Description
Siemens Building Technology 656-0021 Overview
The Siemens Building Technology 656-0021 is a 3/4-inch normally open (N/O) angle-pattern steam valve engineered for dependable performance in commercial and industrial HVAC hydronic and steam distribution systems. Designed to integrate seamlessly with Siemens building automation and control platforms, this valve delivers precise flow regulation and long-term reliability in demanding steam system environments.
Key Features
- 3/4″ angle-body valve configuration for space-efficient piping installations
- Normally Open (N/O) operation — valve opens in the de-energized state for fail-safe steam flow
- 5/10 lb steam pressure rating suitable for low-pressure steam heating systems
- 4.6 Cv flow coefficient for accurate and consistent flow capacity
- Angle valve design reduces pressure drop and simplifies piping layouts
- Built to Siemens Building Technology quality standards for commercial HVAC applications
- Compatible with Siemens building automation and control systems
Specifications
- SKU: 656-0021
- Brand: Siemens Building Technology
- Connection Size: 3/4″
- Valve Action: Normally Open (N/O)
- Body Style: Angle
- Pressure Rating: 5/10 lb (steam)
- Flow Coefficient (Cv): 4.6
Applications
- Commercial and institutional low-pressure steam heating systems
- Building automation and energy management control systems
- Hydronic and steam distribution in schools, hospitals, and office buildings
- Zone control and terminal unit steam valve applications
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