Model 8320 Precision Pressure Regulator

8320 Pressure Regulator Conventional regulators exhibit significant deviation from setpoint when pressure and temperature effects are introduced to the carrier gas stream. Parker Precision Fluidics new Model 8320 Regulator controls these effects to within ±0.50 PSIG, significantly reducing system testing and field commissioning cycle time. 8320 is an excellent drop-in replacement choice for obsolete carrier gas regulators.

Typical Applications
  • Process Gas Chromatography — Helium or Hydrogen Carrier Gas
  • Environmental Analyzers
Features
  • Maintains carrier gas pressure ±0.5 psig of set-point within 80°F ambient temperature
  • Modular configuration provides two inlet and outlet ports
  • 8320 regulator reduces system testing and minimizes cycle time
  • High resolution adjustment stem
  • Cleaned for Analytical Service Use
  • Stock a single part to cover a broad range of applications for multiple flow patterns
  • RoHS and REACH compliant


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PARKER PRESSURE REGULATOR
Parker Model 8320

Conventional regulators exhibit significant deviation from setpoint when pressure and temperature effects are introduced to the carrier gas stream.

Parker Precision Fluidics new Model 8320 Regulator controls these effects to within ±0.50 PSIG, significantly reducing system testing and field commissioning cycle time.

8320 is an excellent drop-in replacement choice for obsolete carrier gas regulators.

Performance Characteristics
Supply Pressure Effect:
25 psi supply increase < 1 psig (0.69 barg change ≤ 0.69 barg)
Ambient Temperature Effect:
Less than 0.004 psi per degree F
Flow Regulation:
From 6 sccm to 100 sccm helium, outlet pressure will not change more than 0.2 psig (0.137 barg)
Regulating Range:
1 - 100 psig (‑0 - 6.89 barg)
Note: Please consult factory for non-standard options.

Physical Properties
Media:
Helium, Hydrogen and other Non-corrosive clean dry gas
Width:
3.0" square (76.20 mm)
Height:
4.5" maximum (114.3 mm)
Weight:
1.2 lb (0.54 kg) (typical)
Porting:
(2) 1/8" compression fittings,
(2) inlet and outlet plugs (field removable and relocatable)

Wetted Materials
Body: 6061 Al, clear anodized
Seat:
Nickel Plated Brass, TFE, FKM
Diaphragm:
300 Series Stainless Steel
Flow Plugs:
300 Series Stainless Steel
Fittings: Brass
O-Rings: FKM
Lubricant: Krytox
Filter Element:
Sintered Stainless Steel
(100 micron)

Performance Ratings
Ratings:
Max inlet pressure:
250 psig (17.3 barg)
Max working temperature:
140°F (60°C)
Pressure Drop:
Minimum: 5 psig (0.34 barg)

Non-Wetted Materials
Range Spring:
Nickel Iron Alloy (AMS 5221)
Cover:
Powder Coated Nickel Plated Steel
Spring Seat: Brass
Cover Bolts: Stainless Steel
Adjustment Bushing:
Nickel Plated Bearing Bronze
Adjustment Stem and Jam Nut:
300 Series Stainless Steel

Download the Regulator catalog on this page for more details.

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