Viral Water Butterfly Valve Elephant Wbv1631n-2w-fb-h, Body Material - Cast Iron Qt450, Disk Material - Stainless Steel Aisi 304, Seal - Nbr, With Pneumatic Actuator Double Action Pa-da, Electropneumatic Rotary Positioner Yt-1000rsn Without Feedback Now On Sale [rmN2lcAB]
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. The valves are
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Viral Water Butterfly Valve Elephant Wbv1631n-2w-fb-h, Body Material - Cast Iron Qt450, Disk Material - Stainless Steel Aisi 304, Seal - Nbr, With Pneumatic Actuator Double Action Pa-da, Electropneumatic Rotary Positioner Yt-1000rsn Without Feedback Now On Sale [rmN2lcAB]
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. The valves are opened and closed by turning the disk by 90°. Opening is performed by turning the handle counterclockwise, closing - clockwise.
PA-DA double-acting pneumatic rotary actuators are designed to automate the process of controlling industrial valves with maximum torque up to 2128 Nm.
The electropneumatic rotary positioner is used to control pneumatic rotary actuators using an electric controller or control system with a 4 to 20 mA analog DC output signal range.
Technical parameters of Viral Water Butterfly Valve Elephant Wbv1631n-2w-fb-h, Body Material - Cast Iron Qt450, Disk Material - Stainless Steel Aisi 304, Seal - Nbr, With Pneumatic Actuator Double Action Pa-da, Electropneumatic Rotary Positioner Yt-1000rsn Without Feedback Now On Sale [rmN2lcAB]:
| Nominal diameter DN, mm | 50-150 |
| Nominal pressure PN, bar | 16 |
| Working medium temperature t, ⁰C | NBR - -10 to +90 EPDM - -20 to +150 |
| Working medium | NBR - water, mineral oils, hydrocarbons, oils, fats EPDM - cold and hot water, air without oil and grease impurities, other media. oil and grease impurities, other environments material neutral |
| Flow direction | double-sided |
| Connection to pipeline | interflanged |
| Body material | cast iron QT450 |
| Disk material | cast iron QT450 / stainless steel 304 |
| Seal material | NBR / EPDM |
| Service life, years | 10 |

Butterfly valves WBV1631N-2W-Fb-H, body material - cast iron QT450, disk material - stainless steel AISI 304, seal - NBR, with pneumatic actuator double action PA-DA, electropneumatic rotary positioner YT-1000RSN without feedback
Dimensions and dimensions of butterfly valves Elephant WBV1631N-2W-Fb-H, body material - cast iron QT450, disk material - stainless steel AISI 304, seal - NBR, with pneumatic actuator double action PA-DA, electropneumatic rotary positioner YT-1000RSN without feedback:
| DN | H, mm | A, mm | E, mm | S, mm | C, mm |
| 50 | 203 | 174 | 89 | 62.5 | 117.5 |
| 65 | 224 | 174 | 89 | 62.5 | 117.5 |
| 80 | 248 | 216 | 109 | 62.5 | 117.5 |
| 100 | 277.5 | 216 | 109 | 62.5 | 117.5 |
| 125 | 317.5 | 279 | 134 | 62.5 | 117.5 |
| 150 | 354.5 | 279 | 134 | 62.5 | 117.5 |

Sketch Butterfly valves WBV1631N-2W-Fb-H, body material - cast iron QT450, disk material - stainless steel AISI 304, seal - NBR, with pneumatic actuator double action PA-DA, electropneumatic rotary positioner YT-1000RSN without feedback
Materials of butterfly valves Elephant WBV1631N-2W-Fb-H, body material - cast iron QT450, disk material - stainless steel AISI 304, seal - NBR, with pneumatic actuator double action PA-DA, electropneumatic rotary positioner YT-1000RSN without feedback:
| № | Details | Material |
| 1 | Body | cast iron QT450 |
| 2 | Disk | stainless steel AISI 304 |
| 3 | Seat seal | NBR |
| 4 | Rod | stainless steel SS 316 |

Sketch of parts and materials Butterfly valves WBV1631N-2W-Fb-H, body material - cast iron QT450, disk material - stainless steel AISI 304, seal - NBR, with pneumatic actuator double action PA-DA, electropneumatic rotary positioner YT-1000RSN without feedback
Technical data of PA-DA pneumatic actuators:
| Design | Double action |
| Nominal pressure PN, bar | 12 |
| Working pressure, bar | 2...8 |
| Working medium | Filtered compressed air or non-aggressive gases, oils |
| Maximum particle diameter | less than 30 µm2 |
| Operating temperature t, ⁰C | - 20 to +80 - 40 to +80 (low temperature version) - 20 to +160 (in dry air) |
| Adjustment range | ± 5 ° for rotation at 0 ° and 90 ° |
| Manual override | is |
| Position indicator | open/closed |
| Operating environment | indoors and outdoors. (All internal and external parts are anti-corrosion coated) |

PA-DA pneumatic actuator
PA-DA pneumatic actuator component materials:
| № | Name | Material |
| 1 | Enclosure | extruded aluminum |
| 2 | Side plugs | cast aluminum |
| 3 | Gear | stainless steel |
| 4 | Piston | steel/aluminum |
| 5 | Plugs | stainless steel |
| 6 | Piston ring | NBR |
| 7 | Springs | spring steel |
| 8 | Piston bearing | engineering plastic |
| 9 | Piston ring | NBR |
| 10 | Plug | NBR |
| 11 | Thrust ring | engineering plastic |
| 12 | Ring | engineering plastic |
| 13 | Washer | stainless steel |
| 14 | Spring clip | stainless steel |
| 15 | Indicator | plastic |
| 16 | Indicator housing | plastic |
| 17 | Bearing | engineering plastic |
| 18 | Cam | steel |
| 19 | Bearing | NBR |
| 20 | Bearing | engineering plastic |
| 21 | Bearing | engineering plastic |
| 22 | Sealing ring | NBR |
| 23 | Sealing ring | NBR |
| 24 | Bearing | stainless steel |
| 25 | Adjustment nut | stainless steel |
| 26 | Adjustment screw | stainless steel |
| 27 | Sleeve | aluminum |
Parts and material sketch of the PA-DA pneumatic actuator
Technical parameters of electropneumatic rotary positioners:
| Name | Value |
| Control input signal, mA | 4 ~ 20 |
| Internal resistance, Ohm | 250(±15) |
| Input pressure, bar | 1,4~7 |
| Lever travel angle | 0~90° |
| Compressed air connection thread | 1/4″ |
| Pressure gauge connection thread | 1/8″ |
| Cable gland | G1/2″ |
| Protection type | IP66 |
| Compressed air flow rate, l/min | 3 |
| Output air flow rate, l/min | 80 |
| Housing material | aluminum casting |

Electropneumatic rotary positioners
Dimensions and dimensions of electropneumatic rotary positioners:
| Positioner model | YT-1000RSI |
| A, mm | 224.3 |
| B, mm | 166.5 |
| 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 |
| U1, mm | 70 |
| U2, mm | 93 |
| V1, mm | 40 |
| V2, mm | 63 |
| W, mm | 26 |
| X, mm | 32 |
| Y, mm | 9 |
| Z, mm | 24 |

Sketch of dimensions and dimensions of electropneumatic rotary positioners
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