Siemens Building Technology 599-02004 Valve

The Siemens 599-02004 is a high-performance 1/2 inch 2-way normally closed globe valve designed for precise flow control in terminal unit applications. Built with a rugged forged brass body and brass trim, this ANSI Class 250 rated valve manages hot or chilled water and water-glycol solutions up to 50% concentration. It features a 1.0 Cv capacity with a modified equal percentage flow characteristic, ensuring stable regulation even at low flow rates. The metal-to-metal seat provides ANSI Class IV leakage protection, while the stainless steel stem and EPDM O-ring packing offer long-term reliability in demanding hydronic systems. This Powermite MT series valve is fully compatible with MT series pneumatic or electronic actuators, including the SAS and SSC lines, featuring a direct-coupled universal bonnet for tool-free installation and a standard 10-15 psi spring range.

Key Benefits

• Precision Throttling: The modified equal percentage plug design prevents hunting and cycling in terminal unit control.
• High Pressure Rating: ANSI Class 250 construction supports static pressures up to 360 psi and close-off ratings up to 25 psi with standard actuators.
• Durable internal components: Features a 303 stainless steel stem and brass trim for resistance against scaling and corrosion in hydronic HVAC systems.
• Broad Temperature Range: Effectively handles media temperatures from 35°F to 250°F, making it suitable for both cooling and heating loops.

Common Questions

• What actuators are compatible with the Siemens 599-02004? This valve body is designed for use with Siemens MT series actuators, such as the SAS61.03U, SSC161.05U, or SFA/SFP series, utilizing a 5.5mm stroke.
• Can I use this valve for steam service? While the body is rated for high temperatures, brass trim models are intended for water application. For low-pressure steam (up to 15 psi), a stainless steel trim version is required.
• What is the default position upon power loss? As a 2-way normally closed (NC) valve, the internal spring holds the valve shut; flow is only permitted when the actuator force overcomes the 10-15 psi spring range.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.