RAFTEC BLACK MT-MT ball valve DRB1111-3131
Documentation
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INSTRUCTION MANUAL: ball valves (DRB1111-DRB3131) |
Raftec water ball valve of the Black series is used as a shut-off valve on pipelines of drinking, household, process, cold and hot water supply systems, heating, compressed air, gas supply pipelines and liquids that are non-aggressive to the valve material. It is not allowed to be used as an adjustable valve.
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Description
Raftec water ball valve of the Black series is used as a shut-off valve on pipelines of drinking, household, process, cold and hot water supply systems, heating, compressed air, gas supply pipelines and liquids that are non-aggressive to the valve material. It is not allowed to be used as an adjustable valve.
Specifications
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| Warranty, Years: | 7 |
| Body material: | Nickel-plated brass |
| Operating temperature, °C: | to 185 |
| Average full service life, years: | 25 |
| Handle type: | Black butterfly |
| Thread accuracy class: | "А" (ISO7/2) |
| Diameter efficiency class: | Full-opening 95% |
| Notch on thread: | Yes |
| Average service life (opening-closing), times: | 25000 |
| Average time between failures (opening-closing), times: | 50000 |
| Seat rings: | Teflon PTFE |
| Handle screw material: | Stainless Steel |
| Handle material: | Aluminum, painted |
| Ball material: | Chrome plated brass |
| Stammmaterial: | Brass |
| Gland seal: | Teflon PTFE |