How it works
Multi-turn electric actuator
Knife gate
The number that matters
Nominal pressure
10bar
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
- Viscous Media
- Waste Water
- Water
- Liquid Media
- Powder And Crystallized Media
Knife Gate Valve DNOVA PSI145 Class 125 NBR Wafer type, Cast Iron, Bidirectional, with DNOVA-MT-200 380V electric actuator belong to shut-off pipeline valves for industrial use. DNOVA valves can be used to work with such working media as drinking water, waste water, pulp, viscous, powder and crystallized media, and can be installed at industrial and civil heat and water supply facilities, wastewater treatment plants, and production lines. Hydraulic tests of the housing are carried out at a pressure exceeding the operating pressure by 1.5 times. Hydraulic tests of the gland seal and seat seal are carried out at a pressure exceeding the operating pressure by 1.1 times.
Main technical characteristics of knife gate valves DNOVA GVKN1331N-2W-Fb-ISO DN50-200 PN10 interflange, wedge - single-disk, spindle - non-rising, body - cast iron, seal - NBR:
| Parameters | Values |
| Nominal diameter | 50-200 mm |
| Nominal pressure | 10 bar |
| Working environment | viscous media, waste water, industrial water, liquid media, powder and crystallized media |
| Control type | electric drive |
Sketch of dimensions of knife gate valves DNOVA GVKN1331N-2W-Fb-ISO DN50-200 PN10 interflange, wedge - single-disk, spindle - non-rising, body - cast iron, seal - NBR
Overall and installation dimensions of knife gate valves DNOVA GVKN1331N-2W-Fb-ISO DN50-200 PN10 interflange, wedge - single-disk, spindle - non-rising, body - cast iron, seal - NBR:
| DN | L | D | D1 | D2 | N-Th | d | H | stem | Weight | ISO 5211 |
| mm | kg | |||||||||
| 50 | 50±2 | 165 | 125 | 99 | 4-M16 | Ø18 | 342 | Ø16 | 7 | F10 |
| 65 | 50±2 | 185 | 145 | 118 | 4-M16 | Ø18 | 351 | Ø16 | 8 | F10 |
| 80 | 50±2 | 200 | 160 | 132 | 8-M16 | Ø18 | 397 | Ø16 | 10 | F10 |
| 100 | 52±2 | 220 | 180 | 156 | 8-M16 | Ø18 | 443 | Ø18 | 13 | F10 |
| 125 | 58±2 | 250 | 210 | 184 | 8-M16 | Ø18 | 480 | Ø18 | 18 | F10 |
| 150 | 60±2 | 285 | 240 | 211 | 8-M20 | Ø23 | 510 | Ø18 | 23 | F10 |
| 200 | 72±2 | 340 | 295 | 266 | 8-M20 | Ø23 | 600 | Ø22 | 31 | F10 |
| 250 | 72±2 | 395 | 350 | 319 | 12-M20 | Ø23 | 723 | Ø22 | 52 | F14 |
| 300 | 80±2 | 445 | 400 | 370 | 12-M20 | Ø23 | 805 | Ø22 | 64 | F14 |
Sketch of materials of knife gate valves DNOVA GVKN1331N-2W-Fb-ISO DN50-200 PN10 interflange, wedge - single-disk, spindle - non-rising, body - cast iron, seal - NBR
Table of parts and materials of knife gate valves DNOVA GVKN1331N-2W-Fb-ISO DN50-200 PN10 interflange, wedge - single-disk, spindle - non-rising, body - cast iron, seal - NBR:
| No. | Part name | Material |
| 1 | Frame | cast iron GGG40 |
| 2 | Saddle seal | nitrile NBR |
| 3 | Knife | AISI304 steel |
| 4 | Seal packing | PTFE |
| 5 | Seal | carbon steel WCB |
| 6,7,10,13 | Bolt | AISI201 steel |
| 8.16 | screw | AISI201 steel |
| 9 | screw | cast iron |
| 11 | Support plates | steel A3 |
| 12 | Stock | steel 2Cr13 |
| 14 | Bearing cap | steel A3 |
| 15 | Bearing | ZChSnSb10-6 |
| 17 | Pad | nitrile NBR |
Main parameters of electric drives DNOVA MT 220V:
| Electric drive brand | MT-50 | MT-100 | MT-200 | MT-300 |
| Supply voltage, V | 220 | |||
| Electric motor power, W | 100 | 100 | 120 | 150 |
| Torque, Nm | 50 | 100 | 200 | 300 |
| Speed, rpm | 5 | |||
| Maximum drive speed | 50 | |||
|
Maximum diameter of the reinforcement rod, mm |
16 | 18 | 22 | 25 |
| Weight, kg | 10 | |||
| Degree of protection of the case | IP67 | |||
| Ambient temperature, °C | from -28 to +60 | |||
|
Temperature of internal thermal protection response, °C |
110 | |||
| Availability of a backup | hexagon | |||
| Installation angle | arbitrary | |||
| Body material | aluminum alloy | |||
| ISO Flange Type | F10/F12 | |||
Image of electric drive DNOVA MT 220V
Sketch of electric drive DNOVA MT 220V
Dimensions and installation sizes of the electric drive DNOVA MT 220V:
| O, mm | 40 |
| A, mm | 149 |
| B, mm | 119 |
| C, mm | 114 |
| D, mm | 200 |
| E, mm | 151 |
| F, mm | 105 |
| G, mm | 117 |
- Body material
- Cast iron GGG40/EN-GJS-400-15
- Stopper Material
- Stainless steel AISI 304/1.4301
- Maximum allowable temperature
- 90 °C
- Connection type
- Compact flanged
- Control type
- Electric actuator
- Operating environment
- Viscous Media, Waste Water, Water, Liquid Media, and Powder And Crystallized Media
- Gate valve type
- Knife Gate Valve
- Nominal pressure
- 10 bar
- Type of seal
- NBR
- Coating type
- Epoxy powder
- Valve feedback
- Limit switches
- Explosion-proof
- No
- Torque
- 200 Nm
- Type of electric actuator
- Multi-turn
- Shaft shape square
- 18х18 mm
- ISO - flange type
- F10,F12
- Supply voltage
- 110/220 V
- Telescopic rod
- No
- Control column
- No
- Actuator model
- MT-200-220
- 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