
In detail
What it is made of
How it works
Knife gate
Construction
Parts and materials
Gate valve is designed to be installed on the pipeline as a shut-off device and to regulate the flow of working medium in water supply systems (except drinking water supply systems) and chemical industry.
Pneumatic valves are used for control in pneumatic systems with NAMUR docking surface for installation of valves through through holes in the body. Electromagnetic control, is carried out by means of voltage coils 12-AC, 12-DC, 24-AC, 24-DC, 110-AC, 220-AC. Depending on the model, the valves are single- or double-acting. Solenoid operated pneumatic valves have a wide range of models and include common switching types for three (3/2) and five (5/2 and 5/3) line pneumatic valves. They are intended for use with gate valves with pneumatic cylinder. Application is also possible on other pneumatically actuated valves.
Technical characteristics of gate valves DNOVA GVKR1331E-2W-Fb-2P interflanged, with sliding spindle, body - cast iron GGG-40, seal - EPDM
Here’s the translation:
| Name | Value |
|---|---|
| Nominal pressure PN, bar | 10 |
| Type of connection | Flanged |
| Medium | Water |
| Type of control | Pneumatic actuator |
| Application | Water supply, heating, industry |
| Valve type | Gate valve |
| Working medium temperature, °C | From -30 to +110 |
| Country of manufacture | China |
Dimensions and dimensions of gate valves DNOVA GVKR1331E-2W-Fb-2P interflanged, with sliding spindle, body - cast iron GGG-40, seal - EPDM
| Size | DN50 | DN65 | DN80 | DN100 | DN125 | DN150 | DN200 | DN250 | DN300 |
| DN, mm | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
| L, mm | 48 | 48 | 51 | 51 | 57 | 57 | 70 | 70 | 76 |
| D, mm | 165 | 185 | 200 | 220 | 250 | 285 | 340 | 395 | 445 |
| D1, mm | 125 | 145 | 160 | 180 | 210 | 240 | 295 | 350 | 400 |
| D2, mm | 99 | 118 | 132 | 156 | 184 | 211 | 266 | 319 | 370 |
| D0, mm | 100 | 100 | 100 | 100 | 100 | 125 | 125 | 160 | 160 |
| H1 | 445 | 520 | 558 | 675 | 780 | 850 | 980 | 1140 | 1360 |
| G, | 1/2″ | 1/2″ | 1/2″ | 1/2″ | 1/2″ | 1/2″ | 1/2″ | 1/2″ | 1/2″ |
| N - Th | 4 – M16 | 4 – M16 | 8 – M16 | 8 – M16 | 8 – M16 | 8 – M20 | 8 – M20 | 12 – M20 | 12 – M20 |
| T, mm | 12 | 12 | 12 | 12 | 12 | 14 | 16 | 16 | 16 |
| Ød, mm | 18 | 18 | 18 | 18 | 18 | 23 | 23 | 23 | 23 |
| ⬤, mm | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 4 |
| 〇, mm | 2 | 2 | 6 | 6 | 6 | 6 | 6 | 8 | 8 |

Sketch of dimensions and dimensions of gate valves DNOVA GVKR1331E-2W-Fb-2P interflanged, with sliding spindle, body - cast iron GGG-40, seal - EPDM
Table of parts and materials of gate valves DNOVA GVKR1331E-2W-Fb-2P interflanged, with sliding spindle, body - cast iron GGG-40, seal - EPDM
| No. | Details | Material |
|---|---|---|
| 1 | Body | Cast iron GGG40 |
| 2 | Sealing ring | EPDM |
| 3 | Gate | Stainless steel SS304 |
| 4 | Guide seal | PTFE |
| 5 | Packing | PTFE |
| 6 | Packing for gland | Steel WCB |
| 7 | Pin | Steel 45 |
| 8 | Cartridge | Steel WCB |
| 9 | Stem | Steel 2Cr13 |
| 10 | Stand | Steel Q235 |
| 11 | Switch | - |
| 12 | Pneumatic cylinder | - |
| 13 | Solenoid valve | - |
| 14 | Filter | - |

Sketch of parts and materials of slide gate valves DNOVA GVKR1331E-2W-Fb-2P interflanged, with sliding spindle, body - cast iron GGG-40, seal - EPDM
Technical parameters of SC pneumatic cylinders
| Name | Value |
|---|---|
| Model | SC |
| Construction | Double acting |
| Working environment | Compressed air |
| Contamination class | 6 according |
| Damping | Adjustable |
| Operating pressure range (bar) | 1-9 |
| Operating temperature range (°C) | from -5 to +70 |
Dimensions and dimensions of SC pneumatic cylinders
Here’s the translation for your table:
| Model | SC 100x70 | SC 100x85 | SC 100x100 | SC 100x120 | SC 100x145 | SC 125x170 | SC 125x220 | SC 160x270 | SC 200x320 |
|---|---|---|---|---|---|---|---|---|---|
| A, mm | 112 | 112 | 112 | 112 | 112 | 140 | 140 | 180 | 220 |
| A1, mm | 125 | 125 | 125 | 125 | 125 | 155 | 155 | 192 | 260 |
| A2, mm | 70 | 70 | 70 | 70 | 70 | 85 | 85 | 110 | 140 |
| A3, mm | 50 | 50 | 50 | 50 | 50 | 60 | 60 | 80 | 100 |
| A4, mm | 104 | 104 | 104 | 104 | 104 | 130 | 130 | 160 | 226 |
| h3, mm | 10 | 10 | 10 | 10 | 10 | 15 | 15 | 16 | 20 |
| h4, mm | 10 | 10 | 10 | 10 | 10 | 15 | 15 | 16 | 20 |
| N-M, mm | 4-M8 | 4-M8 | 4-M8 | 4-M8 | 4-M8 | 4-M10 | 4-M10 | 4-M12 | 4-M14 |
| n-d, mm | 2-Ø8.2 | 2-Ø8.2 | 2-Ø8.2 | 2-Ø8.2 | 2-Ø8.2 | 2-Ø10.2 | 2-Ø10.2 | 2-Ø12.2 | 2-Ø14.2 |
| B, mm | 112 | 112 | 112 | 112 | 112 | 140 | 140 | 180 | 220 |
| B1, mm | 75±0.5 | 75±0.5 | 75±0.5 | 75±0.5 | 75±0.5 | 95±0.5 | 95±0.5 | 105±0.5 | 105±0.5 |
| B2, mm | 32±0.5 | 32±0.5 | 32±0.5 | 36±0.5 | 36±0.5 | 42±0.5 | 42±0.5 | 48±0.5 | 48±0.5 |
| C, mm | 33 | 33 | 33 | 33 | 33 | 40 | 40 | 50 | 50 |
| D, mm | Ø100 | Ø100 | Ø100 | Ø100 | Ø100 | Ø125 | Ø125 | Ø160 | Ø200 |
| E, mm | 21 | 21 | 21 | 21 | 21 | 30 | 30 | 32 | 40 |
| F, mm | 6.2±0.1 | 6.2±0.1 | 6.2±0.1 | 6.2±0.1 | 6.2±0.1 | 8.2±0.1 | 8.2±0.1 | - | - |
| S, mm | 70±1 | 85±1 | 100±1 | 120±1 | 145±1 | 170±1 | 170±1 | 270±1 | 320±1 |
| H, mm | 96 | 111 | 126 | 146 | 171 | 205 | 255 | 320 | 360 |
| H1, mm | 35±1 | 34±1 | 34±1 | 28±1 | 28±1 | 33±1 | 33±1 | 30±1 | 30±1 |
| H2, mm | 12±0.5 | 12±0.5 | 12±0.5 | 12±0.5 | 12±0.5 | 14±0.5 | 14±0.5 | 23±0.5 | 23±0.5 |
| H3, mm | 24.5±1 | 24.5±1 | 24.5±1 | 24.5±1 | 24.5±1 | 28.5±1 | 28.5±1 | - | - |
| d1, mm | 10.2 | 10.2 | 10.2 | 10.2 | 10.2 | 12.2 | 12.2 | - | - |
| M, mm | - | - | - | - | - | - | - | M27x3 | M27x3 |

Sketch of dimensions and dimensions of SC pneumatic cylinders
Technical parameters of the pneumatic valve DNOVA 4V210-08 KUOIN
| Name | Value |
|---|---|
| Type of Pneumatic Distributor | Spool-type |
| Model of Pneumatic Distributor | 4V210-08 KUOIN |
| Working Pressure, bar | 1.5 ÷ 1.8 |
| Operating Frequency, cycle/sec | 5 |
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