Zone 2
Explosive gas atmosphere unlikely to occur and, if it does, only for a short period
Zone 22
Explosive dust atmosphere unlikely to occur and, if it does, only for a short period
# General
Product type: Type Z / Ex pzc purge and pressurisation system
Brand: Pepperl+Fuchs
Series: Bebco EPS 7500, 5500
Type of protection: Type Z, Ex pzc
Area: Class I or II, Div. 2 and Zone 2/22 → non-hazardous
Atmosphere: gas and dust
Max enclosure volume: 12.7 m³ (450 ft³) (7500)
Protective gas: compressed air or inert gas, 40 µm filter, oil-free (7500)
Supply pressure: 1.4–8.2 bar (20–120 psig) (7500)
7500 enclosure pressure: 0–12.9 mbar (0–5" wc)
Vents: EPV-7500, EPV-5500 in aluminium (AA) or with stainless steel cap (SS)
5500 cable entries: PSC/PBC 3 x M20 glands, PSH 3 x 1/2" NPTF entries, LSC/LBC 3 x M12 glands, PNO/LNO no glands
# Certifications
7500: UL, cULus, IECEx, ATEX, CCC; DEMKO 18 ATEX 2025X
7500 marking: 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
7500 cULus: Class I Div. 2 Groups A, B, C, D; Class II Div. 2 Groups F, G
5500: DEMKO 14 ATEX 1282X, IECEx UL 14.0019X, cULus
5500 marking: II 3 (3) G Ex ic ec nC [ic Gc] [pzc Gc] IIC T4 Gc
# Electrical
7500 supply: 90–250 V AC, 50–60 Hz; 20–30 V DC
7500 outputs: K1 enclosure and K2 alarm contacts 5 A at 250 V AC / 30 V DC; SV1 solenoid 0.5 A
5500 supply: 100–240 V AC or 20–30 V DC
Manifolds: 5500 at 24 V DC, 120 V AC, 230 V AC; 7500-MAN-BK at 115 V AC (T4), 230 V AC (T6), 24 V DC (T4); 7500-MAN-MV-01 manual
# Mechanical
7500 housing: A380, A356 or 6061-T6 aluminium, Type 4X / IP66
5500 housing: 316 stainless steel, Type 4X / IP66
7500 temperature: -40 to +50 °C (T6), -40 to +65 °C (T5), -40 to +70 °C (T4)
5500 temperature: -20 to +60 °C (T4)
7500 unit mass: approx. 0.71 kg
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