EagleBurgmann international
EagleBurgmann WORLDWIDE
With around 250 locations and 90 serve centers, we are represented in the most important economic regions of the world. The advantages are clear: short paths to our customers, fast response times and a shared language.
DF-(P)DGS6
DiamondFace
with intermedia labyrinth
| 1 | Seal face, stationary |
| 2 | Seat, rotating |
| 3 | Thrust ring |
| 4 | Spring |
| 5 | Shaft sleeve and seat retainer |
| 6 | Intermediate sleeve |
| 7 | Housing (adapted in size to the installation space) |
| 8 | "Adjustable" nut for axial misalignment |
| 9 | Split ring |
| 10 | Clamping ring |
| 11 | Cover |
| 12 | Process side labyrinth |
| GBI | Gas Buffer Inlet |
| GBO | Gas Buffer Outlet |
| D | Drain |
DF-(P)DGS6
DiamondFace
Features
- DiamondFace bonded primary seal faces
- Safe cupped retainer for rotating ring
- Fully operational in both liquid and gas phases
- Bi-directional
- Ready-to-fit cartridge unit
- Single, double, tandem and tandem seal with intermediate labyrinth arrangement available
Advantages
- Significantly lower leakage rate compared to competition
- Longer life span
- Wear and contact free operation
- Self-cleaning 3-D gas grooves
- High gas film stiffness
- Proven, reliable and economical solution
- Can be adjusted even to extreme narrow installation space - retrofits are easy to implement
Operating range
D = 25 … 280 mm (0.98" … 11.02")
Pressure: p = 0 … 100 bar (1,450 PSI)
with PTFE option: 0 ... 250 bar (3,625 PSI)
Temperature:
t = -30 °C … +200 °C (-22 °F … +392 °F)
with PTFE option: -100 °C ... +200 °C (-148 °F ... +392 °F)
Sliding velocity:
vg = 0.6 … 140 m/s (2 … 459 ft/s)
For applications outside the operating range mentioned, please inquire.
Materials
Secondary seat and seal face: Silicon carbide with DLC coating
Secondary seals: FKM, PTFE (DF-PDGS6)
Metal parts: 1.4006 and other stainless steels, aluminum
Standards and approvals
- NACE
Recommended applications
- Oil and gas industry
- Refining technology
- Petrochemical industry
- Hydrocarbon applications
- CO2 applications
Notes
Recommended piping plans
Product variants
DF-PDGS6
Similar products
Inquire about individual solutions
We develop and produce customer-specific special and individual solutions for every application.
The Eagleburgmann Group
Sealing technology for plants and machines
EagleBurgmann is one of the worldwide leading providers of industrial sealing technology. Mechanical seals, seal supply systems, magnetic couplings, carbon floating ring seals, expansion joints, gaskets and packings as well as comprehensive services are used wherever reliability and safety are needed.
Mechanical seals and more
Sealing technology by EagleBurgmann is used worldwide in oil and gas industries, refineries, the petrochemical, chemical, and pharmaceutical industries, food processing, energy, water, mining, paper, aerospace, and other industries. Close to 5,800 employees provide their ideas, solutions, and commitment so that customers can rely on our sealing technology.
What makes us stand out is our excellent quality, great innovative capacity, and an extensive product portfolio for nearly all industrial processes and fields of application. Our product portfolio includes everything from mechanical seals and seal supply systems to magnetic couplings, carbon floating ring seals, expansion joints, and gaskets and packings as well as comprehensive services. Since we are part of the German Freudenberg and Japanese EKK group, we have all the necessary resources for a firmly based reliable partnership.