Dry gas seals Type 28 for compressors has been a standard technical solution for gases sealing within turbomachines since 1970s. For today about 20000 John Crane DGS are operated globally and over 200 million operating hours have been accummulated.
Patented spiral groove shape makes these seals completely non-contacting during operation, that's why DGS is a high-reliable, secure and durable solution for turbomachines sealing.
In 2016 new seal Type AURA™ 220 was launched, it is advanced technology of gas seals of next generation.
ParameterType | Type 28 | AURA™ |
---|---|---|
Temperature, °С | from -140 to 315 | from -50 to 220 |
Speed, m/s | up to 200 | up to 140 |
Pressure, bar g | up to 450 | up to 220 |
Shaft diameter, mm | up to 330 | from 100 to 276 |
This product is available in the markets of Russia, Belarus and Ukraine