This is a PN25 Gggg40 1/2 Spirax Sarco valve, branded as BWP. This valve is designed for use in hydraulics, pneumatics, pumps, and plumbing systems. The material Gggg40 likely refers to the type of cast iron used in its construction. The PN25 rating indicates the pressure the valve can handle. It is a versatile component for controlling the flow of fluids in various industrial applications.
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