Pressure Relief Valve

Crosby Pressure Relief Valve

Crosby H Series Direct Spring Safety Valve

Direct spring safety valves that provide comprehensive overpressure protection for ASME Boiler and Pressure Vessel Code Section I, and Section VIII steam safety applications

Features
  • Extends Up-time
  • Reduces Maintenance Costs
  • Easily Adjustable for ASME Boiler and
Product Overview

The HE ISOFLEX incorporates our latest field proven seat tightness design which allows boilers to operate close to set pressure without leakage across the valve seat.

Material316 Stainless Steel, Aluminum Bronze, Buna-N, Cast Iron, Ductile Iron, Epdm Rubber, Teflon
Operating TemperatureUp to 350 F (180 C)
Process Connection Type150RF
StandardsAPI 609, ASME B16.34
Valve Size5 inch, NPS 10 / DN 250, NPS 12 / DN 300, NPS 14 / DN 350, NPS 16 / DN 400, NPS 18 / DN 450, NPS 20 / DN 500, NPS 2-1/2 / DN 65, NPS 3 / DN 80, NPS 4 / DN 100, NPS 6 / DN 150, NPS 8 / DN 200

CROSBY
PRV H SERIES

crosby h series direct spring safety valves

Crosby Pressure Relief Valve

Crosby H Series Direct Spring Safety Valve

Direct spring safety valves that provide comprehensive overpressure protection for ASME Boiler and Pressure Vessel Code Section I, and Section VIII steam safety applications

Features
  • Extends Up-time
  • Reduces Maintenance Costs
  • Easily Adjustable for ASME Boiler and
Product Overview

The HE ISOFLEX incorporates our latest field proven seat tightness design which allows boilers to operate close to set pressure without leakage across the valve seat.

Material316 Stainless Steel, Aluminum Bronze, Buna-N, Cast Iron, Ductile Iron, Epdm Rubber, Teflon
Operating TemperatureUp to 350 F (180 C)
Process Connection Type150RF
StandardsAPI 609, ASME B16.34
Valve Size5 inch, NPS 10 / DN 250, NPS 12 / DN 300, NPS 14 / DN 350, NPS 16 / DN 400, NPS 18 / DN 450, NPS 20 / DN 500, NPS 2-1/2 / DN 65, NPS 3 / DN 80, NPS 4 / DN 100, NPS 6 / DN 150, NPS 8 / DN 200

CROSBY
PRV H SERIES

crosby h series direct spring safety valves

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