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Preferred Utilities

Preferred Utilities engineers and fabricates fuel oil handling systems for diesel generators and dual-fuel fired boilers for mission critical facilities such as data centers, hospitals, and emergency response facilities. Our engineers specialize in mission critical fuel oil system design so they are current with the latest industry practices and fire protection codes. In addition, Preferred Utilities offers a wide variety of fuel oil system components designed to meet the unique requirements of our fuel oil customers. Preferred Utilities' industrial factory is located in Danbury, CT

Tank Gauge and Leak Detection System

The Model TG-EL-D3 Tank Gauge and Leak Detection System is a remote reading, microprocessor-based tank gauge complete with an integral audible and visual alarm system for leak detection, tank overfill and low liquid level alarm.  Designed for use with single wall, double wall, vaulted fuel oil storage tanks, and applications to all grades of fuel oil, including No. 6

 

Application

The Preferred Model TG-EL-D3 tank gauge is designed to monitor one tank only. Preferred also offers the Fuel Sentry TG-EL-D4A tank gauge for two tank applications, and the TG-EL-D5 tank gauge for custom multi-tank applications. The Model TG-EL-D3 Tank Gauge and Leak Detection System is a remote reading, microprocessor-based tank gauge complete with an integral audible and visual alarm system for leak detection, tank overfill and low liquid level alarm. Designed for use with single wall, double wall and vaulted fuel oil storage tanks and for application to all grades of fuel oil, including No. 6. The TG-EL-D3 System is Factory Mutual Approved and complies with EPA regulations for leak detection and overfill alarm (Federal Register 9/23/88). The System consists of an Indicating Instrument, Level Sensor and Leak Sensors for up to three leak containment areas.

 

Overview

Tank Gauge and Leak-Detection

 

  • Accepts Model TG-EL-WF Wire Float
  • Accepts Up To 3 HD-A1 Leak Detectors

 

Major Capabilities

 

  • Displays Product Inventory In Actual Gallons and Liquid Depth
  • English Language Alarm Displays
  • Leak Monitoring of Steel and Fiberglass Double Wall Tanks, Double Wall Piping, Tank Piping Connection Manholes, and Vaulted Tank Containment Areas
  • Oil/Water Leak Discrimination Displays
  • Overfill Alarm, Leak Detector and Level Sensor Test Capability
  • Alarm Horn
  • Building Automation System (BAS) Relay Outputs
  • Volumetric 4-20 mAdc Outputs

 

Features

  • Accepts Model TG-EL-WF Wire Float or TG-EL-LF Lever Float Level Sensors
  • Accepts Up To 3 HD-A1 Leak Detectors
  • Displays Product Inventory In Both Actual Gallons and Liquid Depth
  • Oil and Water Leak Discrimination Displays
  • Leak Monitoring of Both Steel and Fiberglass Double Wall Tanks, Double Wall Piping, Tank Piping Connection Manholes, and Vaulted Tank Containment Areas
  • Overfill Alarm, Leak Detector and Level Sensor Test Capability
  • Building Automation System (BAS) Alarm Relay Outputs
  • Volumetric 4-20 mAdc Output
  • FM Approved and Complies With EPA Regulation For Leak Detection and Overfill Alarm

 

Specification

Provide and install for each main storage tank, a remote, microprocessor-based tank gauging, leak monitoring and overfill alarm system. The complete system including a microprocessor-based central processing and indicating instrument, liquid level sensor, leak detectors and overfill alarm station shall be supplied by one Original Equipment Manufacturer (OEM). This is to assure the highest standards of product quality and system integration capabilities for the customer. The entire system and all components shall be intrinsically safe as approved by Factory Mutual for Class 1, Div. 1, Group C & D hazardous locations. The system shall be a Preferred Utilities Mfg Corp., Danbury, CT, Model TG-EL-D3-ARF.

The instrument shall have a die-cast aluminum (0.2” thick min.) housing containing all calibration adjustments. The system shall provide a 4-20 mADC output proportional to tank content in gallons and isolated alarm relay contacts for leak detection, automatically silenced overfill alarm and common alarm (leak, overfill, and low level). The control panel shall also have the following features: LED display shall have the capability to display (without scrolling) up to 99,990 gallons of inventory. It shall display the tank content continuously. Additionally it shall display all alarms in English language. Dedicated pushbutton for instantaneous display of the height of liquid in tank in inches. Common audible alarm with associated alarm silence pushbutton. Data recall pushbutton shall provide instantaneous display of tank content at the time of leak alarm condition. Overfill alarm circuit test pushbutton to provide instantaneous proving of audible and visual alarm circuitry associated with instrument overfill alarm contact. The central processing and indicating unit shall be Preferred Utilities Mfg Corp., Danbury, CT, Model TG-EL-D3-ARF.