In detail
What it is made of
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 DNOVA ggg50-316l-epdm are designed for use as shut-off or regulating valves for flow control in heat and water supply systems, in technological processes of food, chemical, oil and gas, pulp and paper and other industries.
Butterfly valves should be installed only between collar flanges.
Technical characteristics of water butterfly valve DNOVA ggg50-316l-epdm-DNOVA-12, body material - cast iron GGG50, disk material - stainless steel AISI 316L, seal - EPDM, electric actuator operated:
|
Nominal diameter DN, mm |
40–300 |
|
Operating pressure PN, bar |
16 |
|
Working medium temperature t, °C |
From -20 to +90 |
|
Working medium |
Water, mineral oils, hydrocarbons, oils, fats |
|
Flow direction |
Two-way |
|
Connection to pipeline |
Interflange |
|
Body material |
Cast iron GGG50 |
Dimensions of water butterfly valve DNOVA ggg50-316l-epdm-DNOVA-12, body material - cast iron GGG50, disk material - stainless steel AISI 316L, seal - EPDM, electric actuator operated:
| DN | A | B | C | ØD | d | G | CH | Passing section diameter |
| 40 | 105 | 55 | 33 | 75 | 10 | 30 | 9x9 | 50 |
|
DN |
A |
B |
C |
ØD |
d |
G |
CH (stem) |
ISO |
Torque |
Weight |
|
mm |
Nm |
kg |
||||||||
|
50 |
161 |
80 |
43 |
84.5 |
10 |
30 |
9x9 |
F05 |
23 |
2.2 |
|
65 |
175 |
89 |
45 |
104.5 |
10 |
30 |
9x9 |
F05 |
29 |
2.5 |
|
80 |
181 |
95 |
45 |
123.5 |
10 |
30 |
9x9 |
F05 |
39 |
2.9 |
|
100 |
200 |
114 |
52 |
139.5 |
10 |
30 |
11x11 |
F07 |
59 |
3.8 |
|
125 |
213 |
127 |
55 |
169.5 |
10 |
30 |
14x14 |
F07 |
84 |
5.8 |
|
150 |
226 |
139 |
55 |
196 |
10 |
30 |
14x14 |
F07 |
86 |
7.4 |
|
200 |
260 |
175 |
60 |
247 |
12 |
30 |
17x17 |
F10 |
220 |
12.5 |
|
250 |
292 |
203 |
68 |
304 |
12 |
40 |
22x22 |
F10 |
350 |
18.9 |
|
300 |
337 |
242 |
78 |
358 |
12 |
40 |
22x22 |
F10 |
420 |
27.0 |
Material specification of water butterfly valve DNOVA ggg50-316l-epdm-DNOVA-12, body material - cast iron GGG50, disk material - stainless steel AISI 316L, seal - EPDM, electric actuator operated:
|
№ |
Name |
Material |
|
1 |
Body |
Cast iron GGG50 |
|
2 |
Disc |
Steel 316L |
|
3 |
Seat seal |
EPDM |
|
4 |
Upper stem |
Steel 316L |
|
5 |
Lower stem |
Steel 316L |
|
6, 11 |
Retaining ring |
Steel AISI 201 |
|
7 |
Duster |
NBR |
|
8 |
Stem gasket |
NBR |
|
9 |
Bushing |
Steel AISI 201 |
|
10 |
Plug |
Plastic |
Description of DNOVA 220V actuators:
Electric quarter-turn actuators DNOVA are designed for remote and local control of shut-off valves. Widely used in gas, oil, metallurgical and food industries, housing and communal services, etc. with ambient temperature from -20°...+70°C.
Parameters of actuators DNOVA 220V:
|
Actuator model |
Maximum torque, Nm |
Working time, sec |
Power, W |
Current, A |
Weight, kg |
Stem size square, mm |
|
DNOVA-003 |
30 |
20 |
8 |
0,15 |
2,1 |
9 or 11 |
|
DNOVA 003 blue |
30 |
25 |
25 |
0,1 |
1,2 |
11 |
|
DNOVA-005 |
50 |
30 |
10 |
0,25 |
3,6 |
11 or 14 |
|
DNOVA-008 |
80 |
30 |
10 |
0,25 |
3,6 |
11 or 14 |
|
DNOVA-010 |
100 |
30 |
15 |
0,35 |
4,6 |
14 or 17 |
|
DNOVA-030 |
300 |
30 |
45 |
0,31 |
13,4 |
22 |
|
DNOVA-040 |
400 |
30 |
60 |
0,33 |
13,8 |
22 |
|
DNOVA-060 |
600 |
30 |
90 |
0,33 |
14 |
27 |
- Body material
- Cast iron GGG50/EN-GJS-500-7
- Maximum allowable temperature
- 120 °C
- Connection type
- Compact flanged
- Control type
- Electric actuator
- Nominal pressure
- 16 bar
- Type of seal
- EPDM
- Disc material
- Stainless steel AISI 316L/1.4404
- Voltage
- 12V
- Actuator cycle time
- 25s
- Valve feedback
- Limit switches
- Explosion-proof
- No
- Thermal protection
- Yes
- Torque
- 23 Nm
- Pneumatic actuator
- No
- Manual override
- Yes
- Limit switches
- No
- 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.