
How it works
Multi-turn handwheel
Knife gate
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
Gate valve DNOVA GVKR1331N-2W-Fb-CC cast iron, interflanged with hand wheel with chain is designed for installation on the pipeline as a shut-off device and regulating the flow of working medium in water supply systems and chemical industry.
Main technical characteristics of gate valves DNOVA GVKR1331N-2W-Fb-CC, body material - cast iron GGG40, knife material - stainless steel AISI 304, seal - NBR, handwheel with chain
| Nominal diameter DN, mm | 50÷200 |
| Nominal pressure of the gate valve, bar | DN50÷100 – 16 DN200 – 10 |
| Temperature of the working medium t, °C | from -30 to +110 |
| Working medium | water, slightly contaminated liquids with suspended particles content up to 5% |
| Direction of medium flow | bilateral |
| Tightness class | A |
| Control type | steering wheel with chain |
| Chain characteristics | long-link; DIN 763; total length – 10 m; material – Q235 galvanized steel; weight ~ 7.5 kg. |
| Connection to the pipeline | interflange |
| Nominal pressure of flanges, bar | DN50÷100 – 10/16 DN200 – 10 |
| Body material | cast iron GGG40 |
| Gate material | stainless steel AISI 304 |
| Seal material | NBR |
| Application areas | heating and water supply systems (except drinking water supply systems), industrial pipelines |
| Average service life, years | 10 |
| Average resource, cycles closing/opening | 20 000÷50 000 |
Dimensions and installation dimensions of gate valves DNOVA GVKR1331N-2W-Fb-CC, body material - cast iron GGG40, knife material - stainless steel AISI 304, seal - NBR, handwheel with chain
| Model | Size | piece | ||||||||||
| DN | L | D | D1 | D2 | D0 | H1 | N-Th | T | Ød | E | F | |
| DN50 | 50 | 48 | 165 | 125 | 99 | 250 | 290 | 4-M16 | 12 | 18 | 2 | 2 |
| DN80 | 80 | 51 | 200 | 160 | 132 | 250 | 358 | 8-M16 | 12 | 18 | 2 | 6 |
| DN100 | 100 | 51 | 220 | 180 | 156 | 250 | 378 | 8-M16 | 12 | 18 | 2 | 6 |
| DN200 | 200 | 70 | 340 | 295 | 266 | 250 | 588 | 8-M20 | 16 | 23 | 2 | 6 |

Dimensional sketch of gate valves DNOVA GVKR1331N-2W-Fb-CC, body material - cast iron GGG40, knife material - stainless steel AISI 304, seal - NBR, handwheel with chain
Materials of gate valves DNOVA GVKR1331N-2W-Fb-CC, body material - cast iron GGG40, knife material - stainless steel AISI 304, seal - NBR, handwheel with chain
| № | Name | Material |
| 1 | Case | High-strength cast iron GGG40/BCh40/EN-GJS-400-15 |
| 2 | Seat seal | NBR |
| 3 | Schieber | Stainless steel AISI/SS 304/08X18H10 |
| 4 | Guide seal | PTFE |
| 5 | Sealing | PTFE |
| 6 | Gland packing | steel WCB |
| 7 | pin | steel 45 |
| 8 | Clamping chuck | steel WCB |
| 9 | Stem | steel 2Cr13 |
| 10 | Rack | steel Q235 |
| 11 | Head end of the rack | cast iron HT200 |
| 12 | Bearing | steel GCr15 |
| 13 | Nut | brass |
| 14 | Chain | steel Q235 galvanized |

Material sketch of slide gate valves DNOVA GVKR1331N-2W-Fb-CC, body material - cast iron GGG40, knife material - stainless steel AISI 304, seal - NBR, handwheel with chain
- Body material
- Cast iron GGG40
- Stopper Material
- stainless steel AISI 304
- Maximum allowable temperature
- 110 °C
- Connection type
- Compact flanged
- Control type
- handwheel with chain
- Gate valve type
- Knife Gate Valve
- Nominal pressure
- 16 bar
- Type of seal
- NBR
- 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