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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

Wire Float Level Sensor

The TG-EL-WF Wire Float Level Sensor is extremely accurate, easy to install, and ideal for low “Head Room” installation applications.  Suitable for all fuel oils, including No. 6.

 

Application

The TG-EL-WF Wire Float Level Sensor is extremely accurate, easy to install, and ideal for low “Head Room” installation applications. The float is connected via a flexible stainless steel cable to a multi-turn, take-up reel within the sensor head. The flexible cable and the flanged tank connection allow rapid installation, even in restricted spaces. An integral test mechanism permits high level alarm and full tank calibration checks without removing the sensor from the tank. Suitable for all fuel oils, including No. 6.

 

 

 

Overview

The TG-EL-WF Wire Float Level Sensor is extremely accurate, easy to install, and ideal for low “Head Room” installation applications.  The float is connected via a  flexible stainless steel cable to a multi-turn, take-up reel within the sensor head.  The flexible cable and the flanged tank  connection allow rapid installation, even in restricted spaces.  An integral test mechanism permits high level alarm and full tank calibration checks without removing the sensor from the tank.  Suitable for all fuel oils, including No. 6.

 

  • Provides Accurate Tank Level Monitoring
  • Only 14″ Clearance Required Between The Flange and Overhead Obstructions
  • Suitable For All Fuel Oils, Including No. 6

 

Features

Operation: Wire Float

 

Float Test Mechanism: External

 

Enclosure: Aluminum, Submersible, NEMA 4

 

Liquid Depth: WF-12- 84″ – 145″, WF-7 – 36″ – 84″

 

Accuracy: +/- 0.2% FS for model WF-12, +/- 0.3% FS for model WF-7

 

Sensor Cable: 3 Wire, Shielded, Suitable for Direct Burial or Conduit Installation, Maximum 800 Feet

 

Splice Kit: Probe Type

 

Tank Pressure: 5 psig Maximum

 

Fluid Temperature: 180° F Maximum

 

Sensor Head Temp: -20° to 120° F Maximum

 

Tank Contents: All Oils (No. 1 thru No. 6) and Non-Corrosive Liquids

 

Wetted Parts: Aluminum, Nylon, Buna N, Stainless Steel

 

Float Clearance: 6 ¾” Radius Around Vertical Centerline

 

Mounting: 4″, 125 lb. Flat Faced Flange

 

Specification

Provide a float type level sensor to provide accurate level monitoring that is unaffected by changes in the specific gravity of the tank liquid, and is suitable for use with non-corrosive fluids and fuels up to and including No. 6 fuel oil.  The level sensor shall consist of a NEMA 6P rated, ¼” cast aluminum head, connected to a float assembly by a flexible stainless steel cable.  The sensor head assembly shall mount to the tank through a standard 4″ 125/150 lb. flat face flange opening, with standard bolt pattern and must be capable of operating in a submerged manhole environment without damage.  The unit shall be capable of easy installation and maintenance with only 14″ of clearance between the flange and any overhead obstructions.  The sensors operation shall be unaffected by internal tank obstructions located outside of a 14″ diameter cylinder extending from the top of the tank to the bottom, and centered on sensor’s mount.  Tank gauge calibration shall be possible at any tank fluid level (empty, part full or full).  The sensor shall include an external test mechanism to allow overfill alarm and full tank calibration checks without removal of the sensor from the tank.  Tests that electronically simulate a high tank level, instead of physically moving the float, are not acceptable.  The level sensor shall be Preferred Instruments, Danbury, CT, Model TG-EL-WF.