ตัวแทนจำหน่าย Fisher by Emerson Type R122H First Stage Regulator ในประเทศไทย
The Fisher Type R122H is a UL®-listed regulator engineered for two-stage LP-Gas systems. Its primary function is to reduce tank pressure to a consistent outlet pressure of 10 psig (0.69 bar). Designed with a compact form factor, the R122H is ideal for small residential applications and installations involving underground tanks. The outlet pressure is non-adjustable and is factory-set to a nominal 10 psig. As standard, the unit features a screened drip-lip vent oriented above the outlet.
Features
• 20-Year Recommended Replacement Life
Constructed using proven design principles and corrosion-resistant materials inside and out, the R122H is built for long-term reliability. With correct installation and routine maintenance, it is rated for a 20-year service life.
Built-In Dual Gauge Taps
• Equipped with 1/8-inch NPT gauge ports on both the inlet and outlet sides. Each is orificed to a #54 drill size, allowing for quick and convenient system pressure checks.
Enhanced Durability
• A fluorocarbon valve disc improves lockup performance—particularly beneficial for systems handling contaminated gas.
Accurate and Stable Regulation
• A large, fabric-reinforced diaphragm paired with a stabilizer clip ensures consistent outlet pressure and smooth regulation performance.
Compact and Installer-Friendly
• The small size and accessible wrench flats on the inlet and outlet connections make the R122H easy to install, even in tight or confined spaces.
Superior Overpressure Protection
• Designed with a high-capacity relief valve and a large vent, the R122H provides protection that exceeds UL safety standards. When used with a Type R622 or R652 second-stage regulator, the system limits downstream pressure to 2 psig (0.14 bar) even under dual failure conditions.
Advanced Corrosion Resistance
• All castings undergo a protective internal and external coating process before painting. Additionally, stainless steel components—such as the relief valve spring and retainer—enhance long-term resistance to corrosion.
Positive Draining Spring Case
• When installed with the spring case vent pointing downward, the internal design enables moisture drainage, helping to prevent corrosion and ice buildup inside the spring chamber.
Specifications
Body Sizes and End Connection Styles (inlet x outlet)
• 1/4-inch x 1/2-inch NPT
Maximum Allowable Inlet Pressure
• 250 psig / 17,2 bar
Nominal Outlet Setting
• 10 psig / 0,69 bar non-adjustable
Capacity
• 1,100,000 btu
Vent Size
• 3/8 NPT screened
Temperature Capabilities
• -20° to 160°F / -29° to 71°C
Approximate Weight
• 1.2 lbs / 544 g
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