Fuel Tank Alarms

Fuel Tank Alarm Systems and Overfill Prevention Devices

Fuel tank alarms and overfill prevention valves provide the site owner with greater knowledge about the status of their tank contents by warning them of a high/low fuel level, overfill or leaking bund. A fuel tank alarm is a standard piece of equipment and makes your system compliant with the oil storage regulations.

Fuel Tank Alarms

Mains Operated - ATEX Tank Alarm

Mains Operated - Remote Warning Device

Battery Operated - ATEX Tank Alarm

ATEX approved tank alarm

 

  • Each fuel tank alarm comes with a 230V alarm box, tank float switch c/w flat plate/gasket for fitting to any tank & 1½" BSPP cap for steel tanks.
  • Additional relays on request.
  • Volt free contacts for each channel (1 relay output per channel). Can be used to switch secondary equipment, sounders etc.
  • Our float switches are universal & can be used to detect an overfill/high level, bunds or low level alarm (Use stainless steel float switch with AdBlue®).

Battery Operated - ATEX Tank Alarm

Mains Operated - Remote Warning Device

Battery Operated - ATEX Tank Alarm

ATEX approved battery operated tank alarm

 

  • Each fuel tank alarm comes with an alarm box powered via internal batteries (batteries supplied, type D x 4), tank float switch c/w flat plate/gasket for fitting to any tank & 1½" BSPP cap for steel tanks.
  • Includes additional relays.
  • Volt free contacts for each channel (1 relay output per channel). Can be used to switch secondary equipment, sounders etc.
  • No xenon beacon.
  • Battery life depends on number of test & alarm incidents.
  • Our float switches are universal & can be used to detect an overfill/high level, bunds or low level alarm (Use stainless steel float switch with AdBlue®).

Mains Operated - Remote Warning Device

Mains Operated - Remote Warning Device

Battery Operated - Compact High Level Alarm

Fuel Tank Remote Warning Alarm

 

  • Ideal to connect to the relay version of our tank alarm, or wherever you need a remote warning device.
  • Weatherproof enclosure.
  • High visibility, flashing xenon beacon.
  • High power alarm sounder, 90dB at 1m.
  • Mute button.
  • Easy wall mounting bracket.
  • 3 channels allow for connection to multiple alarms

Battery Operated - Compact High Level Alarm

Battery Operated - Compact Bund or High Level Alarm for Adblue

Battery Operated - Compact High Level Alarm

Compact High Level Fuel Tank Alarm

 

Unlike most compact alarms on the market today it’s a constant monitoring alarm & not a “push to test” type.


  • Suitable with B100, Biofuel, Diesel, Heating Oil, Kerosene, Oil & Petrol.
  •  For steel tanks.
  • Probe has 1½" BSPP cap.
  • Battery operated (Battery supplied, type PP3 x1).
  • Weatherproof to IP55.
  • Compact design for use in confined spaces, 90mm square.
  • High power alarm sounder 97dB at 1m.
  • - Flashing light on top of unit.
  • Mute button stops the sounder, light still flashes.
  • Float switch supplied with 5m cable.
  • 2 year battery life, if tested weekly with no alarms

Battery Operated - Compact Bund Alarm

Battery Operated - Compact Bund or High Level Alarm for Adblue

Battery Operated - Compact Bund or High Level Alarm for Adblue

Compact Tank Bund Alarm

 

Unlike most compact alarms on the market today it’s a constant monitoring alarm & not a “push to test” type.


  • Suitable with B100, Biofuel, Diesel, Heating Oil, Kerosene, Oil & Petrol. 
  • For steel tanks.
  • Probe has 1½" BSPP cap.
  • Battery operated (Battery supplied, type PP3 x1).
  • Weatherproof to IP55.
  • Compact design for use in confined spaces, 90mm square.
  • High power alarm sounder 97dB at 1m.
  • Flashing light on top of unit.
  • Mute button stops the sounder, light still flashes.
  • Float switch supplied with 5m cable.
  • 2 year battery life, if tested weekly with no alarms.

Battery Operated - Compact Bund or High Level Alarm for Adblue

Battery Operated - Compact Bund or High Level Alarm for Adblue

Battery Operated - Compact Bund or High Level Alarm for Adblue

Adblue Tank Alarm

 

Unlike most compact fuel tank alarm on the market today it’s a constant monitoring alarm & not a “push to test” type.


  • Suitable with AdBlue® & Water.
  • Battery operated (Battery supplied, type PP3 x1).
  • Weatherproof to IP55.
  • Compact design for use in confined spaces, 90mm square.
  • High power alarm sounder 97dB at 1m.
  • Flashing light on top of unit.
  • Mute button stops the sounder, light still flashes.
  • Float switch supplied with 5m cable.
  • 2 year battery life, if tested weekly with no alarms.
  • AdBlue® is a trademark of the Verband der Automobilindustrie e.V. (VDA). http://www.vda.deC

Overfill Prevention Devices

2" Overfill Prevention Valve - Steel Tanks

2" Overfill Prevention Valve - Plastic Tanks

2" Overfill Prevention Valve - Plastic Tanks

Overfill Prevention Device

 

  • Suitable with clean diesel, biodiesel B30 or heating oil.
  • For steel tanks. Screws into a 2” BSPP full socket.
  • Helps prevent above ground storage tanks being overfilled.
  • Aluminium body. Only 150mm of tank space lost.
  • Each valve is tested to EN13616:2004.

2" Overfill Prevention Valve - Plastic Tanks

2" Overfill Prevention Valve - Plastic Tanks

2" Overfill Prevention Valve - Plastic Tanks

Overfill Valve

 

  • Suitable with clean diesel, biodiesel B30 or heating oil.
  • For plastic tanks. Fits in place of the 2” BSPP fill nipple.
  • Helps prevent above ground storage tanks being overfilled.
  • Aluminium body. Only 150mm of tank space lost.
  • Each valve is tested to EN13616:2004.

3" Overfill Prevention Valve - Steel Tanks

2" Overfill Prevention Valve - Plastic Tanks

3" Overfill Prevention Valve - Steel Tanks

3" Overfill Prevention

 

  • Suitable with clean diesel, biodiesel B30 or heating oil.
  • Helps prevent above ground storage tanks being overfilled.
  • Only 75mm of tank space lost.
  • For a 3” fill pipe, fits into a 3” F BSPP full socket.
  • Heavy duty gun metal body. Float rises & stops delivery flow..

2" Ball Float Vent Device

Risbridger Overfill Prevention Range

3" Overfill Prevention Valve - Steel Tanks

Ball Float Overfill Valve

 

  • Simple float valve fitting designed to fit into the tank vent.
  • Fits inside the tank below the tank man lid.
  • If the tank fills the ball float rises closing off the vent.
  • Helps to prevent tanks being overfilled.
  • 2” M BSPT x 240mm long

4" EMCO Overfill Prevention Valve

Risbridger Overfill Prevention Range

Risbridger Overfill Prevention Range

Emco 4" Overfill Valve


  •  The EMCO A1100 Overfill Valve is not recommended for tanks under 6.5’ in diameter.
  • Maximum burial depth assumes 95% shut-off and 6” clearance between top of drop tube and inside bottom of containment manhole lid. 
  • Body: Aluminum
  • Floats: HDPE
  • Seals: Viton®

Risbridger Overfill Prevention Range

Risbridger Overfill Prevention Range

Risbridger Overfill Prevention Range

Risbridger Overfill Valves

 

  • Fail-safe valves
  • Testable in Situ during a normal fuel delivery
  • Not beaten by low flow rates
  • Not dependent on high flow for full closure


Flanged valves suitable for our RIS-FLANGE™ Tanklid are available as well as a range of valves that suit traditional threaded port tank lids.

Downloads

ATEX Tank Alarm (pdf)

Download

Remote Warning Device (pdf)

Download

Compact - High Level Alarm (pdf)

Download

Compact - Bund Alarm (pdf)

Download

2 inch Overfill Valve (pdf)

Download

3 inch Overfill Valve (pdf)

Download

Emco - A1100 Guardian Overfill Prevention Valve (pdf)

Download

2 inch Risbridger Overfill Valve (pdf)

Download

3 inch Risbridger Overfill Valve (pdf)

Download
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