Conbraco 20-205-00 Valve

The Conbraco 20-205-00 is an industrial-grade heavy pattern bronze water gauge set engineered for high-pressure liquid level verification in boiler and process piping systems. Designed for demanding HVACR environments, this assembly features a 1/2" NPT male connection and a robust rough bronze body that ensures long-term structural integrity. This specific configuration includes a 5/8" OD x 12" length standard glass tube, secured by durable EPDM glass seals and high-performance Teflon (PTFE) stem packing to prevent leakage under thermal cycling. The unit is equipped with a composite plastic wheel for manual isolation and is rigorously rated for 200 PSI at 400°F and up to 400 PSI at 100°F. For the service technician, the 20-200 series heavy pattern design provides a thicker wall section than standard sets, making it a reliable choice for high-service boiler water level monitoring and industrial sight glass applications. Each set includes essential coated steel guard rods and a 1/4" needle drain valve for simplified maintenance and blow-down procedures.

• Enhanced Durability: Heavy pattern bronze construction provides superior resistance to mechanical stress and corrosion in thermal systems.
• Secure Sealing: Integration of Teflon stem packing and EPDM seals offers high-temperature chemical compatibility and leak prevention.
• Complete Assembly: Includes top and bottom valves, 12-inch sight glass, and steel guard rods for immediate field installation.
• Precise Level Monitoring: The 5/8" OD glass allows for clear visual inspection of liquid levels in pressurized vessels.

Common Questions

What is the maximum pressure rating for the Conbraco 20-205-00?
This gauge is rated for 400 PSI at 100°F and 200 PSI at 400°F. Always verify that your glass tube and gaskets are also rated for the intended operating pressure and temperature.

Does this unit include automatic ball checks?
The 20-205-00 is a non-automatic model. For applications requiring automatic shut-off in the event of glass breakage, refer to the 20-250 series equivalents.

What maintenance is required for these sight glass valves?
Technicians should perform daily visual inspections for glass thinning or erosion. Use the integrated 1/4" needle drain valve to blow down the gauge regularly to prevent sediment buildup.

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.