Russian version

Emergency vents
Roof Manhole Cover

Details

Sized to provide emergency relief due to overpressure from tank inside.
When internal pressure is beyond the capacity off breather vent.
To be used also as “manhole” with sizes 20”-24”
Venting requirements can be calculated using API2000.
Available also weight loaded hinged arm design.


Features

SIZE: 10” - 20” - 24”
CONSTRUCTED: carbon steel, stainless steel, additional metals and coatings
SETTING PRESSURE: +30mbar max
FLANGE RATING: ANSI 150, PN10, PN16


Products

2500


Installation and maintenance

Download PDF


Weight loaded

Weight loaded hinged

Materials

DESCRIPTION STANDARD MATERIALS OF CONSTRUCTION
  CARBON STL SS
cable, retension SS SS
body CS SS
diaphragm (2) (3) Teflon® FEP Teflon® FEP
pallet SS SS
weight, plate CS CS
plate, retainer SS SS
nut, hex, washer SS SS

Dimensions

DN 10" 20" 24"
A 406 715 840
C 100+S 100+S 100+S
code 2460 2500 2510
datasheet 25set 25set 25set

Dimensions shown are for reference only. Contact factory for certified drawings.

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