Product Overview
This sanitary steam trap is designed to efficiently remove condensate in steam sterilization and hygienic process lines. It features a 20–25 Ra internal finish, ensuring no dead space, no contamination, and stable steam temperature throughout the system.
Operating Principle
At system start-up, the thermostatic bellows remains open to release trapped air, non-condensable gases, and low-temperature condensate. As steam reaches the trap, the rising temperature causes the bellows to expand and close the valve. When cooler condensate accumulates around the element, the bellows contracts, lifting the valve from its seat to continuously discharge condensate.
Typical Applications
Widely used in pharmaceutical, biotech, food, dairy, and beverage processing, especially in hygienic SIP/CIP systems, steam distribution points, and tracing lines.
| Name | Sanitary Balanced Pressure Thermostatic Steam Trap |
| Material | SS316L |
| Size | 1/2",3/4",1"(DN15,DN20,DN25) |
| Seal | Viton,PTFE or on request |
| Surface | Ra16-32µin (0.4-0.8µm) |
| Typical Operating Pressure | 0 – 4 bar |
| Maximum Allowable Operating Pressure | 6 bar |
| Subcooling at Start-up | 2–10°C below saturated steam |
| Normal Operating Range | 100°C ~ +170°C |
| Way of Connection | Tri-Clover/Clamp End |
| Standards | 3A / ASME BPE / ISO |
| Package | Foam bag/shrink bag-carton box-ply woodencase |
Impact of High-Subcooling Sanitary Steam Traps on SIP Temperature Stability
1. Condensate Accumulation
Sanitary Balanced Pressure Thermostatic Steam Traps with high subcooling remain closed until condensate cools below saturated steam. This can cause clean-steam condensate to accumulate in upstream tubing, where SIP sensors are typically located.
2. Validation Risks
When pooled condensate reaches the sensor, readings can drop by 0.5°C or more, triggering validation alarms. Excessive subcooling in Sanitary Steam Traps is a common cause of SIP temperature instability.
3. Recommended Solution
Choosing a Sanitary Balanced Pressure Thermostatic Steam Trap designed for minimal subcooling is essential. Proper Sanitary Steam Trap selection ensures stable temperatures, reliable sterilizati
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