Description
The DNOVA butterfly valves are designed for use as shut-off or regulating valves for flow control in heat and water supply systems, in technological processes of food, chemical, oil and gas, pulp and paper and other industries.
Electric quarter-turn actuators DNOVA QT-N-003EM-O1-24VDC-U1 HARK with thermal protection and heater are designed for remote and local control of shut-off pipeline valves having a quarter-turn shut-off valve. They are used in various branches of national economy: in gas, oil, metallurgical, food industries, housing and utilities, etc.
Technical parameters of water butterfly valve DNOVA WBV3232E-2W-Fb-H, body material - stainless steel AISI 316L, disk material - stainless steel AISI 316L, seal - EPDM, electric actuator QT-N-003EM-O1-24VDC-U1 HARK:
|
Parameter |
Value |
|
Nominal diameter DN, mm |
40–300 |
|
Operating pressure PN, bar |
16 |
|
Flow direction |
Two-way |
|
Working medium temperature t, °C |
From -20 to +120 |
|
Ambient temperature t, °C |
From -40 to +120 |
|
Working medium |
Cold and hot water, air without oil and grease, other media neutral to the material |
|
Connection to pipeline |
Interflange |
Dimensions and sizes of water butterfly valve DNOVA WBV3232E-2W-Fb-H, body material - stainless steel AISI 316L, disk material - stainless steel AISI 316L, seal - EPDM, electric actuator QT-N-003EM-O1-24VDC-U1 HARK:
| DN | H1, mm | H2, mm | Dm, mm | Dk, mm | L, mm | ØC, mm |
| DN40/50 | 62 | 126 | 73 | 90 | 43 | 125 |
| DN50 | 62 | 126 | 73 | 90 | 43 | 125 |
| DN65 | 72 | 133 | 85 | 103 | 46 | 145 |
| DN80 | 91 | 142 | 100 | 116 | 46 | 160 |
| DN100 | 107 | 165 | 131 | 151 | 52 | 180 |
| DN125 | 121 | 183 | 155 | 174 | 56 | 210 |
| DN150 | 134 | 195 | 184 | 205 | 56 | 240 |
| DN200 | 171 | 236 | 234 | 255 | 60 | 295 |
| DN250 | 197 | 276 | 288 | 315 | 68 | 355 |
| DN300 | 240 | 315 | 340 | 375 | 78 | 410 |
Specification Water Butterfly Valve DNOVA
| № | Name | Material |
| 1 | Housing | WCB steel or AISI 316L stainless steel |
| 2 | Cuff | EPDM, PTFE, NBR |
| 3 | Disc | AISI 316L stainless steel |
| 4 | Rod | SS 416/2Cr13 stainless steel |
| 5 | Pin | AISI 316L stainless steel |
| 6 | Bushing | EPDM |
| 7 | Sealing ring | EPDM |
| 8 | Fixing plate | carbon steel |
Sketch of specification water Butterfly Valve DNOVA
Technical characteristics of electric actuators DNOVA:
|
Parameter |
Value |
|
Type of electric actuator |
Quarter-turn |
|
Type of motor |
Asynchronous |
|
Angle of rotation, ° |
90±5 |
|
Body material |
Aluminum alloy with epoxy powder coating |
|
Shaft material |
Alloy steel |
|
Supply voltage |
24V/DC |
|
Cable entry |
Sealed gland 2xM18 |
|
Type of connection |
ISO 5211 |
|
Self-locking mechanism |
Worm and worm gear self-locking |
|
Automatic shut-off |
2 limit switches (open/closed positions and in case of jamming) |
|
Thermal protection |
Activation at 120°C ±5°C |
|
Insulation class |
F |
|
Mechanical output shaft rotation limit |
2 external adjustable stops |
|
Protection rating |
IP67 |
|
Noise level, dB |
≤ 50 |
|
Heater power, W |
5 |
|
Ambient temperature, °C |
From -20 to +70 |
|
Ambient humidity |
≤ 95% (at 25°C) |
|
Explosion-proof protection |
No |
Dimensions and sizes of electric actuators DNOVA:
| 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 |
| Stem size, square, mm | 14x14 |
| ISO 5211 | F05/F07 |
Device diagram of actuators DNOVA QT-N-003EM-O1-24VDC-U1 HARK:
|
№ |
Name |
|
1 |
Position indicator |
|
2 |
Upper cover |
|
3 |
Control board |
|
4 |
Capacitor |
|
5 |
Actuating cam followers |
|
6 |
Output shaft with worm gear |
|
7 |
Body |
|
8 |
Output shaft travel limiters |
|
9 |
Worm shaft |
|
10 |
Electric motor |
|
11 |
Gearbox |
|
12 |
Gearbox cover |
Specifications
Delivery
The cost and delivery time for your order depend on several factors, including the specific product you are ordering, the quantity, and the country of destination. Each product may have different manufacturing lead times and shipping requirements, which can affect the overall delivery schedule.
To get the most accurate and up-to-date information on delivery costs and timelines, we recommend contacting our sales managers. They will be happy to provide you with a detailed quote and estimated delivery time based on your specific requirements.
Please feel free to reach out to us for any questions or further assistance regarding your order.