
How it works
Quarter-turn lever
Butterfly disc
Limit-switch box
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
Applications
Media and industries
- Water
- Air
- Slightly Aggressive Environment
- Water Supply
- Heating
- Chemical Industry
- Oil And Gas Industry
- Food Industry
The butterfly valve is 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 Water Butterfly Valve DNOVA WBV1432E-2W-Fb-H
| Parameter | Value |
| Nominal diameter DN, mm | 40 – 300 |
| Nominal pressure PN, bar | 16 |
| Flow direction | Bidirectional |
| Operating medium temperature, °C | -20 to +120 |
| Ambient temperature, °C | -20 to +100 |
| Shut-off tightness | Class A |
| Working medium | Cold and hot water, oil-free and grease-free air, stationary air conditioning, mildly aggressive media, other media neutral to material |
| Body material | Cast iron GGG50 |
| Disc material | Cast iron GGG40 |
| Pipeline connection | interflange |
| Control type | Handle |
| Average service life, years | 5 |
| Average cycle life (open/close cycles) | 20,000 (under non-aggressive media and average pressure and temperature conditions) |

Butterfly valves WBV1413E-2W-Fb-H, body material - Cast iron GGG50/EN-GJS-500-7, disk material - Cast iron GGG40/EN-GJS-400-15, seal - EPDM, handle, LSU LS-103
Specifications of LS-103 250V 6A end sensors:
| Characteristic | Value |
| End sensor model | LS-103 |
| Rated voltage | 250B |
| Maximum switched current | 6A |
| Frequency | 50 Hz |
| Contact configuration | Instantaneous NC + NC/O |
| Ambient temperature | -5℃ to +65℃ |
| Degree of protection | IP64 |
| Enclosure material | plastic |
| Head movement | linear (plunger) |
| Permissible humidity | 95% |
| Contact resistance | 25 megohms (initial value) |
| Rated insulation resistance | 100 MOhm (500V DC) |
| Cable gland | max. Ø12 mm |
Dimensions and dimensions of butterfly valves DNOVA WBV1413E-2W-Fb-H, body material - Cast iron GGG50/EN-GJS-500-7, disk material - Cast iron GGG40/EN-GJS-400-15, seal - EPDM, handle, LSU LS-103:
| DN | A, mm | B, mm | C, mm | ØD, mm | Ød, mm | G, mm | CH, mm |
| 40 | 105 | 55 | 33 | 75 | 10 | 30 | 9x9 |
| 50 | 161 | 80 | 43 | 84.5 | 10 | 30 | 9x9 |
| 65 | 175 | 89 | 45 | 104.5 | 10 | 30 | 9x9 |
| 80 | 181 | 95 | 45 | 123.5 | 10 | 30 | 9x9 |
| 100 | 200 | 114 | 52 | 139.5 | 10 | 30 | 11x11 |
| 125 | 213 | 127 | 55 | 169.5 | 10 | 30 | 14x14 |
| 150 | 226 | 139 | 55 | 196 | 10 | 30 | 14x14 |
| 200 | 260 | 175 | 60 | 247 | 12 | 30 | 17x17 |
| 250 | 292 | 203 | 68 | 304 | 12 | 40 | 22x22 |
| 300 | 337 | 242 | 78 | 358 | 12 | 40 | 22x22 |

Sketch Butterfly valves WBV1413E-2W-Fb-H, body material - Cast iron GGG50/EN-GJS-500-7, disk material - Cast iron GGG40/EN-GJS-400-15, seal - EPDM, handle, LSU LS-103
Overall and installation dimensions of end sensors LS-103 250V 6A:
| Model | A, mm | B, mm | C, mm | D, mm | E, mm |
| LS-103 | 30 | 30 | 53 | 30.5 | 24 |

Sketch of dimensions of LS-103 250V 6A limit sensors
Materials of parts of rotary disc valves DNOVA Water Butterfly Valve DNOVA WBV1432E-2W-Fb-H
| № | Name | Material |
| 1 | Body | cast iron GGG50 |
| 2 | Cuff | EPDM |
| 3 | Disk | cast iron GGG40 |
| 4 | Stock | stainless steel SS 416/2Cr13 |
| 5 | Hairpin | stainless steel AISI 316L |
| 6 | Sleeve | NBR |
| 7 | Sealing ring | NBR |
| 8 | Fixing plate | carbon steel |
| 9 | Handle with lock | carbon steel |

Sketch of materials for rotary disc valves DNOVA Water Butterfly Valve DNOVA WBV1432E-2W-Fb-H
- Body material
- Cast iron GGG50/EN-GJS-500-7
- Maximum allowable temperature
- 110 °C
- Connection type
- Compact flanged
- Control type
- Handle
- Operating environment
- Water, Air, and Slightly Aggressive Environment
- Applications
- Water Supply, Heating, Chemical Industry, Oil And Gas Industry, Food Industry, and Pulp And Paper Industry
- Nominal pressure
- 16 bar
- Type of seal
- EPDM
- Coating type
- epoxy powder
- Disc material
- Cast iron GGG40/EN-GJS-400-15
- Limit switches
- Yes
- 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