![Photo Hutterer & Lechner Non-return valve, DN75 [Code number: HL 4/7]](/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBMkZ1QWc9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--0c0c7f0992665dd7fe82bbd4d7883602a4d299de/HL_4_7-photo.jpg?locale=en)
The HL company produces non-return valve HL 4/7 - it is used for prevention of flooding, the valve is equipped with cleaning eye. The valve can be mounted both horizontally and vertically. Diameter is 75 mm. It is made of polypropylene. Capacity is 2,30 l/s.
| Diameter | Capacity | Material | Weight |
|---|---|---|---|
| DN, mm | l/s | gr | |
| 75 | 2,30 | polypropylene | 400 |
| Height | Width | Depth | Weight | Volume |
|---|---|---|---|---|
| mm | mm | mm | kg | m3 |
| 155 | 225 | 295 | 0,42 | 0,010288125 |
Download data sheet: 
Non-return valve HL 4/7
Download example of product installation: Non-return valve HL 4/7
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