Purge and Pressurization

With Pepperl+Fuchs’ Bebco EPS purging and pressurization, you get:

State-of-the-art solutions based on more than 20 years of experience – a family of automatic purge and pressurization systems that make hazardous location protection easy
Purge and pressurization systems designed according to ATEX direction 94/9/EG, NFPA 496, and ISA 12.4 standards
Easy integration – compact, low-profile designs that can be internally or externally mounted
Automatic temperature and leakage control and alarming
User interface with programming to meet most users’ demands
Pepperl+Fuchs offers a full range of purge and pressurization equipment to meet the needs of your application. Another benefit of purging and pressurization is use of the standard Type 4/12 enclosure as the protected enclosure. This saves money, weight, and space over other explosion-proof methods.

Type X

Type X purge systems reduce the classification within the protected enclosures from Division 1 to non-hazardous. General-purpose equipment can be operated within the protected enclosure.
Note: Vents are required for most purge enclosures
The Pepperl+Fuchs Type X purge system is fully automatic and performs critical purging, pressurization and monitoring of the protected enclosure. It is designed according to NFPA 496 and ISA 12.4 standards.

Type Y purging systems reduce the classification within the protected enclosure from Division 1 to Division 2. All equipment used within the enclosure must be Division 2 rated.
Note: Vents are required for most Type Y purge enclosures
The Type Y purge system:
- Allows Division 2 rated equipment to be operated in a Division 1 location
- Controls purging, pressurization & monitoring pressures
- Rated for Class I/ II, Division 1 to Division 2 area applications
- Purge enclosure sizes to 450 cu. ft.
- UL, cUL, FM classifications
- Conforms to NFPA 496 and ISA 12.4 standards

Type Z / Ex pz purge and pressurization systems provide easy selection, installation, and operation for enclosures located in Division 2 / Zone 2 hazardous areas. The Type Z / Ex pz solutions consist of a control unit, vent, and solenoid valves. The combination of automation and configurable functions support even the most difficult applications.
Automatic systems for alarm, purging, and power to the enclosure
Enclosure sizes to 450 cu. ft.
Conforms to NFPA 496 and ISA 12.4 standards
ATEX, IECEx, and UL certified systems
Built-in programming (programmable temperature control / leakage compensation)

Ex px purge systems reduce the classification within the protected enclosure from Zone 1/ Zone 21 to non-hazardous. General-purpose equipment can be operated within the protected enclosure.
Note: Vents are required for all purge enclosures.
Designed according to European requirements- ATEX directive 94/9/EG, EN60079-2 and EN61241-4. European protection methods allow multiple techniques to be used when designing hazardous area equipment.

EPS Ex pz purge and pressurization systems provide easy selection, installation, and operation for enclosures located in Zone 2 and 22 hazardous areas. The Ex pz solutions consist of a control unit, vent, and solenoid valves. The combination of automation and configurable functions support even the most difficult applications.
Automatic systems for alarm, purging, and power to enclosure
Enclosure sizes to 450 cu. ft.
Conforms to NFPA 496 and ISA 12.4 standards
ATEX, IECEx, and UL certified systems
Built-in programming (programmable temperature control/ leakage compensation)

Enviro-Line purging units is an enclosure pressurization system for non hazardous areas that operates on a supply of compressed instrument air or inert gas. It regulates and monitors the pressure within the sealed enclosure at a constant pressure in order to prevent the accumulation of damaging and caustic gases and dusts.
The elimination of these gases and dusts extends the life of expensive electrical equipment and instrumentation placed within the Enviro-Line purging unit.
Due to higher pressures inside the electrical enclosure, corrosive environments remain outside. The system maintains a constant 0.5″ water pressure inside the enclosure for protection against gas and/or dust.