
Siemens Building Technology 255-01119 Valve Assembly
The Siemens Building Technology 255-01119 Valve Assembly is a high-performance 2-way normally open globe valve designed for precise modulating control in HVAC terminal units. This assembly features a 1/2-inch NPT forged brass body with a 1.0 Cv capacity, utilizing an equal percentage flow characteristic to maintain stable temperature control in hot or chilled water applications. Engineered for the Powermite 599 MZ Series, this unit integrates a non-spring return modulating actuator that operates on a 0-10Vdc control signal with 24Vac/Vdc supply voltage. The brass trim and metal-to-metal seating provide reliable performance with an ANSI Class IV leakage rating, making it an ideal choice for contractors managing fan coils, induction units, and small reheat coils where fail-in-place operation is required. With a 250 psi body rating and a maximum medium temperature of 250°F, the Siemens 255-01119 ensures long-term durability in demanding hydronic systems.
Key Benefits:- Precise Flow Control: The 1.0 Cv equal percentage plug provides superior throttling for terminal unit applications.
- Contractor Friendly: Standard 1/2" NPT internal threads and a compact footprint allow for easy integration into tight mechanical spaces.
- Reliable Media Handling: Forged brass body with brass trim supports water and glycol solutions up to 50% concentration.
- Efficient Actuation: The modulating 0-10Vdc actuator ensures smooth, accurate positioning without the sudden pressure shocks common in on/off systems.
- What happens to the valve during a power loss? This assembly is normally open and uses a non-spring return actuator, meaning it will fail in its last position if a specific signal isn't present, but naturally allows flow when no mechanical force is applied during the normal operating state.
- Can this be used for steam applications? No, this specific model is designed for hot and chilled water or water-glycol solutions.
- What voltage is required for the actuator? The actuator requires a 24Vac or 24Vdc power source.
This item is not eligible for free shipping.
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.
Siemens Building Technology 255-01119 Valve Assembly
The Siemens Building Technology 255-01119 Valve Assembly is a high-performance 2-way normally open globe valve designed for precise modulating control in HVAC terminal units. This assembly features a 1/2-inch NPT forged brass body with a 1.0 Cv capacity, utilizing an equal percentage flow characteristic to maintain stable temperature control in hot or chilled water applications. Engineered for the Powermite 599 MZ Series, this unit integrates a non-spring return modulating actuator that operates on a 0-10Vdc control signal with 24Vac/Vdc supply voltage. The brass trim and metal-to-metal seating provide reliable performance with an ANSI Class IV leakage rating, making it an ideal choice for contractors managing fan coils, induction units, and small reheat coils where fail-in-place operation is required. With a 250 psi body rating and a maximum medium temperature of 250°F, the Siemens 255-01119 ensures long-term durability in demanding hydronic systems.
Key Benefits:- Precise Flow Control: The 1.0 Cv equal percentage plug provides superior throttling for terminal unit applications.
- Contractor Friendly: Standard 1/2" NPT internal threads and a compact footprint allow for easy integration into tight mechanical spaces.
- Reliable Media Handling: Forged brass body with brass trim supports water and glycol solutions up to 50% concentration.
- Efficient Actuation: The modulating 0-10Vdc actuator ensures smooth, accurate positioning without the sudden pressure shocks common in on/off systems.
- What happens to the valve during a power loss? This assembly is normally open and uses a non-spring return actuator, meaning it will fail in its last position if a specific signal isn't present, but naturally allows flow when no mechanical force is applied during the normal operating state.
- Can this be used for steam applications? No, this specific model is designed for hot and chilled water or water-glycol solutions.
- What voltage is required for the actuator? The actuator requires a 24Vac or 24Vdc power source.
This item is not eligible for free shipping.
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.
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Product Information
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Description
The Siemens Building Technology 255-01119 Valve Assembly is a high-performance 2-way normally open globe valve designed for precise modulating control in HVAC terminal units. This assembly features a 1/2-inch NPT forged brass body with a 1.0 Cv capacity, utilizing an equal percentage flow characteristic to maintain stable temperature control in hot or chilled water applications. Engineered for the Powermite 599 MZ Series, this unit integrates a non-spring return modulating actuator that operates on a 0-10Vdc control signal with 24Vac/Vdc supply voltage. The brass trim and metal-to-metal seating provide reliable performance with an ANSI Class IV leakage rating, making it an ideal choice for contractors managing fan coils, induction units, and small reheat coils where fail-in-place operation is required. With a 250 psi body rating and a maximum medium temperature of 250°F, the Siemens 255-01119 ensures long-term durability in demanding hydronic systems.
Key Benefits:- Precise Flow Control: The 1.0 Cv equal percentage plug provides superior throttling for terminal unit applications.
- Contractor Friendly: Standard 1/2" NPT internal threads and a compact footprint allow for easy integration into tight mechanical spaces.
- Reliable Media Handling: Forged brass body with brass trim supports water and glycol solutions up to 50% concentration.
- Efficient Actuation: The modulating 0-10Vdc actuator ensures smooth, accurate positioning without the sudden pressure shocks common in on/off systems.
- What happens to the valve during a power loss? This assembly is normally open and uses a non-spring return actuator, meaning it will fail in its last position if a specific signal isn't present, but naturally allows flow when no mechanical force is applied during the normal operating state.
- Can this be used for steam applications? No, this specific model is designed for hot and chilled water or water-glycol solutions.
- What voltage is required for the actuator? The actuator requires a 24Vac or 24Vdc power source.
This item is not eligible for free shipping.
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.












