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Surge Protection for Oil Pipelines

Surge Protection for Oil Pipelines
Surge Protection for Oil Pipelines
Product Code : PIIIM-275
Product Description
HGS100 Ex - Separating high power gas discharge tube HGS100 Ex for use in  hazards areas. It is intended for equipotential bonding of the installation parts of buildings or technological entities which are not interconnected operationally.

In case of p.d. (potential difference) origin between those parts, the high power gas discharge tube ignites and interconnects both parts for a transient time (typical value of internal resistance at start up of HGS100 Ex is 0,001÷ 0,002Ω). Recommended installation is inside of the buildings, outdoors, in the damp rooms as well as in the sub terraneous areas.


The natural gas pipeline infrastructure, including transmission lines, distribution lines, processing plants, compressions stations, gate stations, and underground storage facilities, is susceptible to Iightning strikes. This infrastructure encompasses approximately 310,000 miles of natural gas transmission pipeline, 1.9 million miles of natural gas distribution pipelines approximately 3,000 compression stations, and the associated electronic supervisory control and data acquisition (SCADA) systems used to control the infrastructure.

This vast size provides a high probability that there will be Iightening strikes on or near the natural gas infrastructure on a recurring basis. In addition to the substantial size of the present world pipeline infrastructure, it is estimated that the combined global growth of the pipeline infrastructure under construction or in the planning cycle for 2012 will be 118,000 miles. The two major areas of growth are the Asia Pacific Region, (34,295 miles) and the North America Region (31, 951 miles). 

The entire piping system must be treated not only against lightning strikes, but also equipped with isolating gas discharge tube for equipotential bonding (HGS100 Ex) at all technological facilities of the system.

Type HGS100 Ex EC-Type examination certificate II 2G Ex mb II T6 Gb, II 2D Ex mb IIIC T80°C Db Approvals, certification FTZU 04 ATEX 0255X DC-Sparkover voltage 400 ÷ 750 V DC Max. discharge current (8/20) Imax 100 kA Nominal discharge current (8/20) In 75 kA Max. lightning impulse current (10/350) Iimp 100 kA     - charge Q 50 As     - specific energy W/R 2500 kJ/ Voltage protection level at Iimp UP < 1 kV Insulation resistance at 100 V DC Ri < 1 G Capacitance at 1 MHz C 5 pF Casing corundum/binary resin with an external steel coat, resistant to climatic effects Protection type IP67 Operating temperature range J -40°C ... +90 °C Lifetime min. 100.000 h Weight m 550 g Article number 10 201


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