Spirax Sarco BTM7 is a 316L clean steam thermostatic steam trap for clean steam systems up to 7 bar g and 170°C. The valve body internal surface finish is Ra 1.6~3.2 μm, with threaded, butt-weld, and hygienic clamp connections available for condensate drainage from sterilizers, process vessels, and CIP/SIP piping.
BTM7 Stainless Steel Hygienic Thermostatic Steam Trap Product Photo 1
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Spirax Sarco BTM7 316L Clean Steam Thermostatic Steam Trap
Clean steam thermostatic steam trap for condensate drainage in CIP/SIP applications, with sanitary clamp connection options.
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After-sales support
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Specifications
- Maximum allowable pressure
- 7 bar g @ 170°C
- Maximum operating pressure (saturated steam)
- 7 bar g
- Maximum operating temperature
- 170°C
- Minimum operating temperature
- 0°C
- Maximum cold hydraulic test pressure
- 10.7 bar g
- Body material
- AISI 316L (1.4404)
- Internal surface finish
- Ra 1.6-3.2 μm
- Seal material
- FKM
- Connection type
- BSP/NPT threaded, butt weld, sanitary clamp
- Connection size
- 1/4", 1/2", 3/4", 1", DN8, DN10, DN15
- Installation orientation
- Vertical pipe, downward flow
- Certification standards
- ASME BPE, PED, FDA/3-A, USP Class VI
Application scenarios
Clean Steam Condensate Drainage for Sterilizers
Used in clean steam systems for sterilizers to discharge condensate generated during operation at condensate drainage points. This product is designed for clean steam systems and discharges condensate close to saturated steam temperature.
Clean Steam Condensate Drainage for Process Vessels
Used for condensate drainage in clean steam pipework associated with process vessels, discharging condensate generated by the system. The product features a 316L stainless steel body, high internal surface finish, and a self-draining design.
Clean Steam Pipework Drainage in CIP Systems
Used in clean steam pipework for CIP systems to discharge steam condensate at drainage points. Product documentation explicitly states its suitability for CIP/SIP systems and provides connection options compatible with clean systems.
In-Place Steam Sterilization Condensate Drainage in SIP Systems
Used for condensate drainage during steam sterilization in SIP systems. Product documentation explicitly states its suitability for CIP/SIP systems and permits installation in vertical pipework with downward flow.
Selection points
316L sanitary-grade material and compliance certifications
The body is made of AISI 316L, and the seal complies with FDA and USP Class VI requirements. The product complies with ASME BPE and relevant sanitary compliance requirements.
Multiple connection types and connection sizes
The product supports BSP/NPT threaded, butt-weld, and sanitary clamp connections. Connection sizes include 1/4 in., 1/2 in., 3/4 in., 1 in., DN8, DN10, and DN15.
Fixed discharge orifice fail-open option
A fixed discharge orifice option is available to maintain open discharge in the event of failure.
Vertical pipe installation with downward flow
The product is suitable for installation on vertical piping, with the process flow directed downward.
Installation & maintenance notes
Install with downward flow in a vertical pipe
BTM7 shall be installed on a vertical pipe with the process flow directed downward.
Operate within the allowable pressure and temperature limits
Site operating conditions shall not exceed the maximum allowable pressure of 7 bar g @ 170°C, the maximum operating pressure (saturated steam) of 7 bar g, or the maximum operating temperature of 170°C.
FAQ
What clean steam system applications is BTM7 suitable for?
BTM7 is used to remove condensate from clean steam systems and is suitable for applications including sterilizers, process vessels, and CIP/SIP systems. It discharges condensate close to saturation temperature and features a self-draining design.
What are the installation orientation requirements for BTM7?
BTM7 should be installed in a vertical pipe with downward media flow to ensure free condensate drainage. Suitable isolation valves should be installed upstream and downstream of the steam trap to facilitate safe maintenance and replacement.
What connection types and sizes are available for BTM7?
Available options include threaded, imperial butt-weld, sanitary clamp, and DIN 11850 or ISO 1127 series butt-weld connections. Threaded and sanitary clamp sizes include applicable options in 1/4 inch, 1/2 inch, 3/4 inch, and 1 inch; the specific configuration should be confirmed based on the actual model and application conditions.
What are the maximum operating pressure and temperature of BTM7?
BTM7 has a maximum operating pressure of 7 bar g under saturated steam conditions and a maximum operating temperature of 170°C; the minimum operating temperature is 0°C. The maximum allowable body pressure is 7 bar g@170°C, and the design maximum cold hydraulic test pressure is 10.7 bar g.
What replacement spare parts are available for BTM7, and what information is required when ordering?
Available spare parts include the thermostatic element, O-ring seals (set of 3), and the outlet body with valve seat. When ordering spares, specify the steam trap model, size, and connection type; for the outlet body, the connection form must also be specified.