Siemens 259-02017 Valve Assembly Normally Closed 0.63 Cv 1/2 in

Product Description

The Siemens 259-02017 valve assembly is a normally closed device designed for efficient flow control. It has a flow rate of 0.63 Cv and a half-inch line size, making it suitable for various HVAC applications. This valve is compliant with ANSI Leakage Class IV, ensuring minimal leakage during operation. The assembly features stainless steel trim and operates with an electronic actuator that allows for floating control. The fail-in-place functionality ensures safety during power loss.

• UL Listed for plenum installations
• Direct coupled installation without tools
• Manual override with auto unlock

Product Highlights

Product Information

Standard Information

• Manufacturer: Siemens Building Technologies
• Product Series: MT

Technical Specifications

• Connection: NPT
• Cv: 0.63 CV
• Fail-Safe: Non-Spring Return
• Supply Voltage (Nominal): 24 VAC
• Trim Material: Stainless Steel
• Pattern: 2-way
• Size: 1/2 in
• Control Signal: Floating
• Max Close-Off Pressure: 95 psi
• Body Pattern: Two-Way Normally Closed
• Valve Style: Globe
• Medium Temperature Range: 35-250 °F
• Flow Characteristic: Modified Equal Percentage
• ANSI Leakage Class: IV (0.01% Of Cv)
• Service: Water, Water-Glycol Solutions To 50%, Low Pressure Steam <15 psi
• Operating Conditions: 41 F To 122 F (5 C To 50 C)
• Power Consumption: 0.8 VA
• Electrical Connection: Plenum cable Or 3/8-inch flex conduit
• Housing: NEMA 1
• Spring Return: Non-Spring Return
• Type: Valve (Globe)
• Valve Size: 0.5inch - 2 Way
• Voltage: 24V
• Body Rating: ANSI 250
• Max Temp: 250 °F
• Trim: SS
• NSR/SR Actuator: Non-Spring Return
• Actuator Type: Electronic
• Fail-safe Position: Fail-In-Place
• Control Signal Type: 3-Position
• Nominal Voltage: 24
• NEMA Rating: 1
• Aux Switches: 0