Check and valves for draining and filling systems — prevent backflow, overflow and leakage of petroleum products.
The non-return valve allows the product to flow in only one direction, eliminating the reverse current when filling/draining is stopped. The shut-off valve shuts off the flow when the set condition (level, pressure, signal) is reached, preventing overflow and spillage ГСМ.
They are manufactured with a nominal bore according to the project, flanged or coupling connection. The body is made of steel/brass, the seals are resistant to petroleum products. They are installed on bottom drain devices, filling consoles and risers.
| Type | Check valve / shut-off valve |
|---|---|
| Purpose | Preventing backflow, overflow and leakage of product |
| Nominal bore, DN | by project |
| Connection | Flanged / coupling |
| Body material | Steel / Brass |
| Seal | Resistant to petroleum products |
| Installation | Drain-filling lines, risers, tips |
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