This European Standard specifies requirements and the corresponding test/assessment methods applicable to overfill prevention devices without closure device.
The overfill prevention device is usually composed of
-  sensor,
-  electric-mechanical interface.
These overfill prevention devices intended to be used in/with underground or above ground, non-pressurised, metallic or non-metallic, static tanks designed for liquid fuels.
NOTE   In further text, for liquid fuels the term liquid is used.

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This European Standard contains requirements, test and assessment methods, marking, labelling and packaging applicable to overfill prevention devices with closure device. The devices are usually composed by
- sensor,
- evaluation device,
- closure device.
Overfill prevention devices intended to be used in/with underground and/or above ground, non-pressurized, static tanks designed for liquid fuels.
NOTE Liquid fuel means liquids for internal combustion engines, heating/cooling boilers and generators.

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This document contains requirements, test and assessment methods, marking, labelling and packaging applicable to overfill prevention devices with closure device. The devices are usually composed by:
-   sensor;
-   evaluation device;
-   closure device.
Overfill prevention devices intended to be used in/with underground and/or above ground, non-pressurized, static tanks designed for liquid fuels.
NOTE   Liquid fuel means liquids for internal combustion engines, heating/cooling boilers and generators.

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This standard specifies the minimum performance and construction requirements for various types of overfill prevention devices which are limited to static tanks of shop fabricated manufacture both metallic and non metallic. It covers devices for underground tanks and also above ground tanks with a maximum height of 5 m.
To cover the different types of overfill prevention devices, two types have been developed:
   Type A: An overfill prevention device where the operation does not depend on the road tank vehicle or supply system;
   Type B: An overfill prevention device where the operation depends on the road tank vehicle or the supply system.
This standard applies to overfill prevention devices for liquid petroleum fuels, having a flash point up to but not exceeding 100 °C. The requirements apply to overfill prevention devices suitable for use at ambient temperatures in the range from –25 °C to +60 °C, and subject to normal operational pressure variations.
Additional measures may be required for use at temperatures outside this range and are the subject of negotiation between the manufacturer and its client.

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2009-05-12 EMA: CEN/TC 221 disbanded by resolution BT C88/2008. The work of CEN/TC 221/SC 2 is transfered to CEN/TC 393.
EC - Annex ZA in line with latest requirements

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This standard specifies the minimum performance and construction requirements for various types of overfill prevention devices which are limited to static tanks of shop fabricated manufacture both metallic and non metallic. It covers devices for underground tanks and also above ground tanks with a maximum height of 5 m.
To cover the different types of overfill prevention devices, two types have been developed:
¾   Type A: An overfill prevention device where the operation does not depend on the road tank vehicle or supply system;
¾   Type B: An overfill prevention device where the operation depends on the road tank vehicle or the supply system.
This standard applies to overfill prevention devices for liquid petroleum fuels, having a flash point up to but not exceeding 100 °C. The requirements apply to overfill prevention devices suitable for use at ambient temperatures in the range from -25°C to +60°C, and subject to normal operational pressure variations.

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