Advanced Specialty Gas Equipment

Line Regulator Model AG3820 LINE REGULATORS
Models AG3820, AG3830

Ultra High Purity, High Flow Line Regulators

Capable of flow rates up to 1500 scfh at inlet pressures of 500 psig, these line regulators are ideal for high flow delivery systems requiring high leak integrity and guaranteed gas purity levels. Model AG3820 is suitable for non-corrosive service, while Model AG3830 is designed for corrosive gas applications.




Line Regulator Model AG3830 with Optional Mounting PlateStandard Features
  • Stainless Steel Diaphragm minimizes diffusion of air into regulator and eliminates "off gassing" associated with elastomeric diaphragms, thus maintaining gas purity.
  • High Purity Regulator Design permits vacuum purging of regulator.
  • In-line Porting permits direct installation of regulator in piping system.
  • 21?2" Gauge reads easily for more precise settings.
  • Threaded Holes in Rear of Regulator permit front panel mounting.
Optional Features
  • Mounting Ring permits regulator to be panel mounted (AG3830 Model only)
  • Compression Fittings installed in inlet and outlet ports allow connection to 1?4" tubing.
  • Regulator mounting plate allows for easy mounting of regulator to wall or panel.
  • Internal (Inboard) Helium Leak Test and Test Report determines inboard leak rate of gas from regulator to atmosphere; test report certifies leak rate of less than 2 x 10-8 sccs air equivalent.
  • External (Outboard) Helium Leak Test and Test Report determines outboard leak rate of gas from regulator to atmosphere; test report certifies leak rate of less than 5 x 10-7 sccs air equivalent.
Maximum Inlet Pressure: 3000 psig

Delivery Pressure Range

Delivery Pressure Gauge

Gauge Size: 21?2" Dial

Operating Temperature Range: -40°F to 140°F

Flow Coefficient: AG3820: Cv = 0.4
  AG3830: Cv = 0.6

Inlet and Outlet Connections: 1?4" NPT  female

Approximate Weight: 4 lbs


Materials of Construction
Body: AG3820: Brass Bar Stock
  AG3830: Type 316 SS Bar Stock
Gauges: AG3820: Brass
 AG3830: Type 316 Stn. Stl.
Bonnet: AG3820: Brass
  AG3830: 300 Series Stn. Stl.
Other Metal Parts Exposed to Gas:
  AG3820: Brass & Stn. Stl.
  AG3830: Type 316 Stn. Stl.
Seats: AG3820: PTFE
  AG3830: PCTFE
Diaphragm: AG3820: Type 302 Stn. Stl.
  AG3830: Type 316 Stn. Stl.
Seals: PTFE

Optional Equipment

Equipment Part No.
Panel Mounting Ring for Model AG3830* PM3803
Regulator Mounting Plate and Hardware* RP2
Inboard Helium Leak Test and Test Report HT1000
Outboard Helium Leak Test and Test Report HT1001
Compression Fittings (two required)*  
 1?4" compression for Model AG3820 SG6704
 1?4" compression for Model AG3830 SG6714
* If selected, these items are not installed on the regulator. They are shipped as separate items.

Table I

Part Number     Delivery Pressure
Brass Stainless Steel   Range
Gauge (dual scale)
(psig) (bar)
AG3820-30 AG3830-30   4-30 0-60 0-4
AG3820-75 AG3830-75   6-75 0-100 0-7
AG3820-150 AG3830-150   10-150 0-200 0-14
      --------- AG3830-250   20-250 0-400 0-27
AG3820-300      ----------   20-300 0-400 0-27
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