نام محصول:
اعلام کننده زنگ پارگی دیسک IRL
نام انگلیسی:
Rupture disc alarm annunciator IRL
برند:
Donadon SDD
مشخصات:
Options and accessories
for rupture disc
توضیحات:
DonadonSDD IRL rupture sensors are simple and efficient instruments for recording the bursting of a rupture disc.
The detector is installed between the container on the discharge side and the flange downstream from the safety device replacing the traditional seal. The alarm indicator cables are connected to the plant safety system with an intrinsically safe barrier that conforms to the electrical characteristics of the sensor (max voltage 24V DC and max current 50 mA) and the hazardous area classification.
The detector is composed of an electric sensor simply mounted on a target made up of:
a stainless steel ring
a PTFE membrane
seals: standard aramid fibre available also in graphite, PTFE
When the disc bursts, the copper circuit of the IRL alarm system opens and as a result of this the flow of current is cut off, allowing the connected equipment to signal that the disc has opened.
The IRL sensor also detects any rupture disc leaks thanks to the non-perforated membrane.
The IRL sensor is classified as “basic electrical material” and is certified according to European Directive 94/9/EC (ATEX). Zone installation depends on barrier type:
Ex ia barrier –> zone 0; 20; 1; 21; 2; 22
Ex ib barrier –> zone 1; 21; 2; 22
Installation must be according to standard EN 60079-14.
Operating temperature – From -20°C up to +265°C (depending on the seal used)
Encapsulating membrane – Polyimide (Kapton®)
Printed Circuit – Copper
Max supply voltage – Copper
Max supply current – 50 mA
Cable – Standard, 2 m
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