Description
Butterfly valves DNOVA 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.
Pneumatic valve DNOVA 4V320-08 220V is used to change the direction, start, stop the compressed air flow in the pneumatic system depending on the external control action.
The DNOVA APL-410N EX limit switch unit is an electrotechnical device designed to open and close the working circuit and to visualize the positions of the shut-off device of pipeline valves. In a sealed box, as a rule, there are two mechanical switches designed for voltage up to 250 V, which monitor the position of the actuator stem and signalize in extreme positions. They are mounted on top of the actuator surface. In the upper part of the limit switch unit there is a two-color visual indicator hemisphere. If the connected pipe fitting is closed, only the red part of the hemisphere labeled CLOSED is visible; if it is open, only the yellow part labeled OPEN is visible. This visual indicator is clearly visible from a distance, which simplifies the inspection of the equipment, and the color difference between the open and closed position reduces the probability of misinterpretation of information. Thanks to the use of limit switch units it becomes possible to transmit information on the position of pipeline valves (open/closed) to automated control systems, which allows to increase the reliability of the system as a whole and simplifies diagnostics in case of malfunction detection.
The AFC2000 air treatment unit is designed to purify compressed air from dripping moisture and solid particles, remove condensate, automatically maintain pressure at a preset level, supply lubricant from a reservoir in the compressed air stream to pneumatic system elements with a large capacity range from 500 liters/minute to 10,000 liters/minute. The lubricator adds oil with a viscosity of 32 mm²/s (=cSt) at 40°C to the pneumatic system for further lubrication of control components such as pneumatic cylinders and pneumatic valves.
Technical parameters of butterfly valve DNOVA WBV3232P-2W-Fb-H, body material - stainless steel AISI 316L, disk material - stainless steel AISI 316L, seal - PTFE, with pneumatic actuator double action PA-DA-105-1, 4V320-08 220V, limit switch unit APL-410N Ex, ATU AFC2000:
|
Parameter |
Value |
|
Nominal pressure PN, bar |
16 |
|
Working medium temperature, °C |
From -29 to 180 |
|
Connection to pipeline |
Interflanged |
|
Type of valve |
Rotary disc |
|
Type of control |
Pneumatic actuator |
|
Country of manufacture |
China |
Table of parts and materials of butterfly valve DNOVA WBV3232P-2W-Fb-H, body material - stainless steel AISI 316L, disk material - stainless steel AISI 316L, seal - PTFE, with pneumatic actuator double action PA-DA-105-1, 4V320-08 220V, limit switch unit APL-410N Ex, ATU AFC2000:
| № | Name | Material |
| 1 | Housing | WCB steel or AISI 316L stainless steel |
| 2 | Cuff | EPDM, PTFE, NBR |
| 3 | Disc | AISI 316L stainless steel |
| 4 | Rod | SS 416/2Cr13 stainless steel |
| 5 | Pin | AISI 316L stainless steel |
| 6 | Bushing | EPDM |
| 7 | Sealing ring | EPDM |
| 8 | Fixing plate | carbon steel |
Technical parameters of pneumatic valve DNOVA 4V320-08 220V:
|
Parameter |
Value |
|
Type of pneumatic distributor |
Spool valve |
|
Model of pneumatic distributor |
4V320-08 220V |
|
Operating pressure, bar |
1.5 ÷ 8 |
|
Supply voltage, V |
220V |
|
Operating frequency, cycles/sec |
5 |
Technical parameters of limit switch units DNOVA APL-410N EX
| Name | Value |
| Model of limit switch unit | APL-410N EX |
| Service life, years | 10 |
Table of parts and materials for limit switch unit DNOVA APL-410N EX:
|
№ |
Part name |
Material |
|
1 |
Visual indicator |
ABS plastic / polycarbonate |
|
2 |
Visual indicator cover |
Polycarbonate |
|
3 |
Label |
- |
|
4 |
Cover screws |
Stainless steel |
|
5 |
Enclosure cover |
Pressure die-cast aluminum |
|
6 |
Shaft |
Stainless steel |
|
7 |
Limit switches |
- |
|
8 |
Cams (eccentrics) |
Polycarbonate |
|
9 |
Body |
Pressure die-cast aluminum |
|
10 |
Terminal block |
- |
|
11 |
Grounding terminal |
Stainless steel |
|
12 |
Hole (thread) for cable entry |
- |
|
13 |
Bracket |
Stainless steel |
Main parameters of the air treatment unit DNOVA AFC2000:
|
Parameter |
Value |
|
Operating pressure, bar |
8 |
|
Maximum pressure, bar |
10 |
|
Adjustable pressure range, bar |
0.5 ÷ 9 |
|
Burst pressure, bar |
15 |
|
Air connection |
1/4" |
|
Operating temperature, °C |
From -5 to +60 |
|
Size of filtered particles, µm |
40 |
|
Oil viscosity |
ISO VG 32 |
|
Weight, kg |
0.395 |
|
Set composition |
Filter-moisture separator, pressure regulator, lubricator, bracket |
Passports and certificates
Data sheet for DNOVA DA/SA double-acting pneumatic actuator with return springs
Specifications
Delivery
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