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The Type Z & Ex pzc purge and pressurization system is designed for use in potentially explosive environments, ensuring safe operation by maintaining a protective atmosphere within enclosures. This system must be used in conjunction with a compatible vent, making it suitable for a variety of industrial applications.
The Type Z & Ex pzc purge and pressurization system is engineered to provide a reliable solution for protecting electrical equipment in hazardous locations. This system is particularly effective for environments classified under Class I, II, Div. 2, and Zone 2/22, where the risk of explosion necessitates stringent safety measures. The unit features a robust and corrosion-resistant housing, ensuring durability in demanding conditions.
Equipped with a user-friendly touch screen display and LEDs, the system allows for easy visual indication and monitoring of operational status. It includes pre-set purge programs for simplified setup, facilitating quick deployment in various applications. Additionally, the automatic pressure compensation feature, along with integrated purge and pressurization valving, streamlines operation and enhances system performance. The manual valve option further ensures operational integrity without the need for electrical power, making it a versatile choice for industrial environments.
| Equipment architecture | max. enclosure size 450 ft3 (12.7 m3) For complete technical data, see the 7500 Control Unit and 7500-MAN-MV-01 datasheets |
| Degree of protection | Mounting to enclosure Type 4X / IP66 |
| Material | screws: AISI 316 (1.4401), 304, or 18-8 stainless steel housing: A380, A356, 6061-T6 aluminum casting mounting gasket: Bisco� HT-800 medium cellular silicone |
| IECEx approval | Ex ec nC [pzc] IIC T6…T4 Gc Ex tc [pzc] IIIC T60 °C … T80 °C Dc |
| Ambient temperature | Ambient temperature ranges depend on the T class. See the certificates. |
| Hazardous environment | gas or dust |
| Operating mode | fully automatic (FA) |
| Storage temperature | -40 … 80 °C (-40 … 176 °F) |
| Series | 7500 |
| Degree of protection | Directive conformity: see Declaration of Conformity |
| Mass | 2.5 kg (5 lb 10 oz) |
| Supplementary information | Type Examination Certificate, Statement of Conformity, Declaration of Conformity, Attestation of Conformity and instructions have to be observed where applicable. For information see www.pepperl-fuchs.com. |
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