The Burkert Type 6407 piston valve is a servo-assisted piston valve. The fix coupling between pilot valve and piston provides an opening of the valve without pressure difference. As a piston valve, the Type 6407 is particular suitable for media such as gas and steam. As well as liquids with low operating temperature below 0°C.
The stopper and the core guide pipe are welded together to enhance pressure resistance and leak-tightness. Various seal material combinations are available depending on the application. The coils are moulded with chemically resistant epoxy.
To reduce power consumption in operation, coils with “Kick and Drop” (KD) electronics (double coil technology) are available. In combination with a plug acc. to DIN EN 175301-803 Form A, the valves satisfy IP65 degree of protection. This product can be combined with Cable Plug DIN EN 175301-803 – Form A Type 2518 and Timer Type 1087
Specifications
Features
- Servo-assisted piston valve up to DN50 orifice
- Safe opening with hard-coupled piston system without differential pressure
- Vibration-resistant, push-over coil system
- Explosion-proof versions
- Energy-saving double coil technology with kick and drop design
Specifications
Technical Data
| Orifice | DN13-DN50 |
| Body material | Brass |
| Coil material | Epoxy |
| Coil insulation class | H |
| Seal material | PTFE/graphite |
| Media | Neutral gases and liquid media (e.g. compressed air, water, hydraulic oil) hot water and steam |
| Media temperature | |
| Standard | |
| PTFE + Graphit | 40 to 150 °C |
| PTFE + FKM | -10 to 120 °C |
| Steam version | |
| PTFE + Graphit | 0 to 150 °C |
| PTFE + FKM | 0 to 120 °C |
| ATEX/IECEx version | -10 to 90 °C |
| Ambient temperature | |
| Standard | |
| PTFE + Graphit | -40 to 45 °C |
| PTFE + FKM | -10 to 55 °C |
| Steam version | |
| PTFE + Graphit | 0 to 45 °C |
| PTFE + FKM | 0 to 55 °C |
| ATEX/IECEx version | -10 to 40 °C |
| Viscosity | Max. 21 mm2 /s |
| Voltage tolerance | ±10% |
| Duty cycle | 100% continuous rating; |
| KD coil max. 6 switching cycles/minute | |
| Electrical connection | Cable plug for cable Ø 7 mm, acc. to DIN EN 175301-803 Form A (not included in delivery) |
| Protection class | IP65 with cable plug |
| Installation | As required, preferably with actuator upright |
Download Datasheet: Burkert Type 6407 Servo-assisted 2/2-way Piston Valve
Reference : burkert-usa.com
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