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Model 420-Cylinder Mounted Regulator

Brand: JCS Industries

The JCS Industries Model 420-Cylinder Mounted Regulator is designed for years of safe and reliable service.

Incorporated into the robust design and machined front and back bodies, internal (Non-latching) switching mechanism, internal pressure relief vent and a non-metallic inlet valve assembly. 

The Model 420-C Vacuum Regulator can be either direct ton cylinder mounted or installed on multiple cylinder pressure headers.

The JCS Model 420-C operates as a pressure reducing valve to transfer gas under pressure to gas under vacuum within the chemical feed system.

Installed between the cylinder/container of the chosen gas and the Chemical Feeder Model 4200, the Model 420 will switch from one cylinder/container to the next one in line as soon as the gas in the first cylinder is depleted. 

An internal switchover valve is automatically initialized in the event of gas supply failure; the reduction of the vacuum will isolate the regulator diaphragm cavity from pressurized pipe work.
Features
  • Rate Range: 1 to 500 PPD 
  • Shuts off the gas supply in the event of vacuum failure 
  • Durable components 
  • Provides an indication of gas supply status 
  • Does not require an auxiliary pressure reducing valve 
  • Suitable for chlorine, sulfur dioxide or ammonia gas 
  • Unit includes an internal switchover valve 
  • Cylinder or yoke mounting capability
  • Low part count construction for low maintenance

Specifications

Range

  • 1 to 500 lbs Per Day

Chemical of Use

  • Cl2, SO₂, NH₃

Mounting Assemblies

  • 150 lb Cylinder or Yoke

Internal Switchover Valve

  • Yes

Connections

  • Vacuum to injector - 0.375” FNTP
  • Vent to outside - 0.375” FNPT

Overal Dimensions

  • 4.625” L x 5.125” W x 5.125” H

Weight

  • 6 lbs
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