• 2″ NPT inlet and outlet standard
• Pilot operated design provides tight operating band
• Optional inlet and outlet connections available
• Inlet gas pressures from 40 PSIG to 130 PSIG
• Set points from -0.5 in.W.C. to 69.2 in.W.C.
• Optional flow plates to meet specific flow
requirements
• Fully field serviceable
• Optional pilot and sense line gauges
• System purge and field test capability available
• Conforms to the latest ATEX Directive
FLAME AND DETONATION ARRESTERS
• Sizes 1″ through 4″(End line);
• Sizes 1″ (DN 25) through 12″ (DN 300)(Vent line)
• Listed by Underwriters Laboratories in 1″ and 2” sizes
• Suitable for use with vapors equivalent to NEC 500
Group D, IEC Group IIA
• Vertically mounted, parallel plate-type flame arrester
• Protects against fire
• Minimizes pressure drop under normal operating
conditions
• Easy inspection and maintenance
• Factory inspected prior to shipment
• Available in Aluminum and Stainless Steel
EMERGENCY PRESSURE RELIEF VENT
• Sizes 2″ (DN 50) through 24″ (DN 600)
• Settings achieved by weight loading
• Reduces costly evaporation losses
• Leakage rate of less than 1 SCFH of air at 90% of set point
• Patented, FEP film “Air-Cushioned Seating”
• Low-leak pallet design – certified test reports
• Conforms to the latest ATEX Directive
• Available in Aluminum, Stainless Steel, Carbon Steel,
and Alloy C / C27619800 – Pipe-Away Pressure Relief Vent
PRESSURE AND VACUUM RELIEF VENTS
• Sizes 2″ (DN 50) through 12″ (DN 300)
• Conforms to the latest ATEX Directive
• Available in Aluminum, Ductile Iron, Stainless Steel,
Carbon Steel, and Alloy C / C276
SERIES -STYLE
9540 – End-of-Line Pressure/Vacuum Breather Vent
19540 – Pipe-Away Pressure/Vacuum Breather Vent
9240 – End-of-Line Vacuum Relief Vent
19240 – Side Mount Vacuum Relief Vent
9800 – End-of-Line Pressure Relief Vent
19800 – Pipe-Away Pressure Relief Vent