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farris 2700 2850 pressure relief valves boiler vessels

Optional O-Ring

The 2700 Series is available with an optional O-ring seat which minimizes fugitive emissions and costly product loss. This optional seat construction provides zero bubbles per minute leakage at 90% of set pressure per API Standard 527. The tables in the full data sheet list the set pressure and temperature range for both the elastomer and Teflon seat options.
 
Series 2850 Pressure Relief Valves for Air, Steam, Vapor & Liquid Service
  • Built in conformance to ASME Code Section VIII for air, steam, and vapor service
  • Set pressures to 300 psig
  • Stainless steel body and trim
  • Also suitable for liquid service where ASME Code certification is not required
 
Specifications

ASME Code
ASME Sec. VIII

Resolved Area
0.11179 in2

Operating Temperature
120oF

Relief Temperature
120oF

Operating to Set %
87.5%

Fluid State
Gas (Volume)

Operating Pressure
175 PSIG

Set Pressure
200 PSIG

Cold Diff. Test Pressure
200 PSIG

Over Pressure
20 PSIG

Percent Over Pressure
10%

farris 2700 2850 pressure relief valves boiler vessels

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