Description
The ball valve is used as a shut-off valve in heat supply systems, water supply systems, in steam, fuel and pneumatic systems with compressed air and neutral gases. Installation of valves of this series is possible in systems transporting liquid and gaseous media (water, oil, oils, steam, air, alcohols, glycol, etc.), non-aggressive to the materials of the valve.
Pneumatic actuators PA-DA are designed to automate the process of controlling industrial shut-off valves - valves, ball valves. Pneumatic actuators DNOVA are designed for use both indoors and outdoors. All internal and external parts have an anti-corrosion coating.
Pneumatic distributors 4V320-08 220V are used for control in pneumatic systems with a NAMUR mating surface, for installing distributors through through holes in the housing.
The DNOVA APL-510N-EX limit switch unit is an electrical device designed to open and close the working circuit and to visualize the positions of the shut-off element of pipeline valves. As a rule, a sealed box contains two mechanical switches rated for up to 250 V, which monitor the position of the actuator rod and signal 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 hemisphere of the visual indicator. If the connected pipeline valve is closed, then only the red part of the hemisphere with the inscription CLOSED is visible; if open, only the yellow part with the inscription OPEN. This visual indicator is clearly visible from afar, which simplifies the inspection of the equipment, and the color difference between the open and closed positions reduces the likelihood of erroneous perception of information. Thanks to the use of the LSU, it Weightomes possible to transmit information about the position of pipeline valves (open/closed) to automated control systems, which increases the reliability of the system as a whole and simplifies diagnostics when faults are detected.
Technical data of ball valves DNOVA BV3232P(3pc)-FP-W-ISO-H PN63/40/25 PA-DA 4V320-08 220V APL-510N Ex
| Nominal diameter DN, mm | 40-200 |
| Working pressure PN, bar | 16 |
| Temperature of working environment t, ⁰C | from -20 to +120 |
| Working environment | cold and hot water, air without impurities of oil and fat, other media neutral to the material |
| Direction of flow | bilateral |
| Body material | cast iron GG25 |
| Control type | manual (handle) |
| Addition | installation of electric or pneumatic drive is possible (ISO 5211-2001) |
Materials of parts of ball valves DNOVA BV3232P(3pc)-FP-W-ISO-H PN63/40/25 PA-DA 4V320-08 220V APL-510N Ex
| No. | Part Name | Material |
| 1 | Cover | Stainless Steel AISI 316 |
| 2 | Seat Seal | PTFE |
| 3 | Ball | Stainless Steel AISI 316 |
| 4 | Stem | Stainless Steel AISI 316 |
| 5 | O-Ring | PTFE |
| 6 | Body | Stainless Steel AISI 316 |
| 7 | Seal | PTFE |
| 8 | Gland | Stainless Steel AISI 304 |
| 9 | Handle | Stainless Steel SS 201 |
| 10 | Nut | Stainless Steel AISI 304 |
| 11 | Screw | Stainless Steel AISI 304 |
| 12 | Nut | Stainless Steel AISI 304 |
Detail sketch of ball valves DNOVA BV3232P(3pc)-FP-W-ISO-H PN63/40/25 PA-DA 4V320-08 220V APL-510N Ex
Sketch of ball valves DNOVA BV3232P(3pc)-FP-W-ISO-H PN63/40/25 PA-DA 4V320-08 220V APL-510N Ex
Overall and installation dimensions of ball valves DNOVA BV3232P(3pc)-FP-W-ISO-H PN63/40/25 PA-DA 4V320-08 220V APL-510N Ex
| D.N. | D | L | H2 | L1 | H |
| 10 | 10 | 63 | 38.9 | 153 | 98 |
| 15 | 15 | 65 | 40 | 153 | 98 |
| 20 | 20 | 75 | 43.9 | 153 | 98 |
| 25 | 25 | 83 | 53 | 153 | 98 |
| 32 | 32 | 98 | 56 | 153 | 98 |
| 40 | 40 | 112 | 60 | 174 | 115 |
| 50 | 50 | 135 | 75 | 174 | 115 |
| 65 | 65 | 175 | 97 | 216 | 135 |
| 80 | 80 | 198 | 112 | 216 | 135 |
| 100 | 100 | 246 | 122 | 216 | 135 |
Technical characteristics of PA-DA pneumatic actuators
| Design | Double action |
| Nominal pressure PN, bar | 12 |
| Working pressure, bar | 2…8 |
| Working environment | Filtered compressed air or non-aggressive gases, oils |
| Maximum particle diameter | less than 30 µm2 |
| Operating temperature t, ⁰C | • from –20 to +80 • from –40 to +80 (low-temperature version) • from –20 to +160 (with dry air) |
| Adjustment range | ±5° for rotation at 0° and 90° |
| Manual duplication | There is |
| Position indicator | open/closed |
| Operating environment | indoors and outdoors. (All internal and external parts have anti-corrosion coating) |
PA-DA pneumatic actuator materials sketch
PA-DA pneumatic actuator parts materials
| No. | Name | Material |
| 1 | Frame | extruded aluminum |
| 2 | Side plugs | cast aluminum |
| 3 | Gear | stainless steel |
| 4 | Piston | steel/aluminum |
| 5 | Plugs | stainless steel |
| 6 | Piston ring | NBR |
| 7 | Springs | spring steel |
| 8 | Piston bearing | engineering plastic |
| 9 | Piston ring | NBR |
| 10 | Plug | NBR |
| 11 | Thrust ring | engineering plastic |
| 12 | Ring | engineering plastic |
| 13 | Washer | stainless steel |
| 14 | Spring clamp | stainless steel |
| 15 | Indicator | plastic |
| 16 | Indicator housing | plastic |
| 17 | Bearing | engineering plastic |
| 18 | Cam | steel |
| 19 | Bearing | NBR |
| 20 | Bearing | engineering plastic |
| 21 | Bearing | engineering plastic |
| 22 | Sealing ring | NBR |
| 23 | Sealing ring | NBR |
| 24 | Bearing | stainless steel |
| 25 | Adjusting nut | stainless steel |
| 26 | Adjustment screw | stainless steel |
| 27 | Sleeve | aluminum |
Technical characteristics of the pneumatic distributor 4V320-08 220V
| Name | Meaning |
| Type of pneumatic distributor | spool valve |
| Body material | aluminum alloy and technopolymer |
| Control | two-way electromagnetic |
| Scheme of work |
5/2 5 working lines; 2 positions |
| Effective cross-sectional area, mm2 |
model 4V320-8 – 25 (Cv = 1.4) model 4V320-10 – 30 (Cv = 1.68) |
| Thread of working ports |
model 4V320-8 – G 1/4" model 4V320-10 – G 3/8" |
| Exhaust port thread |
model 4V320-8 – G 1/4" model 4V320-10 – G 1/4" |
| Working pressure, bar | 1.5 ÷ 8 |
| Maximum pressure, bar | 12 |
| Working environment |
purified air (filtration fineness 40 microns) |
| Supply voltage, V | 220 |
| Full power, VA | 4.5 |
|
Permissible changes in supply voltage |
±10% |
| Degree of protection/insulation class | IP65/F |
| Operating temperature, °C | from -5 to +50 |
| Maximum response frequency | 5 cycles per second |
| Minimum switching time, s | 0.05 |
| Flow rate, l/min |
model 4V320-8 – 1,350 model 4V320-10 – 2,250 |
| Average resource, cycles | 20,000,000 |
| Weight, kg | 1,2 |
Characteristics of the APL-510N-EX limit switch unit
| Parameter | Meaning |
| Frame |
Weatherproof IP67/ NEMA4 4X,7,9 Explosion Proof E EX d IIC T6 |
| Compatible devices |
- quarter-turn pneumatic actuators; - any actuators with a shaft rotation of 90° |
| Full rotation angle | 90° |
| Cable entries | 2 x NPT 3/4” |
| Electrical connection | screw clamp terminals 8 points (0.08 – 2.5) mm2 |
| Cable entry thread | 2 x NPT 3/4” |
| Visual indicator type | two-color hemisphere: OPEN - yellow CLOSED - red |
| Switches/sensors | two mechanical switches two proximity sensors |
| Nominal voltage, V | 250 |
| Rated current, A | 16 |
| Permissible ambient temperature, °C | from -20 to +66 |
| Average resource, cycles | 10,000,000 |
| Weight, kg | 1.8 |
Specifications
Delivery
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