Zona 2
Atmosfera esplosiva per gas improbabile e di breve durata
Zona 22
Atmosfera esplosiva per polveri improbabile e di breve durata
# Generale
Tipo prodotto: Sistema di purge e pressurizzazione Type Z / Ex pzc
Marca: Pepperl+Fuchs
Serie: Bebco EPS 7500, 5500
Tipo di protezione: Type Z, Ex pzc
Area: Classe I o II, Div. 2 e Zona 2/22 → non pericolosa
Atmosfera: gas e polveri
Volume max custodia: 12,7 m³ (450 ft³) (7500)
Gas di protezione: aria compressa o gas inerte, filtro 40 µm, privo di olio (7500)
Pressione di alimentazione: 1,4…8,2 bar (20…120 psig) (7500)
Pressione custodia 7500: 0…12,9 mbar (0…5" c.a.)
Sfiati: EPV-7500, EPV-5500 in alluminio (AA) o con cappello inox (SS)
Ingressi cavi 5500: PSC/PBC 3 pressacavi M20, PSH 3 ingressi 1/2" NPTF, LSC/LBC 3 pressacavi M12, PNO/LNO senza pressacavi
# Certificazioni
7500: UL, cULus, IECEx, ATEX, CCC; DEMKO 18 ATEX 2025X
Marcatura 7500: II 3 G Ex ec mc nC [pzc Gc] IIC T6…T4 Gc; II 3 D Ex mc tc [pzc Dc] IIIC T60 °C…T80 °C Dc
cULus 7500: Classe I Div. 2 gruppi A, B, C, D; Classe II Div. 2 gruppi F, G
5500: DEMKO 14 ATEX 1282X, IECEx UL 14.0019X, cULus
Marcatura 5500: II 3 (3) G Ex ic ec nC [ic Gc] [pzc Gc] IIC T4 Gc
# Elettriche
Alimentazione 7500: 90…250 V AC, 50…60 Hz; 20…30 V DC
Uscite 7500: K1 contatti custodia e K2 allarme 5 A a 250 V AC / 30 V DC; SV1 elettrovalvola 0,5 A
Alimentazione 5500: 100…240 V AC o 20…30 V DC
Manifold: 5500 a 24 V DC, 120 V AC, 230 V AC; 7500-MAN-BK a 115 V AC (T4), 230 V AC (T6), 24 V DC (T4); 7500-MAN-MV-01 manuale
# Meccaniche
Custodia 7500: alluminio A380, A356 o 6061-T6, Type 4X / IP66
Custodia 5500: inox 316, Type 4X / IP66
Temperatura 7500: −40…+50 °C (T6), −40…+65 °C (T5), −40…+70 °C (T4)
Temperatura 5500: −20…+60 °C (T4)
Massa unità 7500: circa 0,71 kg
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