AST Pressure Switch Covers Niche In Natural Gas, Hydrogen Refueling


American Sensor Technologies Inc. (AST) has released its AST46SW explosion-proof pressure switch, which can be used in natural gas and hydrogen fuel cell refueling environments and applications.

The AST46SW offers a single-pull, double-throw configuration with factory-set switch points and hysteresis, the company says. The one-piece, stainless steel sensing element draws from AST's proprietary Krystal Bond technology to facilitate the measurement of pressure in extreme conditions.

With a maximum operating pressure range up to 20,000 PSI, the switch maintains ‘high performance with zero signal drift due to an extremely thick and robust sensing diaphragm,’ AST says.

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