Explosion-proof fire pressure switch model: FXPA-PA-ZSJY
1. Overview Explosion-proof fire pressure switch is specially provided for flammable and explosive places such as petroleum, chemical industry, military industry, oil depot, automobile manufacturing, port, pharmaceuticals, etc. This pressure switch is a water pressure control switch. The pressure switch contact is in a normally open state, and the contact is closed when the pressure switch is operated by water pressure, and the electrical contact signal is given in the energized state. When the water pressure disappears, the contacts are disconnected and the electrical contact signal disappears.
Explosion-proof grade Exdâ…¡BT6,
The explosion-proof performance of Exdâ…¡CT6 complies with the relevant provisions of the national standard GB3836-2000 "Explosion-proof Electrical Equipment for Explosive Environments", and has passed the inspection by a national designated inspection unit, and has obtained an explosion-proof certificate.
2. Main technical parameters:
1. Explosion-proof grade: Exdâ…¡BT6, Exdâ…¡CT6
2. Ambient temperature: -30 ℃ ~ ＋ 65 ℃
3. Relative temperature: ≤95%
4. Atmospheric pressure: 86 ~ 110Kpa
5. Switching capacity: normally open contact DC24V ～ 0.75A
6. Operating pressure range: 0.035 ～ 1.2MPa
7. Maximum water pressure: 2.4MPa
8. Shell protection grade: IP54, IP65
9. Dimensions: 100 × 113 × 92mm
10. Weight: 0.9kg
Three, matters needing attention
1. It is strictly forbidden to disassemble lively in flammable and explosive places.
2. Do not damage the explosion-proof surface during installation and keep it clean. The fastening screws on the explosion-proof surface should be tightened evenly. Take care that the explosion-proof surface does not contain wires or other foreign objects.
3. The detection bus should be laid separately from the strong electromagnetic field conductor. If it cannot be avoided, the detection bus cable should be an armored cable with a shielded wire and ensure that the shielded wire is well grounded.
4. Long-term use should regularly check whether the performance of the alarm siren is intact, such as failure or damage should be repaired by professionals
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