Description
Ball valves are used as shut-off valves in heat supply systems, water supply systems, in steam, fuel and pneumatic systems with compressed air and neutral gases. Installation of valves of this series is possible in systems transporting liquid and gaseous media (water, oil, oils, steam, air, alcohols, glycol, etc.), non-aggressive to the materials of the valve.
The shut-off of the working flow occurs by means of a locking element, which is a ball with a through cylindrical hole. The handle installed on the body rotates the ball around the axis. To completely shut off the flow, it is enough to turn it by an angle of 90 degrees.
Quarter-turn electric actuators are designed for remote and local control of shut-off pipeline valves with a quarter-turn shut-off element. They are used in various sectors of the national economy: in the gas, oil, metallurgy, food industries, in housing and communal services, etc.
Technical characteristics of ball valves DNOVA BV3232P(3pc)-FP-W-ISO-H LONG full bore, welded, body - stainless steel SS316, seal - PTFE, with 1/4-turn electric drive QT-N-003EM-O1-24VDC-U1 24V HARK
| Nominal diameter DN, mm | 10-150 |
| Nominal pressure PN, bar |
DN10÷25 – 64 DN32÷50 – 40 DN65÷80 – 25 DN100÷150 – 16 |
| Temperature of working environment t, ⁰C | from -20 to +180 |
| Working environment | water, steam, petroleum products and other liquid or gaseous media that are neutral to the materials of the tap |
| Connection to the pipeline | welded |
| Type of flow section | full bore |
| Application areas |
heating and water supply systems, industrial pipelines |
| Average service life, years | 5 |
|
Average resource, cycles of closing/opening |
100,000 (in non-aggressive environmen |
Sketch of dimensions and sizes of ball valves DNOVA BV3232P(3pc)-FP-W-ISO-H LONG full bore, welded, body - stainless steel SS316, seal - PTFE, with 1/4-turn electric drive QT-N-003EM-O1-24VDC-U1 24V HARK
Dimensions and sizes of ball valves DNOVA BV3232P(3pc)-FP-W-ISO-H LONG full bore, welded, body - stainless steel SS316, seal - PTFE, with 1/4-turn electric drive QT-N-003EM-O1-24VDC-U1 24V HARK
| D.N. |
Electric drive model |
Dimensions, mm | ||||
| d | D | B | L | Y | ||
| 10 | QT-N-003EMT | 12 | 17.2 | 2.1 | 130 | 123 |
| 15 | 15 | 21.3 | 2.1 | 150 | 123 | |
| 32 | 32 | 42.4 | 2.8 | 195 | 123 | |
Materials of parts of ball valves DNOVA BV3232P(3pc)-FP-W-ISO-H LONG full bore, welded, body - stainless steel SS316, seal - PTFE, with 1/4-turn electric drive QT-N-003EM-O1-24VDC-U1 24V HARK
| Item No. | Part name | Material |
| 1 | Frame | stainless steel 316 |
| 2 | Side element (2 pcs) | stainless steel 316 |
| 3 | Ball | stainless steel 316 |
| 4 | Ball seal | PTFE |
| 5 | Rod seal | PTFE |
| 6 | Sleeve | stainless steel 304 |
| 7 | Stock | stainless steel 304 |
| 8 | Washer | stainless steel |
| 9 | screw | steel A2-70 |
| 10 | Bolt | steel A2-70 |
| 11 | Lever | stainless steel |
| 12 | Handle coating | PVC |
| 13 | screw | steel A2-70 |
Image of electric drives DNOVA QT-N-xEMT-O1-x-UHL1 with thermal protection and heater
Technical electric drives DNOVA QT2-N-xEM-O1-x-U1m
| Electric drive type | quarter turn |
| Engine type | asynchronous |
| Rotation angle, ° | 90±5 |
| Body material | aluminum alloy, epoxy powder coated |
| Shaft material | alloy steel |
| Supply voltage | 380V/AC, 50Hz |
| Cable entry | gland 2xM18 |
| Connection type | ISO 5211 |
| Self-locking device | self-locking worm and worm gear |
| Automatic shut-off in the open, closed and jammed positions |
2 limit switches + 2 additional switches (dry contact); |
| Thermal protection |
switch on at 120°C ±5°C; switch off at 97°C ±5°C |
| Mechanical limitation of output shaft rotation | 2 external adjustable stoppers |
| Housing protection class | IP67 |
| Noise level, dB | ≤ 50 |
| Heater power, W | 5 |
| Ambient temperature, °C | from -20 to +70 |
| Ambient humidity | ≤95% (25°C) |
| Explosion protection of the housing | No |
Sketch of overall dimensions of electric drives DNOVA QT2-N-xEM-O1-x-U1
Dimensions and sizes of electric drives DNOVA QT2-N-xEM-O1-x-U1
| Model | 003EMT |
| L, mm | 123 |
| H, mm | 115 |
| A, mm | 101 |
| B, mm | 98 |
| C, mm | 74 |
| D, mm | 49 |
| E, mm | 34.5 |
| F, mm | 35 |
| G, mm | 5 |
| Rod size, square, mm | 14x14 |
| ISO 5211 | F05/F07 |
Electric drive device diagram DNOVA QT2-N-xEM-O1-x-U1
The device diagram of electric drives DNOVA QT-N-xEM-O1-x-U1 HARK:
| Item No. | Name |
| 1 | Position indicator |
| 2 | Top cover |
| 3 | Control board |
| 4 | Capacitor |
| 5 | Push cams |
| 6 | Output shaft with worm wheel |
| 7 | Frame |
| 8 | Output shaft travel limiters |
| 9 | Worm shaft |
| 10 | Electric motor |
| 11 | Reducer |
| 12 | Gearbox cover |
Specifications
Delivery
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