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
Shaft diameter:
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
Primary seat and seal face: Silicon carbide with DiamondFace bonding
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
Recommended applications
Oil and gas industry
Refining technology
Petrochemical industry
Hydrocarbon applications
CO2applications
Service
Provide special design
According to the requirements and conditions for the custom processing
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