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Within the US:
1-800-558-5853

Outside the US:
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Fisher Controls Information Center
P.O. Box 8004
McKinney, TX 75069-8004


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www.emersonprocess.com/regulators
Engineered Pressure and Flow Control Solutions

1805 Series Relief Valve

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1805 Series Relief Valves

The 1805 Series relief valves are designed for use in farm tap applications where a relief valve is needed between the first-stage and second-stage regulators. The 1805 Series relief valves are suitable for natural gas, air, propane, or any medium compatible with the internal valve parts.

Relief pressures range from 5 to 125 psig (0,34 to 8,6 bar). Maximum pressure, including buildup, is 150 psig (10,3 bar).

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Features
  • Tight Shutoff
  • Easy Maintenance
  • Simple Adjustment
  • Complete Venting
  • Sour Gas Service Capability
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Body Size and End Connection Styles
3/4, 1, 1-1/2, or 2-inch NPT
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Maximum Inlet Pressure

150 psig (10,3 bar), including buildup(1)

(1)The pressure / temperature limits or any applicable standard limitation should not be exceeded. 

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Relief Set Pressure Ranges
5 to 125 psig (0,34 to 8,6 bar) in six ranges
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Temperature Capabilities

-20 to 150°F (-29 to 66°C)

(1)The pressure / temperature limits or any applicable standard limitation should not be exceeded.

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Approximate Shipping Weights
3/4 to 1-Inch Bodies: 5 pounds (2,3 kg)
1-1/2 to 2-Inch Bodies: 13 pounds (5,9 kg)
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Additional Technical Data
For additional technical information, contact your local Sales Office or refer to technical documentation.
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Contacts:
    Telephone     Email     Write    

Within the US:
1-800-558-5853

Outside the US:
1-972-548-3574

Fax:
1-972-547-3712

Emerson Regulator Division Information Center
P.O. Box 8004
McKinney, TX 75069-8004




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