About Trafag PK 944/947 Pressostat
The Trafag PK 944/947 Pressostat is a pressure measuring and controlling device designed for industrial applications that require high reliability. With its rugged construction and consistent accuracy, it is ideal for use in extreme environmental conditions. The Trafag PK 944/947 is equipped with modern technology that allows for easy pressure regulation and reliable output, making it the best choice for pressure control in machinery and process systems.
Trafag’s electromechanical pressure switches, also known as pressostats, which can be operated maintenance-free for decades, even under harsh conditions. Various versions with bellows, diaphragm and piston sensors cover a wide range of pressure ranges, media and load profiles for the most diverse applications.
Main Features of Trafag PK 944/947 Pressostat
- Rugged aluminium housing
- Protection IP 65
- Diverse mounting positions
- Durable Construction: Made from high-quality materials such as stainless steel, ensuring resistance to corrosion and harsh environmental conditions.
- High Accuracy: Enables high-precision pressure measurement and control, even at high pressures.
- Flexibility of Settings: Equipped with a clear setting scale, making it easy to calibrate according to application needs.
- Mechanical Micro Switch: Ensures stable operation and long service life.
- Wide Pressure Range: Capable of measuring pressure from low to high, according to specific needs.
- Extreme Temperature Resistance: Can be used in high or low temperature environments.
- International Certifications: Meets CE, RoHS, and other industry standards.
Application of Trafag PK 944/947 Pressostat
- Energy Industry: For pressure control in boilers, turbines, and other power systems.
- HVAC (Heating, Ventilation, and Air Conditioning): Ensures the operation of air and liquid pressurization systems in HVAC systems.
- Process Industry: For pressure monitoring and control in chemical, pharmaceutical, and food process systems.
- Oil and Gas: Used in offshore platform installations, pipeline systems, and storage.
- Water and Sewage Treatment: For pressure control in pumps and filtration systems.
- Heavy Industrial Equipment: Used in heavy machinery that requires accurate pressure control.
Technical Data of Trafag PK 944/947
| More Information | |
| Product code | 944/947 |
| Name | PK |
| Designation | Pressostat |
| Product category | Mechanical pressure switches |
| Measuring range | 1 … 10 to 60 … 600 bar |
| Measuring principle | Piston |
| Applications | Engine manufacturing Hydraulics Machine tools Railways Shipbuilding |
| Approval / conformity | ABS, BV, CCS, DNV-GL, KRS, LRS, RINA EN60730-1/ EN60730-2-6: Type 2.B.H |
| Repeatability | ± 1.0 % FS typ. |
| Output signal | 1 Floating change-over contact (SPDT) |
| Electrical connections | Screw terminal |
| Pressure connections | G1/4″ f, G1/2″ m |
| Media temperature | O-Ring NBR: -30°C … +100°C O-Ring FKM: -15°C … +150°C |
| Ambient temperature | -20°C … +70°C |
Source: trafag.com
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