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PROTEGO®
Excellence in Safety and Environment

PU-IIB1

Gauging Pipe deflagration proof

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Features

Explosion-Proof Tank Content Measurements
Usable in Horizontal Tanks for Conducting Explosion-Proof Tank Content Measurements
Atmospheric Deflagrations
Provides Protection Against Atmospheric Deflagrations of Product Vapor/Air Mixtures
Maximum Permeability
for Two-Phase Mixtures
Function and Description

Deflagration-Proof Gauging Pipes

The Deflagration Deflagration Explosion propagating at subsonic velocity (EN 1127-1:1997). -Proof Pressure/vacuum relief valve Pressure/vacuum relief valve is an umbrella term that includes pressure or vacuum relief valve as well as pressure and vacuum relief valve. Gauging Pipes With Integrated Flame Arresters Flame arrester Device fitted to the opening of an enclosure, or to the connecting pipe work of a system of enclosures, and whose intended function is to allow flow but prevent the transmission of a flame. Type PROTEGO® PU are used for explosion Explosion Abrupt oxidation or decomposition reaction producing an increase in temperature, pressure, or in both simultaneously. -proof gauging of tank contents. The gauging pipes of type PROTEGO® PU consist of insert pipe (1) with Flame Arresters (2) – equipped with FLAMEFILTER® (3) – connecting pipe (4), bushing (5) to be welded in the nozzle cover and cap (6). The number of Flame Arresters depends on the length of the gauging pipe Gauging pipe The gauging pipe is a measuring pipe for liquids. . Please note the maximum dimension of 1.2 m / 3.94 ft for measure b and 4.13 m / 13.45 ft for measure c.

Flame Arrester Protection Against Atmospheric and Pipeline Deflagrations

In normal operation the gauging pipe is closed with the cap. It is opened only for tank content gauging. Type PROTEGO® PU ensures flame transmission protection against atmospheric deflagrations or in-line deflagrations of gas/air mixtures or product Product Includes equipment, protective systems, devices, components and combinations of these. vapour/air mixtures of substances from explosion group IIB1 (MESG ≥ 0.85 mm, NEC group C) in all ranges of flammable concentrations up to a service temperature of +60°C / 140°F. EU conformity according to the currently valid ATEX directive. Approvals according to other national/international regulations on request.
Product Data

Dimensions

The measures a, b, y must be given with the order

DN minimum size d
25 / 1"150 / 5.91

Dimensions in mm / inches

Material selection

DesignAB
Gauging pipeSteelStainless Steel
Weld-in bushingSteelStainless Steel
CapBrassStainless Steel
FLAMENFILTER® cageSteelStainless Steel
FLAMENFILTER®Stainless SteelStainless Steel

In design A the connecting pipe is equipped with reducing piece and blind cap - each with integrated sealing and chain. In design B the connecting pipe is closed with a hexagon cap connected to the retainer ring via chain and wire hoop.

Explosion group

MESGExpl. Gr. (IEC / CEN)Gas Group (NEC)
> ≥ 0,85 mmIIB1C

Special approvals upon request

The gauging pipes of type PROTEGO® PU mainly serve for tank gauging in horizontal tanks using fuel dip stick or manual gauging device Device A device is a pipe component that influences the media flow by opening, closing, or partially shutting off the flow channel or by dividing or mixing the media flow. e.g. of type PROTEGO® H/P.

Applications

Floating-Roof Storage Tanks

Refrigerated and Cryogenic Storage

Contact CSR Department 

Picture of Auris-Nadine Hillen
Auris-Nadine Hillen

CSR Department

+49 (0)5307 809 108