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The Elephant 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 Elephant 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.
|
Nominal diameter DN, mm |
50–150 |
|
Operating pressure PN, bar |
16 |
|
Working medium temperature t, °C |
From -20 to +100 |
|
Working medium |
Cold and hot water, air without oil and grease, other media neutral to the material |
|
Flow direction |
Two-way |
|
Tightness class |
Class A |
|
Connection to pipeline |
Interflanged |
|
Body material |
Cast iron QT450 |
|
Disc material |
Cast iron QT450 |
|
Seal material |
EPDM |
|
Service life, years |
10 |
|
DN |
Model |
Size, mm |
|||||
|
A |
B |
C |
D |
N-M |
L |
||
|
50 |
QT-N-003EMT |
72.5 |
130.5 |
43 |
125 |
4-M16 |
123 |

|
№ |
Part name |
Material |
|
1 |
Body |
Cast iron QT450 |
|
2 |
Disc |
Stainless steel 304 |
|
3 |
Seat seal |
EPDM |
|
4 |
Stem |
Stainless steel SS 316 |

|
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 |

| 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 |

|
№ |
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 |

Ships within 48 hours · Estimated delivery Jun 20 - Jun 25
US$40
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