Siemens 257-02002B Globe Valve Assembly 2-Way 1/2 in Normally Closed

Product Description

The Siemens 257-02002B is a globe valve assembly with a pneumatic actuator configured as a 2-way, normally closed control valve. It has a 1/2 in female NPT connection, brass trim, and a flow coefficient (Cv) of 0.63. The actuator accepts a 3 to 8 psi control signal with a 7/32 in stroke and 1/8 in NPT barbed air connection. Suitable for potable water and water-glycol solutions to 50%, operating 35 F to 250 F (2 C to 120 C).

• 1/2 in female x female NPT globe valve, brass trim, Cv 0.63, modified equal percentage flow
• Pneumatic spring-return actuator, control pressure 3 to 8 psi, 7/32 in stroke, 1/8 in NPT barbed air connection; normally closed
• Close-off pressure 40 psi; serviceable for potable water and water-glycol solutions to 50%; operating temperature 35 F to 250 F (2 C to 120 C)

Product Highlights

2-way globe valve assembly, 0.63 Cv, 1/2 in NPT, brass trim, pneumatic spring-return actuator, normally closed

Product Information

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 257-02002B
• Country of Origin: US