Sensus 143-62-023-46 Orifice

The Sensus 143-62-023-46 Orifice is a critical precision-engineered component for Sensus 143-80 Series domestic service regulators. Featuring a 5/8" orifice size, this aluminum component is optimized for low-pressure applications, typically rated for a maximum inlet pressure of 10 PSIG. In the field, selecting the correct orifice is vital for maintaining the K-Factor—which for this 5/8" variant is approximately 820—ensuring calibrated flow rates and preventing relief valve nuisance trips or insufficient gas volume during peak demand.

This aluminum orifice provides excellent corrosion resistance and durability in standard natural gas, propane, and air services. Designed for a union nut connection, it allows for fast, bolt-free installation and seat inspection, reducing downtime for service technicians. Whether you are performing a spring change-out or a regulator capacity upgrade, this genuine Sensus part ensures the lock-up characteristics and internal relief valve (IRV) performance remain within original manufacturer specifications. Its precise machining ensures accurate flow measurement and reliable pressure regulation across commercial and industrial HVACR setups.

• Precision Machined: The 5/8" orifice diameter ensures accurate flow control and consistent delivery pressure.
• High Capacity: Optimized for low inlet pressures (up to 10 PSIG) while maintaining high SCFH delivery.
• Corrosion Resistant: High-grade aluminum construction prevents degradation in varied fuel gas environments.
• Standard Compatibility: Direct fit for Sensus model 143-80 regulators, including 143-80-1 and 143-80-2 IRV models.

What is the maximum inlet pressure for this 5/8" orifice?
When installed in a standard 143-80 regulator, the 5/8" orifice is rated for a maximum inlet pressure of 10 PSIG to ensure safe operation and proper regulation.

Is this orifice compatible with propane (LP) gas?
Yes, the Sensus 143-62-023-46 is designed for natural gas, propane (vapor), air, and dry CO2 applications, provided the inlet pressure does not exceed 10 PSIG.

Can I use this to replace a smaller orifice, like a 1/8" or 1/4"?
Yes, but you must verify the new flow capacity and ensure your maximum inlet pressure is within the 10 PSIG limit for this specific 5/8" size to prevent over-pressurization.

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.