Description
The Spirax-Sarco RTA-125 is a 3/4″ angle-pattern thermostatic steam trap engineered for dependable condensate and air discharge in a wide range of commercial and industrial steam heating applications. Spirax-Sarco is a globally recognized leader in steam system technology, and the RTA series reflects their commitment to precision engineering, long service life, and energy-efficient steam management.
Product Overview
The angle-body configuration of the RTA-125 simplifies piping layouts where inline installation is not practical, allowing for flexible system design without sacrificing performance. The thermostatic operating element responds accurately to temperature differentials between steam and condensate, opening to discharge cooled condensate and air while remaining closed to live steam — helping to maximize system efficiency and reduce energy waste.
Key Features
- 3/4″ angle-pattern body for versatile piping configurations
- Thermostatic operating principle for accurate steam/condensate differentiation
- Designed for commercial and industrial steam heating systems
- Compact, robust construction for long-term reliability
- Effective air venting capability to prevent system air-binding
- Manufactured by Spirax-Sarco, a world leader in steam system solutions
Applications
- Steam distribution and heating systems
- Unit heaters and heat exchangers
- Steam tracing lines
- Process heating equipment
- HVAC and hydronic steam systems
Why Choose Spirax-Sarco
Spiax-Sarco steam traps are trusted by engineers and contractors worldwide for their consistent performance, minimal maintenance requirements, and energy-saving design. The RTA-125 is built to withstand the demands of continuous steam system operation, making it an ideal choice for both new installations and system upgrades.







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