Lightweight non-return valve with female-female connection and metal shutter. Reinforced body made of CW617N brass, NBR seals and threads in accordance with ISO 228/1 (DIN 259). The non-return valve prevents fluid backflow, allowing only one direction of flow. Model 4215 has a maximum working pressure of 16 bar and an operating temperature of -20 to 80°C. It is ACS-certified and is especially suitable for use with cold water, hot water, hydrocarbons, diesel and NBR-compatible chemicals. It can be mounted horizontally, vertically or diagonally. In vertical and diagonal position, the direction of flow must always be upwards. The wide range of MT valves aims to cover all market needs and satisfy the specific requirements in all geographical areas of the world and the various applications in sectors such as industry, plumbing, heating, irrigation, etc.
| Reference | Measures | Weight (KG) | Small / Large box |
| 4215015 | f-f Non-return valve light type with metal shutter 1/2” | 0.13 | 24 / 144 |
| 4215020 | f-f Non-return valve light type with metal shutter 3/4” | 0.18 | 15 / 90 |
| 4215025 | f-f Non-return valve light type with metal shutter 1” | 0.26 | 11 / 44 |
| 4215032 | f-f Non-return valve light type with metal shutter 1 1/4” | 0.41 | 6 / 24 |
| 4215040 | f-f Non-return valve light type with metal shutter 1 1/2” | 0.57 | 5 / 20 |
| 4215050 | f-f Non-return valve light type with metal shutter 2” | 0.84 | 2 / 8 |
| 4215065 | f-f Non-return valve light type with metal shutter 2 1/2” | 1.59 | 1 / 8 |
| 4215080 | f-f Non-return valve light type with metal shutter 3” | 2.19 | 1 / 3 |
| 4215100 | f-f Non-return valve light type with metal shutter 4” | 3.55 | 1 / 2 |
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