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The HPR-2 Series heated pressure regulator is designed to supply heat to samples entering instrumentation systems. It can be used to preheat liquids, to prevent condensation of gases or to vaporize liquids prior to gas analysis. The modular design of the HPR-2 consists of heat exchanger and pressure control sections. The pressure control section is patterned after the time-proven design of the PR-1 pressure reducing regulator and provides the same excellent outlet pressure stability. The heat exchanger section is made up of a body and heat exchange element. The heat exchange element uses GO Regulator's unique spiral-wrapped screen as the heat exchanger surface. This screen has up to 100 square inches of heat transfer area and precise design forces all sample flow to pass through the element.
Unit of Measure


Body Material

N/A 316L Stainless Steel

Seat Material

N/A Polyimide


N/A 380° [email protected] psig


N/A 1/8" FNPT


N/A 1/4" Female NPT

Max. Operating Pressure

N/A 3600 psig

Heater Wattage

N/A Steam

Max. Temperature

N/A 193 ºC380 ºF

Outlet Range

N/A 0 to 100 psig

Flow Coefficient (Cv)

N/A 0.20

Heater Block Porting

N/A Standard

Heater Block Type

N/A Steam

Port Configuration


Cap Assembly

N/A Tamper-proof, standard, stainless steal

Surface Finish of Diaphragm Cavity

N/A < 25 Ra, Standard


N/A Analytical process sample conditioning systems:
  • Petro chemical refineries
  • Chemical production facilities
  • Pilot plants (chemical & petro chemical)
  • LNG loading and off-loading points
  • Natural gas pipeline sampling
  • Features & Benefits

  • Optional Hastelloy® C and Monel®
  • Electropolished body with better than 25 Ra finishin diaphragm cavity for an optimal sealing surface
  • Bubble-tight shutoff
  • Modular pressure control and heat exchangerassemblies allow for easy maintenance
  • Unique spiral-wrapped heat exchange elementprovides up to 100 square inches of heat transfer area.

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    1533 Gehman Road | Harleysville, PA 19438 | Phone: 267-933-6300 | Fax: 267-933-6305 | Toll Free: 800-645-6733 | Email: [email protected]
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