Conbraco 26-305-28 Gauge Cock

The Conbraco 26-305-28 is a professional-grade 1/2" Male NPT brass gauge cock engineered for high-pressure isolation in steam, water, and oil systems. Designed for technical environments that demand reliability, this Apollo compression gauge cock features a soft metal seat and stuffing box, ensuring a positive seal and preventing stem leaks under thermal cycling. The unit is rated for continuous operation up to 250 PSI at 400°F, making it a standard choice for boiler trim and expansion tank isolation. The composite plastic wheel provides ergonomic manual control while remaining cool to the touch during high-temperature service. HVAC technicians and contractors utilize this part for standard gauge installations where quick shut-off is required for maintenance or system calibration. Its polished brass construction offers superior corrosion resistance, maintaining structural integrity in demanding industrial or commercial mechanical rooms.

• High-Temperature Rating: Rated for up to 400°F, making it suitable for low and high-pressure steam applications.
• Durable Sealing: Equipped with a soft metal seat and a stuffing box to maintain a leak-proof seal during pressure spikes.
• Corrosion Resistant: The polished brass body ensures longevity when exposed to moisture and varied chemical environments.
• Standard Compatibility: Features a 1/2" Male NPT connection for seamless integration into existing HVACR piping systems.
• Manual Control: The heat-resistant composite plastic wheel handle allows for precise isolation without the need for specialized tools.

What is the maximum pressure rating for the Conbraco 26-305-28?
This gauge cock is rated for service up to 250 PSI at temperatures as high as 400°F.

Can this gauge cock be used for steam systems?
Yes, the brass construction and soft metal seat are specifically designed to handle the rigors of steam boiler applications and industrial liquid storage.

Does this unit prevent stem leakage?
The integrated stuffing box allows for packing adjustments, ensuring the stem remains sealed even after frequent manual operations.

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.