| # | Feature | Value |
|---|---|---|
| 1 | Maximum fluid temperature | ° С 150 |
| 2 | Nominal maximum pressure, bar | - diameters ½ "- 2" 40 - diameters 2 * 1/2 "- 4" 25 |
| 3 | Throughput, m3 / hour | ½ "19.8 ¾ "21.22 1 "49.7 1 * 1/4 "76.13 |
| 4 | Valve tightness class | "A" |
| 5 | Maintainability | yes |
| 6 | Transition Characteristic | full |
| 7 | Mean time between failures, cycles | 25000 |
| 8 | Average total life, cycles | 55000 |
Full bore ball valves MVI of the BV.51 ... series belong to shut-off valves and are not designed to regulate the flow. They perform the function of fast shut-off of the flow on domestic pipelines hot and cold systems water supply, heating. Do not create resistance to flow Use ball valves as control valves is prohibited.
The coupling of the valve must be made using in as sealing materials FUM (fluoroplastic sealing material) or sanitary nylon thread. For installation of the valve, it is not allowed to use pipe lever keys (KTP) above the second number, while acting with a key allowed only on the hexagon of the valve inlet. Fastening of elastic hoses to the tap connection should be done using standard screw clamps. Use for fastening hoses of various types of wire twists are not allowed.
The valve consists of a composite brass body, a shutter ball, which is overlapped with a butterfly. The force of the butterfly turning on The ball is driven by a PTFE-sealed stem. The butterfly is attached to the stem with a nut. The valve ball is placed between the seat rings made of teflon.
| # | Part name | Material | Material grade according to norms | |
|---|---|---|---|---|
| RF | EN | |||
| 1 | Large body | Brass | ЛС-59-2 | CW617N |
| 2 | Small body | Brass | ЛС-59-2 | CW617N |
| 3 | Ball Valve | Brass | - | HPb58-3 |
| 4 | Stock | Brass | - | HPb58-3 |
| 5 | Locking nut | Brass | - | HPb58-3 |
| 6 | Seat Ring | Teflon | Teflon | PTFE |
| 7 | Stem Seal | Teflon | Teflon | PTFE |
| 8 | Butterfly | Aluminum | - | Al-46100 |
| 8 | Lever | Steel | Steel | Q235 |
| 9 | Nut | Stainless steel | 08Х18Н10 | AISI304 |
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