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D/SR, D/SR-W

Roof Drain Valves 

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Features

Function of an Inlet Cup
The Ceiling Valve Functions as an Inlet Cup and Directs Rainwater Through Scissor Pipes Into the Sewer System
Prevention of Medium Leakage
The Non-Return Cap Prevents Medium Leakage onto the Floating Roof in Case of Leaks
Protection of the Ceiling Valve
The Inlet Screen Protects Against Coarse Dirt, Leaves, and Nesting Birds
Function and Description

Roof Drain Valve for Floating Roof Drainage Systems

The 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. PROTEGO® Roof Drain Valves D/SR or D/SR-W have the function of an inlet cup, which collects the rainwater from the floating roof Floating roof A floating roof is the roof of a tank that is fitted with floating chambers (pontoons) and lies on top of the liquid. through the scissor pipes of a PROTEGO® Floating Roof Drainage System, e.g., SE/K or SE/CK, into the sewage system.

Protection Against Debris, Leaves, and Nesting Birds

Under normal operating conditions, the roof drain valve Roof drain valve A roof drain valve is mounted on floating-roof tanks and allows controlled draining of collected rain water into the sewage system via a floating roof drainage system. is open. In case of any leakage, the non-return valve prevents the stored substance from escaping to the floating roof. The inlet screen protects the roof drain valve from any dirt, leaves, or nesting animals.
Product Data

Dimensions D/SR-W

DN80 / 3'' 100 / 4''150 / 6''
a550 / 21.65600 / 23.62650 / 25.59
b490 / 19.29540 / 21.26590 / 23.23
c450 / 17.72500 / 19.69550 / 21.65
d205 / 8.07250 / 9.84320 / 12.6
e490 / 19.29490 / 19.29490 / 19.29
f285 / 11.22320 / 12.6350 / 13.78
g150 / 5.91180 / 7.09225 / 8.86

Dimensions in mm / inches

Dimensions D/SR

DN80 / 3" 100 / 4" 150 / 6"
a550 / 21.65600 / 23.62650 / 25.59
b490 / 19.29540 / 21.26590 / 23.23
c450 / 17.72500 / 19.69550 / 21.65
d240 / 9.45280 / 11.02330 / 12.99
e490 / 19.29490 / 19.29490 / 19.29
f160 / 6.3180 / 7.09240 / 9.45
g200 / 7.87220 / 8.66285 / 11.22

Dimensions in mm / inches

Material selection

DesignAB
Housing Housing A housing is a solid shell, which surrounds a content, either protecting the content from external influences, or protecting the environment from the content. SteelStainless Steel
Non-return valveRed BrassRed Brass
Valve discSteelStainless Steel
Quick-action shut-offSteelStainless Steel
GasketPURPUR

The 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. must have sufficient corrosion resistance with regards to the stored media. If necessary, designs in special stainless steel quality should be selected.

PROTEGO® roof drain valve type D/SR in combination with Floating roof drainage system Floating roof drainage system A floating roof drainage system is mounted in tank systems with floating roofs and is equipped with a roof drain valve and a pipe system with several joints. PROTEGO® SE/CK

PROTEGO® roof drain valve type D/SR-W in combination with Floating roof drainage system PROTEGO® SE/K.

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