How it works
Electric quarter-turn actuator
Butterfly disc
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
Butterfly valves are designed for use as shut-off or regulating valves for flow control in heat supply systems, water supply systems, in technological processes of food, chemical, oil and gas, pulp and paper and other industries.
Technical parameters of DNOVA GGG50-GGG40-EPDM water disc gate valves, body material - cast iron GGG50, disk material - cast iron GGG40, seal - EPDM, with electric actuator QT-W (M) EX 380V:
| Parameter | Value |
| Nominal diameter DN, mm | 40 - 300 |
| Nominal pressure PN, MPa (kg/cm2) | 1,6 (16) |
| Flow direction | bilateral |
| Maximum temperature of working medium t, °C | Up to +110 |
| Working medium | cold and hot water, air without oil and grease, stationary conditioning, slightly aggressive media, other media neutral to the material”. Material |
| Control type | Bare stem (without handle) / with handle / with electric actuator / with gearbox electric actuator / with gearbox |
Gate valve GGG50-GGG40-EPDM electric actuator QT-W (M) EX 380V
Overall and installation dimensions of DNOVA GGG50-GGG40-EPDM water disk gate valves, body material - cast iron GGG50, disk material - cast iron GGG40, seal - EPDM, with electric actuator QT-W (M) EX 380V:
| DN | Drive model | A, mm | H, mm | D, mm | L, mm | L1, mm |
| 40 | QT-W (M)-005 | 105 | 281 | Ø 120 | 215 | 310 |
| 50 | QT-W (M)-005 | 161 | 281 | Ø 120 | 215 | 310 |
| 65 | QT-W (M)-005 | 175 | 281 | Ø 120 | 215 | 310 |
| 80 | QT-W (M)-005 | 181 | 281 | Ø 120 | 215 | 310 |
| 100 | QT-W (M)-010 | 200 | 281 | Ø 120 | 215 | 310 |
| 125 | QT-W (M)-010 | 213 | 281 | Ø 120 | 215 | 310 |
| 150 | QT-W (M)-010 | 226 | 281 | Ø 120 | 215 | 310 |
| 200 | QT-W (M)-030 | 260 | 276 | Ø 180 | 270 | 350 |
| 250 | QT-W (M)-040 | 292 | 276 | Ø 180 | 270 | 350 |
| 300 | QT-W (M)-060 | 337 | 300 | Ø 250 | 311 | 410 |
Sketch of gate DNOVA GGG50-GGG40-EPDM with electric actuator QT-W (M) EX 380V
Materials of parts DNOVA GGG50-GGG40-EPDM water disk gate valves, body material - cast iron GGG50, disk material - cast iron GGG40, seal - EPDM, with electric actuator QT-W (M) EX 380V:
| № | Name | Material |
| 1 | Body | Cast iron GGG50 |
| 2 | Disk | High-strength cast iron |
| 3 | Seat seal | EPDM |
| 4 | Upper stem | AISI 420 steel |
| 5 | Lower stem | AISI 420 steel |
| 6, 11 | ring retaining ring | AISI 201 steel |
| 7 | Duster | NBR |
| 8 | Gasket stem | NBR |
| 9 | Shaft gasket | AISI 201 steel |
| 10 | Plug | plastic |
Detail sketch of gate valves GGG50-GGG40-EPDM with electric actuator QT-W (M) 380 V
Characteristics of actuators DNOVA QT-W (M) EX 380V:
| Drive model | Torque, | Cycle time, | Power, |
| Nm | sec | W | |
| QT-W (M)-005 380V | 50 | 30 | 25 |
| QT-W (M)-010 380V | 100 | 30 | 30 |
| QT-W (M)-015 380V | 150 | 30 | 40 |
| QT-W (M)-020 380V | 200 | 30 | 50 |
| QT-W (M)-030 380V | 300 | 30 | 60 |
| QT-W (M)-040 380V | 400 | 30 | 90 |
| QT-W (M)-060 380V | 600 | 30 | 120 |
| QT-W (M)-120 380V | 1200 | 30 | 180 |
| QT-W (M)-180 380V | 1800 | 30 | 250 |
| QT-W (M)-300 380V | 3000 | 60 | 370 |
| QT-W (M)-500 380V | 5000 | 60 | 550 |
| Drive model | Current, | Weight, | Stem size square, |
| A | kg | mm | |
| QT-W (M)-005 380V | 0,35 | 7,6 | 17x17 |
| QT-W (M)-010 380V | 0,48 | 7,8 | 17x17 |
| QT-W (M)-015 380V | 0,55 | 8 | 17x17 |
| QT-W (M)-020 380V | 0,65 | 12,7 | 22x22 |
| QT-W (M)-030 380V | 0,75 | 12,8 | 22x22 |
| QT-W (M)-040 380V | 0,95 | 13 | 22x22 |
| QT-W (M)-060 380V | 1,1 | 21,2 | 27x27 |
| QT-W (M)-120 380V | 1,3 | 23,2 | 27x27 |
| QT-W (M)-180 380V | 1,5 | 23,5 | 27x27 |
| QT-W (M)-300 380V | 1,6 | 37,5 | 36x36 |
| QT-W (M)-500 380V | 1,7 | 38 | 36x36 |
Wiring diagram for actuator QT-W (M) EX 380V
- Body material
- Cast iron GGG50
- Maximum allowable temperature
- 110 °C
- Connection type
- Compact flanged
- Control type
- Electric actuator
- Nominal pressure
- 16 bar
- Type of seal
- EPDM
- Coating type
- epoxy powder
- Disc material
- Cast iron GGG40
- Actuator cycle time
- 30 sec.
- Explosion-proof
- Yes
- Manual override
- Handwheel
- Type of electric actuator
- Quarter-turn
- Feedback sensor
- No
- Control signal
- ON/OFF
- Rated current consumption
- 0.35 A
- Supply voltage
- 380 V
- Angle of rotation
- 90°
- 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