Parts
How it works
Quarter-turn lever
Butterfly disc
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
Water Butterfly Valve DNOVA is intended for use as shut-off or control valves for flow control in heat supply systems, water supply systems, in technological processes in the food, chemical, oil and gas, pulp and paper and other industries.
Technical data of DNOVA WBV1132N-2W-Fb-H PN16, body material - cast iron GG25, disk material - stainless steel 316L, seal - NBR, handwheel operated
| Nominal diameter DN, mm | 40-200 |
| Working pressure PN, bar | 16 |
| Temperature of working environment t, °C | from -20 to +120 |
| Working environment | cold and hot water, air without impurities of oil and fat, other media neutral to the material |
| Direction of flow | bilateral |
| Body material | cast iron GG25 |
| Control type | manual (handle) |
| Addition | installation of electric or pneumatic drive is possible (ISO 5211-2001) |
Overall dimensions of DNOVA WBV1132N-2W-Fb-H PN16, body material - cast iron GG25, disk material - stainless steel 316L, seal - NBR, handwheel operated
| D.N. | A, mm | B, mm | C, mm | E, mm | L, mm | ØD, mm |
| 40 | 114 | 66 | 26 | 34 | 210 | 65 |
| 50 | 131 | 72 | 26 | 43 | 220 | 65 |
| 65 | 140 | 83 | 26 | 46 | 220 | 65 |
| 80 | 150 | 95 | 26 | 46 | 220 | 65 |
| 100 | 163 | 112 | 28 | 52 | 264 | 90 |
| 125 | 178 | 125 | 28 | 56 | 264 | 90 |
| 150 | 191 | 140 | 28 | 56 | 264 | 90 |
| 200 | 238 | 172 | 34 | 60 | 364 | 125 |
Shutter sketch DNOVA WBV1132N-2W-Fb-H PN16, body material - cast iron GG25, disk material - stainless steel 316L, seal - NBR, handwheel operated
Materials of valve parts DNOVA GG25-316L-NBR DN40-300 PN16
| № | Part name | Material |
| 1 | Body | Cast iron GG25 |
| 2 | Malleable iron | NBR |
| 3 | Disk | 316L stainless steel |
| 4 | Stem | SS AISI 416 |
| 5 | pin | SS AISI 420 |
| 6 | bushing | PTFE |
| 7 | O-ring | NBR |
| 8 | Plate | Carbon steel |
| 9 | Handle | Malleable iron |
Sketch of bolt detailing DNOVA WBV1132N-2W-Fb-H PN16, body material - cast iron GG25, disk material - stainless steel 316L, seal - NBR, handwheel operated
- Body material
- Cast iron GG25/EN-GJL-250
- Maximum allowable temperature
- 90 °C
- Connection type
- Compact flanged
- Control type
- Handle
- Nominal pressure
- 16 bar
- Type of seal
- NBR
- Disc material
- Stainless steel AISI 316L/1.4404
- 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.