How it works
Multi-turn electric actuator
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
Applications
Media and industries
- Viscous Media
- Waste Water
- Water
- Liquid Media
- Powder And Crystallized Media
Knife Gate Valve DNOVA PSI232 Class 125 NBR Wafer type, Cast Iron, Bidirectional, with DNOVA-MT-50 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. HydraulicA 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 Class 125 NBR Wafer type, Cast Iron
| Parameters | Values |
|---|---|
| Brand | DNOVA |
| Nominal diameter | 50-200 mm |
| Nominal pressure | 16 bar |
| Operating medium | Viscous media, wastewater, industrial water, liquid media, powdery and crystallized media |
| Control type | Electric actuator |
| Country of origin | China |
Overall and installation dimensions of knife gate valves DNOVA GVKN1331N-2W-Fb-ISO Class 125 NBR Wafer type, Cast Iron
| DN | L | D | D1 | D2 | N-Th | d | H | Weight | Type ISOF |
| mm | kg | ||||||||
| 50 | 50 | 165 | 125 | 99 | 4-M16 | Ø18 | 342 | 7 | F10 |
| 65 | 50 | 185 | 145 | 118 | 4-M16 | Ø18 | 351 | 8 | F10 |
| 80 | 50 | 200 | 160 | 132 | 8-M16 | Ø18 | 397 | 10 | F10 |
| 100 | 52 | 220 | 180 | 156 | 8-M16 | Ø18 | 443 | 13 | F10 |
| 125 | 58 | 250 | 210 | 184 | 8-M16 | Ø18 | 480 | 18 | F10 |
| 150 | 60 | 285 | 240 | 211 | 8-M20 | Ø23 | 510 | 23 | F10 |
| 200 | 72 | 340 | 295 | 266 | 12-M20 | Ø23 | 600 | 31 | F10 |
| 250 | 72 | 405 | 355 | 319 | 12-M24 | Ø27 | 723 | 52 | F14 |
| 300 | 80 | 460 | 410 | 370 | 12-M24 | Ø27 | 805 | 64 | F14 |
Table of parts and materials for knife gate valves DNOVA GVKN1331N-2W-Fb-ISO Class 125 NBR Wafer type, Cast Iron
| No. | Part Name | Material |
|---|---|---|
| 1 | Body | Cast iron GGG40 |
| 2 | Seat seal | Nitrile NBR |
| 3 | Knife | Steel AISI304 |
| 4 | Packing gland | PTFE |
| 5 | Gland | Carbon steel WCB |
| 6,7,10,13 | Bolt | Steel AISI201 |
| 8,16 | Nut | Steel AISI201 |
| 9 | Nut | Cast iron |
| 11 | Support plates | Steel A3 |
| 12 | Stem | Steel 2Cr13 |
| 14 | Bearing cover | Steel A3 |
| 15 | Bearing | ZChSnSb10-6 |
| 17 | Gasket | Nitrile NBR |
Main parameters of actuators DNOVA MT 380V
| Actuator Model | MT-50 | MT-100 | MT-200 | MT-300 |
|---|---|---|---|---|
| Power supply voltage, V | 380 | 380 | 380 | 380 |
| Motor power, W | 100 | 100 | 120 | 150 |
| Torque, Nm | 50 | 100 | 200 | 300 |
| Speed, rpm | 5 | 5 | 5 | 5 |
| Maximum actuator rotations | 50 | 50 | 50 | 50 |
| Maximum valve stem diameter, mm | 16 | 18 | 22 | 25 |
| Weight, kg | 10 | 10 | 10 | 10 |
| Enclosure protection degree | IP67 | IP67 | IP67 | IP67 |
| Ambient temperature, °C | from -28 to +60 | from -28 to +60 | from -28 to +60 | from -28 to +60 |
| Thermal protection activation temperature, °C | 110 | 110 | 110 | 110 |
| Redundancy | Hex key | Hex key | Hex key | Hex key |
| Installation angle | Arbitrary | Arbitrary | Arbitrary | Arbitrary |
| Body material | Aluminum alloy | Aluminum alloy | Aluminum alloy | Aluminum alloy |
| ISO-flange type | F10/F12 | F10/F12 | F10/F12 | F10/F12 |
Dimensions and installation dimensions of the actuator DNOVA MT 380V
| 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
- 16 bar
- Type of seal
- NBR
- Coating type
- Epoxy powder
- Explosion-proof
- No
- Torque
- 50 Nm
- Type of electric actuator
- Multi-turn
- Shaft shape square
- 16х16 mm
- ISO - flange type
- F10,F12
- Supply voltage
- 380 V
- Telescopic rod
- No
- Control column
- No
- Actuator model
- MT-50-380
- 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