D/SR, D/SR-W
Roof Drain Valves
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 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
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.
, 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
Dimensiones D/SR-W
| DN | 80 / 3'' | 100 / 4'' | 150 / 6'' |
| a | 550 / 21.65 | 600 / 23.62 | 650 / 25.59 |
| b | 490 / 19.29 | 540 / 21.26 | 590 / 23.23 |
| c | 450 / 17.72 | 500 / 19.69 | 550 / 21.65 |
| d | 205 / 8.07 | 250 / 9.84 | 320 / 12.6 |
| e | 490 / 19.29 | 490 / 19.29 | 490 / 19.29 |
| f | 285 / 11.22 | 320 / 12.6 | 350 / 13.78 |
| g | 150 / 5.91 | 180 / 7.09 | 225 / 8.86 |
Dimensiones en mm / pulgadas
Dimensiones D/SR
| DN | 80 / 3" | 100 / 4" | 150 / 6" |
| a | 550 / 21.65 | 600 / 23.62 | 650 / 25.59 |
| b | 490 / 19.29 | 540 / 21.26 | 590 / 23.23 |
| c | 450 / 17.72 | 500 / 19.69 | 550 / 21.65 |
| d | 240 / 9.45 | 280 / 11.02 | 330 / 12.99 |
| e | 490 / 19.29 | 490 / 19.29 | 490 / 19.29 |
| f | 160 / 6.3 | 180 / 7.09 | 240 / 9.45 |
| g | 200 / 7.87 | 220 / 8.66 | 285 / 11.22 |
Dimensiones en mm / pulgadas
Selección de materiales
| Design | A | B |
| 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. | Steel | Stainless Steel |
| Non-return valve | Red Brass | Red Brass |
| Valve disc | Steel | Stainless Steel |
| Quick-action shut-off | Steel | Stainless Steel |
| Gasket | PUR | PUR |
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 PROTEGO® SE/CK
PROTEGO® roof drain valve type D/SR-W in combination with Floating roof drainage system PROTEGO® SE/K.
