
How it works
Double-acting rotary actuator
Butterfly disc
Rotary positioner
The number that matters
Nominal pressure
16bar
The pressure class of the valve body at 20 °C. Working limits depend on the medium and its temperature.
Construction
Parts and materials
GG25-316L-NBR butterfly valves are designed for use as shut-off or regulating valves for flow control in heat supply systems, water supply systems, in technological processes of food, chemical, oil and gas, pulp and paper and other industries.
Technical parameters of DNOVA WBV1132N-2W-Fb-H butterfly valves, body material - gray cast iron GG25, disc material - stainless steel AISI 316L, sealing - NBR, with double-acting pneumatic actuator PA-DA-105-1,electropneumatic rotary positioner YT-1000RSN without feedback:
| Name | Significance |
| Working pressure, bar | 16 |
| Working medium temperature, °C | from -20 to 90 |
| Application | water supply, heating |
| Connection to pipeline | interflanged |
| Gate type | rotary disk |
| Control type | pneumatic actuator |
| Manufacturer's country | China |

Butterfly valves WBV1132N-2W-Fb-H, body material - grey cast iron GG25, disk material - stainless steel AISI 316L, seal - NBR, with pneumatic actuator double action PA-DA-105-1, electropneumatic rotary positioner YT-1000RSN without feedback
Dimensions and dimensions of butterfly valves DNOVA WBV1132N-2W-Fb-H, body material - gray cast iron GG25, disc material - stainless steel AISI 316L, sealing - NBR, with double-acting pneumatic actuator PA-DA-105-1, electropneumatic rotary positioner YT-1000RSN without feedback:
| DN | A, mm | B, mm | A1, mm | W, mm | S, mm | C, mm |
| 125 | 178 | 125 | 495 | 200 | 62.5 | 117.5 |
| 150 | 191 | 140 | 495 | 200 | 62.5 | 117.5 |

Sketch Butterfly valves WBV1132N-2W-Fb-H, body material - grey cast iron GG25, disk material - stainless steel AISI 316L, seal - NBR, with pneumatic actuator double action PA-DA-105-1, electropneumatic rotary positioner YT-1000RSN without feedback
Technical parameters of pneumatic actuator PA-DA-105-1:
| Type of pneumatic actuator | double-acting |
| Control pressure, bar | 2 ÷ 8 |
| Operating temperature, °C | -20 to +80 |
| Visual position indicator | open / closed |
| Manual control | handwheel |
| Swivel angle, ° | 90 ± 5 |
| Top connection standard | NAMUR |
| Air connection standard | NAMUR |
| Air supply connection thread | G 1/4" |
| ISO flange type | F07/F10 |
| Stem square, mm | 22x22 |
| Weight, kg | 9 |
| Average life, cycles closed/open | 300 000 |

Pneumatic actuator PA-DA-105-1
Dimensions and dimensions of the pneumatic actuator PA-DA-105-1:
| A, mm | 495 |
| A1, mm | 461.5 |
| B, mm | 133 |
| C, mm | 109.5 |
| D, mm | 153 |
| E, mm | 57.5 |
| F, mm | 64 |
| G, mm | 26 |
| H, mm | 80 |
| I, mm | 30 |
| N, mm | 22 |
| W, mm | 200 |
| J, mm | 102 |
| K, mm | 70 |
| L, mm | M10x16 |
| M, mm | M8x13 |
| O, mm | 4 |
| P, mm | 4 |
| S, mm | M6 |
| T, mm | 24 |
| U, mm | 32 |

Sketch of dimensions and dimensions of pneumatic actuator PA-DA-105-1
PA-DA-105-1 air actuator parts and materials table:
| № | Part name | Material |
| 1 | Indicator screw | ABS (plastic) |
| 2 | Position indicator | ABS (plastic) |
| 3 | Spring clip | Stainless steel 304 |
| 4 | Washer | Stainless steel 304 |
| 5 | External washer | Engineering plastic |
| 6 | Adjustment screw | Stainless steel 304 |
| 7 | Nut | Stainless steel 304 |
| 8 | Washer | Stainless steel 304 |
| 9 | Body | Extruded aluminum alloy |
| 10 | Piston | Die cast aluminum alloy |
| 11 | Piston O-ring | NBR |
| 12 | Bearing group | Engineering plastic |
| 13 | End cap O-ring | NBR |
| 14 | End cap | Die cast aluminum alloy coated with polyester paint |
| 15 | Fixing screw | Stainless steel 304 |
| 16 | Internal washer | Engineering plastic |
| 17 | Sealing ring | NBR |
| 18 | Bearing | Engineering plastic |
| 19 | Retainer | Alloy steel |
| 20 | Gear | Alloy steel |
| 21 | Bearing | Engineering plastic |
| 22 | Sealing ring | NBR |

Parts and material sketch of the PA-DA-105-1 pneumatic actuator
- Body material
- Grey cast iron GG25
- Maximum allowable temperature
- 120 °C
- Connection type
- Compact flanged
- Control type
- Pneumatic actuator
- Nominal pressure
- 16 bar
- Type of seal
- NBR
- Disc material
- Stainless steel AISI 316L
- Explosion-proof
- No
- Torque
- 101 Nm
- Manual override
- Handwheel
- Limit switches
- No
- Feedback sensor
- No
- Control signal
- 4-20 mA
- Type of pneumatic actuator
- double action
- Angle of rotation
- 90°
- Country of origin
- China
Production. Usually 7–14 business days after you approve the quotation and pay. Made-to-specification items are confirmed in the quotation.
Freight. Not charged at checkout. A manager quotes air and sea freight to your port or airport, and nothing ships until you approve the price and the freight.
To North America. From approval and payment to the destination port or airport: air 14–24 days, sea 32–60 days. Estimates, not guarantees.
Terms. EXW Ningbo or FOB Ningbo Port; CIF on request. The agreed term is written on the Proforma Invoice.
Total items
Product subtotal