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P/EBR Pressure Relief Valve
Brand: PROTEGOThe deflagration-proof and endurance burning-proof P/EBR type Protego valve is a highly developed pressure relief valve for large flows with an integrated flame arrester unit.
It is primarily used as a safety device for flame transmission proof outbreathing on tanks, containers and process engineering apparatus.
The valve offers reliable protection against excess pressure and prevents product losses almost up to the set pressure; it also protects against atmospheric deflagration as well as endurance burning if stabilized burning occurs.
The Protego flame arrester unit is designed to achieve minimum pressure drop with maximum safety.
P/EBR valves are available for substances from explosion groups IIA and IIB3 (NEC group D and C MESG ≥0.65 mm).
Features- Requires only 10% overpressure to full lift for group IIA (NEC group D >0.9 MESG) vapors
- Through 10% technology higher set pressures can be used which results in product loss reduction compared to conventional 40% and 100% overpressure technology vents (Compare API 2000)
- More design flexibility through higher reseating pressures; vents reseat when conventional vent is still discharging costly product or nitrogen
- The valve disc is guided within the housing to protect against harsh weather conditions
- High performance seal reducing product loss below EPA's 500 ppm rule preventing environmental pollution
- Can be used as protective system according to ATEX in areas subject to explosion hazards
- Safe against deflagration and endurance burning for explosion group IIA and IIB3 (NEC group D and C) vapors
- High flow capacity through large FLAMEFILTER cross-section, results in low pressure drop
- Protego flame arrester unit provides protection against atmospheric deflagration and endurance burning
- Flame arrester unit integrated into the valve saves space and weight
- FLAMEFILTER protected from clogging caused by product vapors
- Flame transmission proof condensate drain
- Maintenance friendly design
- Modular design enables individual FLAMEFILTER and valve pallets to be replaced
Specifications
Brand
Approvals & Certifications
- EN 14015
- ISO 28300 (API 2000), ISO 6358, ISO 16016
- TÜV (Technischer Uberwachungsverein)
Approvals & Certifications
- ATEX
- CEN
- IEC
- NEC Group D & C MESG ≥ 0.65 mm
Diaphragm Material
- FEP
Enclosure, Body Material
- Stainless Steel
- Steel
Environmental Protection
- Explosion-proof Groups IIA & IIB3
Flange Size - 3” (DN 80)
- 3” (DN 80) - 150# ASME B16.5
Flange Size - 4” (DN 100)
- 4” (DN 100) - 150# ASME B16.5
Flange Type
- Raised Face (RF)
- Smooth Finish
Materials of Construction
- Heating Jacket, Flamefilter Cage, Spacer, Weather Hood, Valve Pallet: Stainless Steel
- Heating Jacket, Weather Hood: Steel
- Valve Pallet: Aluminum
Operating Temperature
- 0° to 60° C (32° to 140° F)
Pressure Range
- psi: 0.050 to 3.046 (kPa: 0.35 to 21, Mbar: 3.5 to 210)
Process Temperature
- Maximum
Seat / Seal Material
- Seal: FEP
- Seal: Metal
- Seal: PTFE
- Valve Seat: Stainless Steel