Series 50-204 Automatic Changover System for Liquid Cl2, NH3, or SO2 

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Series 50-204 Automatic Changover System for
Liquid Cl2, NH3, or SO2

The Wallace&Tiernan®  Series 50-204 Automatic Switchoever System is designed to give uninterupted chlorine, sulfur dioxide or ammonia supply.

Automatic Changeover System
Wallace & Tiernan® Series 50-204 Automatic Changeover System is designed for use on ton container, tank cars and other large gas or liquid chlorine, ammonia or sulfur dioxide supplies. It provides automatic changeover to a fresh supply when the on-line supply runs out.  

The system’s two motorized ball valves are monitored and controlled from a single panel. They are ideal ahead of gas feeder-evaporator combinations; one system can supply up to 10 manifolded evaporators.

The system includes a control panel for wall mounting (an optional free standing module is available), two ball valves with actuators, a diaphragm-protected pressure switch, and two liquid line pressure relief systems.

Can be used for liquid ammonia or sulfur dioxide. Maximum capacity of the system is 100,000 pounds (45,400 kg) of liquid chlorine per 24 hrs.
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Features and Benefits

  • Simple, convenient, fully automatic
  • Flexible
  • Continuous supply
  • Comprehensive control panel
  • Meets code requirements
  • Reliable operation
  • Automatic changeover operation for uninterrupted chemical supply
  • Complete package, including controls, motorized valves and liquid line pressure relief systems
  • Convenient operator controls for supply management
  • Suitable for use with ton containers, tank cars and other large liquefied gas supplies

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Product Documentation

Series 50-204 Liquid/Gas Changeover

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