Sensus 143-62-021-17 Green Spring

The Sensus 143-62-021-17 Green Spring is a critical calibration component engineered for Sensus 143-80 series domestic service regulators. Designed for precise outlet pressure control, this heavy-duty spring provides a stable set point range of 6" to 14" w.c. (Water Column). It is the standard choice for technicians converting or maintaining units for higher-pressure residential and light commercial loads, ensuring consistent delivery for natural gas, LP, and other dry industrial gases. The green color-coding allows for rapid field identification, preventing installation errors during regulator servicing. Built to withstand environmental stressors, it maintains its spring rate integrity in temperatures ranging from -20°F up to 150°F. When swapping springs in the 143-80-2 or similar models, ensure the orifice size and inlet pressure are compatible with the new 2" w.c. droop performance curve typical of this green variant. Professional gas pressure regulation requires this specific tension to maintain lock-up performance and safety standards in the field.

• Optimized Pressure Range: Precisely calibrated for 6" to 14" w.c., ideal for elevated residential gas delivery.
• Universal Compatibility: Fits Sensus (formerly Rockwell, Equimeter, and Invensys) 143-80, 143-8, and 143-12 regulator bodies.
• Field-Proven Durability: Constructed from high-tensile alloy to resist fatigue and maintain set point stability in harsh environments.
• Rapid Identification: Standardized green color-coding ensures correct part selection for technical HVACR inspections.
• Versatile Application: Suitable for multi-gas service including Propane, Nitrogen, and Dry CO2.

Common Questions:

Can I use the Green Spring with any orifice size?
Technically, yes, but your max inlet pressure varies. For example, with a 3/16" orifice, your max inlet is 125 PSIG, but with a 1/2" orifice, it drops to 20 PSIG. Always check the Sensus capacity charts for your specific configuration.

How do I adjust the outlet pressure once installed?
Remove the regulator cap and turn the adjustment button clockwise to increase the compression on the 143-62-021-17 spring, which increases outlet pressure. Always perform adjustments with a manometer while gas is flowing.

Does this spring work in the 143-80-2HP high-pressure model?
No. The HP (High Pressure) models utilize different spring series (like the Cadmium or Black springs) for PSI-level delivery. The Green Spring is strictly for Inches of Water Column (w.c.) ranges.

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.