Russian version

Vacuum relief valves
weight loaded

Details

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”


Installation and maintenance

Download PDF


Materials

DESCRIPTION STANDARD MATERIALS OF CONSTRUCTION
  CARBON STL SS SPECIAL
nut, hex SS SS SS
cover AL GR 356 T6 CS SS
gasket, cover NON-ABS NON-ABS NON-ABS
pallet, pressure SS SS SS
o-ring, plate pallet (2) VITON VITON VITON
flange SS SS SS
rod, guide SS SS SS
stem, pressure SS SS SS
body AL GR 356 T6 CS SS
stud - nut SS SS SS

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