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Yitong cartridge mechanical seal for pump in chemical industry YT121,YT1220 pages
MECHANICAL SEALS
YT121, 122 Mechanical Seal
For General Service Pump
(comply with EN12756, IS03069, GB6556)
Operating Limits:
1. Pressure: 0~1. OMPa
2. Temperature: -40~220°C.
3. Speed: ^3000r/min _
4. Medium: chemical, liquefied petroleum gas,
weak acid, alkali, salt, contain little kernel.
Design Features:
1.YT121 adopt multiple springs, even face loading.
2.YT122 adopt slide spring, avoid jam.
Material Selection
Seal Component | Material 3 | YT121 | YT122 |
Face | Sic | ||
tungsten cart | ide o | 0 | |
graphite | |||
Spring | CrNi-steel | 0 | 0 |
CrNiMo-steel | V | ||
Seal Ring | FKM | ||
NBR | 0 | 0 | |
PTFE | 0 | 0 | |
Metal Parts | CrNi-steel | ||
CrNiMo-steel | 0 | 0 |
Note: 1. V preferred material.
2. "o" optional material. It is determined
according to the actual requirements.
3. For material not listed, please contact
for special design inquires.
us
II
MECHANICAL SEALS
YT121 multiple spring structure drawing
Size For Seal Seats(mm)
II
13
"
