In pumps and units, sealed with petroleum products, liquefied hydrocarbon gases, fluids containing harmful chemical substances.
Most effective in cases when buffer fluid must not escape into working media. Tandem seals (YTD) are used at working medium temperatures up to 200°C; tandem seals with a cooling unit (YTTX) are used at working medium temperatures up to 400°C.
Seal type |
Shaft diameter, mm |
Shaft speed, Rpm |
Temperature of sealed medium, °C |
Pressure of medium, MPa |
Maximal leakage, l/h |
||||
Min |
Max |
Min |
Max |
Min |
Max |
Min |
Max |
||
YTD |
30 |
200 |
30 |
3000 |
-35 |
200 |
0,1 |
10 |
0,002 |
YTTX |
30 |
200 |
30 |
3000 |
-35 |
400 |
0,1 |
10 |