BECK

Pressure regulators for monitoring and regulating the flow of a liquid or a gas, pressure measuring apparatuses for monitoring and displaying the physical pressure of a liquid or a gas; pressure controllers in the nature of blowout preventers; switching devices in the nature of pressure switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems; display devices in the nature of LCD panels and LED panels, electrical power supplies, all for use with the aforementioned pressure regulators and pressure measuring apparatuses