A modulating pilot operated pressure relief valve for economizer applications that meets the stringent requirements of ASME Section I at high temperatures
Series 5200 Pilot Operated Pressure Relief Valves
Anderson Greenwood Series 5200 Pilot Operated Pressure Relief Valves

Specs

Size
1 1/2" x 2" to 8" x 10"
ANSI Class and Code
ANSI Class 150 to 2500, ASME I, ASME VIII
Orifice
0.307 to T 26.00 in2 (1.98 to 167.7 cm2)
Pressure Range
15 to 3200 psig (1.03 to 221 barg)
Temperature Range
up to 705°F (373°C)
Materials
CS, Alloy Steel

Features

  • Increased system output with total valve tightness to 96 percent of set pressure without leakage.
  • All plastic pilot seats and seals provide chemical compatibility with corrosion inhibitors in feedwater service.
  • Balanced design ensures proper valve operation and lift unaffected by back pressure; pilot exhausts to main valve outlet with no effect on set pressure.
  • Reduced product loss and pollution through soft seats for premium tightness before and after relief cycles.
  • Modulating action minimizes flow and resultant noise during normal system upset, reducing noise abatement costs.
  • Non-flowing pilot reduces seat wear and minimizes entrance of dirt and particulates.
  • Easy, single set pressure adjustment is accurate and dependable.
  • ASME Section I stamp for steam and water service; ASME Section VIII and Section XIII for steam also available.
  • Rugged bracket pilot mounting protects against vibration and careless handling.

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