Core Design Advantages
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Integral Two-Stage Construction: By combining both stages into one body, the R232E is ideal for tight tank domes or underground applications where space for two separate regulators (first and second stage) is physically unavailable.
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20-Year Recommended Service Life: Supported by corrosion-resistant internal components and stainless steel parts, Fisher recommends a 20-year replacement interval—significantly longer than many residential-grade alternatives.
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Optimized Venting and Safety: The unit features a dual-vent system for maximum protection. The first-stage vent is a screened drip-lip style oriented downward to prevent moisture buildup, while the second-stage vent ensures positive draining of the spring case.
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Simplified System Checks: Built-in gauge taps on both the inlet and outlet allow technicians to verify tank and delivery pressures instantly without breaking pipe seals or interrupting service.
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High Resilience: Tested and rated for temperatures as low as -40°C, ensuring reliable service in extreme winter environments.
Technical Specifications
| Feature | Specification Details |
| Service Type | LP-Gas (Propane) |
| Configuration | Integral Two-Stage (2 psig Service) |
| Inlet Connection | 1/4-inch FNPT or FPOL |
| Outlet Connection | 1/2-inch or 3/4-inch FNPT |
| Maximum Inlet Pressure | 250 psig (17.2 bar) |
| Fixed Outlet Pressure | 2 psig (0.14 bar) |
| Flow Capacity | Up to 500,000 BTU/hr |
| Temperature Range | -20° to 160°F (-29° to 71°C) |
Technical Support from Xi’an Yunrui (yunrui)
As a specialized supplier of Fisher LP-Gas solutions, Xi’an Yunrui (yunrui) helps you ensure that your R232E units are correctly matched to your BTU load and piping distances. In a 2 psig system, the downstream pipe sizing is critical to maintaining consistent pressure at the appliance during peak demand.
If you are currently designing a domestic gas layout and need to verify the maximum allowable pipe run for a 500,000 BTU load at 2 psig, please contact our technical team for assistance.
