designed for higher volume or higher pressure applications

preco pump injection odorizer system

PRECO Pump Injection Odorizer System

The PRECO Pump Odorizer System has been designed for higher volume or higher pressure applications where a Bypass type odorization system is not suitable. Because of our galvanized coating and stainless steel fittings, all systems can be used outdoors. The PRECO Pump Injection System offers the high degree of reliability customers expect.

Principal of Operation

The operating principle of Pump Injection odorization is to use un-odorized supply gas to operate a liquid odorant injection pump in high pressure or no pressure differential situations. This is accomplished by tapping the transmission or feeder line for supply gas and controlling the operation of a solenoid valve to drive the metering pump, which injects liquid odorant at a drip tap on the feeder or distribution line. A signal from a flow computer or a meter interface switch is received by the PRECO Controller to actuate the solenoid valve that operates the injection pump. The controls can operate on 110 VAC or 12 VDC.

PRECO Controller

The PRECO Controller is a Solid State Controller. It receives signals proportional to flow, from the customer’s gas line instruments or meter interface switch. The system operates on 110 VAC or 12 VDC with PRECO Solar Assembly.

PRECO Pump Cabinet

The PRECO PUMP Cabinet is equipped with a Morgan HD Series Pump, a pneumatically operated timer that is automatically enabled in the event of power failure. “Swagelok” brand stainless steel fittings and tubing are used throughout the unit.

PRECO Pump Unit

The PRECO Pump Unit is available with Pump Cabinet, Day Tank, and Bulk Tank all mounted on one easy to install skid or Containment Tub. Day Tanks are designed to hold approximately one months supply of odorant. Bulk tanks are designed to hold one years supply of odorant.

  • Easy Installation
  • Hot Dipped Galvanized Frame Finish
  • Stainless Steel Fittings
  • Automatic Oscillamatic Pneumatic Back-up
  • 110 VAC standard or optional 12 VDC Solar
  • Bulk Tank sizes 20-1450 gallons
  • Day tank with liquid level sight gauge and rule
  • Morgan HD Series Pump
  • Pump Injection System Designed to meet Class 1, Div. 1, Group D

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