ตัวแทนจำหน่าย Fisher by Emerson 1805 Series Backpressure Regulators and Relief Valves ในประเทศไทย
The Fisher 1805 Series relief valves are specifically engineered for farm tap applications, where a reliable safety relief device is required between the first and second stage regulators. These valves are suitable for use with natural gas, air, propane, or any other non-corrosive operating medium.
The 1805 Series supports relief pressure settings from 5 to 125 psig (0.34 to 8.6 bar) and can withstand a maximum pressure, including buildup, of 150 psig (10.3 bar).
Features
Reliable Shutoff Performance
• A Nitrile (NBR) O-ring and O-ring seat deliver tight shutoff to prevent leakage and ensure dependable pressure relief.
Quick and Simple Maintenance
• The union nut design enables rapid removal of the cage assembly, making trim inspection and servicing fast and efficient. The valve can typically be returned to service within minutes.
User-Friendly Pressure Adjustment
• A single adjusting screw allows for easy and precise setting changes to match specific application requirements.
Full Venting Capability
• An optional closing cap is available for applications that require all vented gas to be piped away from the valve, enhancing installation flexibility.
Sour Gas Compatibility
• Optional construction materials are available to meet the demands of sour gas service, fully compliant with NACE MR0175 and MR0103 standards for corrosive environments.
Type Number
• 1805-2
• 1805-3
• 1805-4
• 1805-5
• 1805-7
PART Number
• 1B986027212
• 1B788327022
• 1B788427022
• 1D892327022
• 1D665927022
• 1E543627142
Specifications
Body Size and End Connection Styles
• 3/4, 1, 1-1/2, or 2 NPT
Maximum Inlet Pressure
• 150 psig / 10,3 bar, including buildup
Relief Set Pressure Ranges
• 5 to 125 psig / 0,34 to 8,6 bar in six ranges
Temperature Capabilities
• -20 to 150°F / -29 to 66°C
Approximate Weights
• 3/4 to 1 NPT: 5 Pounds / 2 kg
• 1-1/2 to 2 NPT: 13 Pounds / 6 kg
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