Description
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, ⁰C | from -30 to +110 |
| Working medium | water, slightly contaminated liquids with suspended particles content up to 5% |
| Direction of medium flow | bilateral |
| Tightness class | А |
| 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
Specifications
Delivery
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