FNC vacuum relief valves
Pressure relief valves are weight loaded vents designed to prevent tank deformation caused by increase in internal pressure.
When tank preassure reach valve pressure setting, weight loaded pallet is lifted allowing the excess pressure to be vented to atmosphere
or to be piped-away.
Pallets have knife edged ring with sealing or metal to metal.
Mesh screen over inlet excludes foreign matter.
Features:
SIZE: 1” (25 mm) through 14” (350 mm)
CONSTRUCTED: carbon steel, stainless steel, additional metals and coatings
SETTING PRESSURE: -2,5 mbar to -50 mbar upon request -450 mbar
FLANGE RATING: ANSI 150, PN10, PN16
Products:
series 5200 — atmospheric inlet - 1/2” to 2”
series B5220 — piped inlet - 1/2” to 2”
series 5000 — atmospheric inlet - 3” to 6”
series B5000 — flanged inlet - 3” to 6”
series 3000 — atmospheric inlet - 8” to 14”
series B3000 — flanged inlet - 8 ” to 14”