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Fluid Components International’s SIL-2 rated FS10i Flow Switch Series offers precision thermal sensors which proves beneficial for the production of green hydrogen energy. It is also claimed to be the only product in its class to carry a SIL 2 compliance rating with a 90 % Safe Failure Fraction.

The versatile SIL-2 rated FS10i Flow Switch Series from Fluid Components International (FCI) with its cutting-edge precision thermal sensors provides exceptional liquid trip point alarm output switching and flow monitoring designed to meet the demanding requirements of green hydrogen (H2) energy production, shares the company.

For green H2 production, FCI’s thermal FS10i Flow Switch is a universal flow switch and flow monitor designed for simple insertion into 13 mm (0.5-inch) or larger diameter pipes and square ducts for either liquid or air/gas service. Whenever detecting a flow rate that is either too high or too low is required, the FS10i Flow Switch is the solution, mentions the firm. It also states that it is a flow sensing instrument that provides highly accurate, repeatable and fast-responding flow trip point or alarm setting.

The Switch’s flow sensitivity (setpoint range) in liquids is from 0,003 to 0,15 MPS (0.01 to 0.5 FPS) and in gases is from 0,076 to122 MPS (0.25 to 400 SFPS). Its standard 1A relay trip point is easily set in the field for low or high trip point and the trip and reset points can be further tuned with hysteresis and time delay adjustments, opines the company.

Also provided standard with the Switch is a 4- 20mA trending output of the flow rate for connection to ancillary controls or alarm systems. The Switch includes a 10-LED array for both an indication that the trip point has been exceeded (LED flashes on/off) and of relative flow rate (10 percent increments) across the flow range.

This versatile switch provides best-in-class features for installation in rugged duty and long-life in industrial plants, processes and large buildings. Its flow sensor’s thermowells are constructed of highly corrosion resistant Hastelloy C-22, and it will operate in fluid temperatures up to 121°C (250°F) with an IP protection rating to IP67. According to the firm, it is the only flow switch in its price range to carry a SIL 2 compliance rating on the 4-20mA flow monitoring output and SIL 1 compliance on the alarm relay. It has no moving parts to clog and requires no routine maintenance, which saves technician time and expense over any mechanical-technology based flow switch.

To ensure best performance and installation ease, the Switch is available in a choice of flow element lengths (insertion depth) and process connections: a 50 mm (2-inch) length with a 0.25-inch NPT fixed threaded connection or a 150 mm (6 inch) length, variable depth, with 0.5 inch NPT compression fitting with either a Teflon or metal ferrule.

It is the only product in its class to carry a SIL 2 compliance rating with a 90 % Safe Failure Fraction (SFF), adds the company. The FS10i also carries global approvals: Atex, CE, CRN, FM, Fmc, Iecex and EAC/TR CU. Optional global agency approvals are also available for installation in Division 2/Zone 2 locations.

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