Siemens 257-02043 Globe Valve Assembly, 2 Way, 1/2 in.

Product Description

The Siemens Globe Valve Assembly, MPN 257-02043, is designed for controlling the flow of hot or chilled water. This valve assembly includes a pneumatic actuator that operates within a range of three to eight psi, making it suitable for various temperature conditions.

• Direct Coupled Universal Bonnet for easy installation.
• ANSI Leakage Class IV certification ensures reliable sealing.
• Modified Equal Percentage flow characteristic for improved control.

Product Highlights

This assembly is suitable for HVAC systems requiring efficient flow control of liquids in piping applications.

Product Information

Standard Information

• Brand: Siemens
• Part Number: 257-02043

Technical Specifications

• Service: Water, Water-Glycol solutions to 50%
• Close-Off Pressure: 45 psi
• Flow Characteristic: Modified Equal Percentage
• Operating Conditions: 35 F to 250 F (2 C to 120 C)
• Connection Size: 1/2 in.
• Stroke: 7/32 in.
• Air Connection: 1/8 in. NPT Barbed Fitting
• Weight: 2 lbs