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Butterfly valves are designed for use as shut-off or regulating valves for controlling flows in heat supply systems, water supply systems, in technological processes of food, chemical, oil and gas, pulp and paper and other industries. Operating principle: The valves are opened and closed by turning the disk by 90°. Opening is performed by turning the handle counterclockwise, closing - clockwise.
Pneumatic Elephant double-acting rotary actuators PA-DA and pneumatic rotary actuators with return spring PA-SA are designed for automation of industrial valves control process with maximum torque up to 2128 Nm.
The electropneumatic rotary positioner is used for controlling pneumatic rotary actuators by means of an electric controller or control system with analog DC output signal range from 4 to 20 mA.
Operating principle: The positioner functions based on the balancing of forces. The positioner uses a nozzle-flap type device and a feedback servomechanism (spring and lever system) to balance the control and feedback forces when the pneumatic actuator (valve) reaches the position corresponding to the control signal.
|
Characteristic |
Value |
|
Type of valve |
Rotary disc |
|
Diameter |
15–100 mm |
|
Nominal pressure |
10 bar |
|
Working medium temperature |
From -50 to +180°C |
|
Application |
Food industry |
|
Type of connection |
For welding |
|
Type of control |
Pneumatic actuator |
|
Tightness class |
A |
|
Warranty |
12 months |
| Type of pneumatic actuator | DA - double-acting |
| Nominal pressure PN, bar | 12 |
| Working pressure, bar | 2...8 |
| Working medium | filtered compressed air |
| Maximum particle diameter of the working medium, µm2 | ≤30 |
| Ambient temperature, ⁰C | -20 to +80 |
| Swivel angle, ° | 0 - 90 |
| Swivel angle adjustment, % | ±5 |
| Position indicator | open/closed |
| Top connection standard | NAMUR |
| Air connection standard | NAMUR |
| Average life, cycles closed/open | 70 000 (for non-aggressive media and medium pressure and temperature values) |

|
Characteristic |
Value |
|
Model of electropneumatic positioner |
YT-1000RSN |
|
Control signal input |
4–20 mA |
|
Internal resistance |
250 ± 15 ohms |
|
Input pressure |
1.4–7 bar |
|
Lever travel angle |
0–90° |
|
Compressed air connection thread |
1/4" |
|
Pressure gauge connection thread |
1/8" |
|
Cable gland |
G1/2" |
|
Protection rating |
IP66 |
|
Operating temperature |
From -20°C to +70°C |
|
Permissible ambient humidity |
10-90RH |
|
Linearity |
±1% |
|
Hysteresis |
±1% |
|
Sensitivity |
±0.5% |
|
Repeatability |
±0.5% |
|
Compressed air consumption |
3 l/min (at 1.4 bar pressure) |
|
Air output flow |
80 l/min (at 1.4 bar pressure) |
|
Body material |
Aluminum casting |

| Diameter | D, mm | t, mm | D1, mm | A, mm | H, mm | J, mm | K, mm |
| DN15 | 18 | 1.5 | 78 | 50 | 86 | 126 | 8x8 |
| DN20 | 23 | 1.5 | 78 | 50 | 86 | 126 | 8x8 |
| DN25 | 29 | 1.5 | 78 | 50 | 86 | 126 | 8x8 |
| DN32 | 35 | 1.5 | 86 | 50 | 90 | 126 | 8x8 |
| DN40 | 41 | 1.5 | 90 | 50 | 92 | 126 | 8x8 |
| DN50 | 53 | 1.5 | 106 | 52 | 104 | 133 | 10x10 |
| DN65 | 70 | 2.0 | 124 | 56 | 113 | 144 | 10x10 |
| DN80 | 85 | 2.0 | 139 | 60 | 123.5 | 160 | 10x10 |
| DN100 | 104 | 2.0 | 159 | 64 | 133.5 | 160 | 10x10 |

| Model | A, mm | B, mm | C, mm | D, mm | E, mm | F, mm | G, mm | H, mm |
| DA-052 | 30 | 41,5 | 65,5 | 72 | 92 | 65 | 30 | 80 |
| DA-065 | 36 | 47 | 81 | 88 | 108 | 72 | 30 | 80 |
| DA-083 | 46 | 57 | 98,5 | 108,7 | 128,7 | 92 | 30 | 80 |
| DA-105 | 57,5 | 64 | 122,5 | 133 | 153 | 109,5 | 30 | 80 |
| DA-130 | 67,5 | 74,5 | 145,5 | 155 | 185 | 127,5 | 30 | 130 |
| DA-140 | 75 | 77 | 161 | 172 | 202 | 137,5 | 30 | 130 |
| DA-160 | 87 | 87 | 184 | 197 | 227 | 159 | 30 | 130 |
| DA-210 | 113 | 113 | 235,5 | 255 | 285 | 210 | 30 | 130 |
| DA-270 | 147 | 147 | 299 | 326 | 356 | 273 | 30 | 130 |
| DA-300 | 162 | 174 | 330 | 350 | 380 | 312 | 30 | 130 |
| DA-350 | 190 | 195 | 483 | 410 | 440 | 365 | 30 | 130 |
| Model | I, mm | J, mm | M, mm | N, mm | Z, mm | d, mm | K | L |
| DA-052 | 36 | 50 | 11x11 | 14 | 147 | 40 | M5x8 | M6x10 |
| DA-065 | 50 | 70 | 14x14 | 18 | 168 | 40 | M6x10 | M8x13 |
| DA-083 | 50 | 70 | 17x17 | 21 | 204 | 40 | M6x10 | M8x13 |
| DA-105 | 70 | 102 | 22x22 | 26 | 268 | 40 | M8x13 | M10x16 |
| DA-130 | 70 | 102 | 22x22 | 26 | 301 | 55 | M8x13 | M10x16 |
| DA-140 | 102 | 125 | 27x27 | 31 | 390 | 55 | M10x16 | M12x20 |
| DA-160 | 102 | 125 | 27x27 | 31 | 458 | 55 | M10x16 | M12x20 |
| DA-210 | - | 140 | 36x36 | 40 | 532 | 80 | - | M16x25 |
| DA-270 | - | 165 | 46x46 | 50 | 718 | 80 | - | M20x25 |
| DA-300 | - | 165 | 46x46 | 50 | 760 | 80 | - | M20x25 |
| DA-350 | 165 | 254 | 46x46 | 50 | 920 | 80 | M20x25 | 8xM16x25 |

| A, mm | 224.3 |
| B, mm | 165.5 |
| C, mm | 117.5 |
| D, mm | 132.3 |
| E, mm | 6 |
| F, mm | 122 |
| G, mm | 45 |
| H, mm | 45 |
| I, mm | 23 |
| J, mm | 27 |
| K, mm | 32.5 |
| L, mm | 35.5 |
| M, mm | 91.8 |
| N, mm | 37.2 |
| O, mm | 43.5 |
| P, mm | 26.5 |
| Q, mm | 33 |
| R, mm | 80.25 |
| S, mm | 62.5 |
| T, mm | 8 |

| № | Part Name | Material |
|---|---|---|
| 1 | Body | Stainless steel AISI 304 |
| 2 | Rotary unit | Stainless steel AISI 304 |
| 3 | Disc | Stainless steel AISI 304 |
| 4 | Seat seal | EPDM or Silicon |
| 5 | Nut | Steel A2~70 |
| 6 | Bolt | Steel A2~70 |
| 7 | Plug | ABS plastic |
| 8 | Handle | Polyamide plastic |

| № | Part name | Material |
| 1 | Indicator screw | ABS plastic |
| 2 | Position indicator | ABS plastic |
| 3 | Spring clip | stainless steel 304 |
| 4 | Metal washer | stainless steel 304 |
| 5 | Pressure washer | engineering plastic |
| 6 | Housing | hard anodized extruded aluminum alloy |
| 7 | Pressure washer | engineering plastic |
| 8 | Limiter | alloy steel |
| 9 | Shaft sealing ring upper | NBR |
| 10 | Upper shaft sliding ring | engineering plastic |
| 11 | Shaft | nickel plated alloy steel |
| 12 | Shaft sliding ring lower | engineering plastic |
| 13 | Shaft O-ring lower | NBR |
| 14 | Plug | NBR |
| 15 | Seal ring of adjusting screws | NBR |
| 16 | Washer of adjusting screw | stainless steel 304 |
| 17 | Lock nut of adjusting screw | stainless steel 304 |
| 18 | Adjusting screw | stainless steel 304 |
| 19 | Piston | die-cast aluminum alloy |
| 20 | Piston guide plate | engineering plastic |
| 21 | Piston sliding ring | engineering plastic |
| 22 | Piston O-ring | NBR |
| 23 | Spring set | spring steel |
| 24 | Cover O-ring | NBR |
| 25 | End cap | cast aluminum with polyester coating |
| 26 | Cover screw | stainless steel 304 |
| 27 | Stop screw | stainless steel 304 |
| 28 | Adapter | carbon steel |

Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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