Johnson Controls TBG16A-600R Siphon Loop

The Johnson Controls TBG16A-600R Siphon Loop is a fundamental protecting component for steam pressure controls, specifically engineered for seamless integration with the P47 series steam pressure control. Designed to provide a reliable liquid seal, this 1/4" MPT/FPT siphon loop functions as a cooling leg to protect internal sensing elements from high-temperature live steam. By leveraging a precise mechanical design, the TBG16A-600R ensures that condensate remains trapped within the loop, effectively absorbing thermal shocks and preventing direct steam contact with the controller?s bellows or diaphragm. This steam trap assembly is essential for maintaining accurate pressure regulation and extending the operational lifespan of industrial heating systems. Constructed for durability in demanding mechanical environments, it features standard 1/4 inch NPT threading for secure, leak-free installation in vacuum systems, condensate drains, and HVACR pressure monitoring applications.

• P47 Series Compatibility: Purpose-built to function as a dedicated steam pressure control accessory for Johnson Controls P47 models.
• Thermal Protection: Creates a localized condensate barrier that shields sensitive instrumentation from the damaging effects of high-velocity steam.
• Standardized Threading: Features a 1/4" Male Pipe Thread (MPT) inlet and 1/4" Female Pipe Thread (FPT) outlet for universal fit in industrial piping.
• System Integrity: Prevents air entry and regulates the pressure differential between the condenser and evaporator for balanced system performance.
• Compact Mechanical Design: Optimized for installation in tight mechanical closets and complex boiler room manifolds.

How does this siphon loop protect my pressure controller?
The loop traps water (condensate) which acts as a thermal buffer. When steam enters the line, it hits the water instead of the control sensor, allowing the pressure to be transmitted accurately without the extreme heat.

Can the TBG16A-600R be used in vacuum applications?
Yes, this component is rated for use in both vacuum systems and high-pressure steam environments where maintaining a liquid seal is critical for preventing air infiltration.

Is this a direct replacement for standard steam trap assemblies?
While it is often categorized as a steam trap assembly, its primary role is as a protective siphon for pressure-sensing controls rather than a high-volume condensate removal trap.

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.