Sensus 143-16-511-10 Valve Seat

The Sensus 143-16-511-10 Valve Seat is a critical replacement component engineered for the Sensus Model 243 Service Regulator. This 30-degree (30') seat design is built to provide a high-integrity seal within the internal valve assembly, ensuring precise lock-up and stable pressure regulation under varying load conditions. Specifically designed to replace the obsolete 143-16-511-05 part, this natural gas regulator valve seat is vital for technicians performing routine maintenance or troubleshooting high-flow Sensus 243-8 and 243-12 industrial regulators. Crafted from durably bonded materials to resist chemical degradation from fuel gases, the Sensus 143-16-511-10 maintains its profile over extended duty cycles, preventing "creep" and protecting downstream equipment. Whether you are servicing a 1-1/4", 1-1/2", or 2" model, integrating this genuine HVAC gas regulator part ensures your meter set complies with operational safety standards and maintains manufacturer flow specifications.

Key Benefits

• Precise Lock-up Performance: The 30-degree profile ensures a tight seal against the orifice, preventing pressure spikes during no-flow conditions.
• OEM Compatibility: Drop-in replacement for the Sensus 243 series, including those requiring the formerly used 143-16-511-05 model.
• Industrial-Grade Materials: Engineered to withstand the abrasive effects of gas line debris and chemical additives within the gas stream.
• Optimized Flow Dynamics: Reduces turbulence at the seat interface to maintain stable delivery pressures across the regulator's entire capacity range.

Common Questions

Is this valve seat compatible with all Sensus 243 regulator sizes?
Yes, the Sensus 143-16-511-10 is designed to fit the standard valve body of the 243-8, 243-12, and 243-12-2 models, regardless of whether the pipe size is 1-1/4", 1-1/2", or 2" NPT.

When should a technician replace the 143-16-511-10 valve seat?
It should be inspected during any regulator teardown. Replace it immediately if there are visible indentations, tears, or if the regulator fails to achieve a "bubble-tight" lock-up during a pressure test.

Does this part work for both natural gas and propane applications?
Yes, this genuine Sensus valve seat is rated for use with natural gas, LPG, and other non-corrosive technical gases typically handled by the Model 243 series.

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.