Categories
- Conical Spring Mechanical Seals
- Parallel Spring mechanical Seals
- Multiple Spring mechanical Seals
- Wave Spring Mechanical Seal
- Metal Bellows mechanical seal
- Cartridge mechanical seal
- PTFE-Bellows Seal
- Parallel Spring Diaphragm Mechanical Seal
- Elastomeric Bellows mechanical seal
- Brand Pump Seals-General Industrial
- Brand Pump Seals-Food and Beverage Industry
- Stationary seat Type
![TG669](https://icdn.tradew.com/file/202210/1575589/png/8057085.png?x-oss-process=image/resize,m_pad,l_600/quality,Q_90)
TG669
John Crane Type 669 series replacement
welded metalThe Type TG669 series seal is a welded metal bellowsrotating seal with 45°C bellow design which makes the stress distribution more reasonable and flexibility, toensure seals has advantages of reliable sealing and good matching property. The seal has excellent dynamic performance and has a wide range of applications.
welded metalThe Type TG669 series seal is a welded metal bellowsrotating seal with 45°C bellow design which makes the stress distribution more reasonable and flexibility, toensure seals has advantages of reliable sealing and good matching property. The seal has excellent dynamic performance and has a wide range of applications.
Detail Information
Features
Welded metal bellows
Bi-directional
Balanced
0-ing auxiliary seal
Comply with APl682 requirements
Available with DOUBLE-PLY Bellows
TG669 seal, equivalent to Type 609
Recommended Applications
Refining technology, Oil and gas industry
Process industry
Pumps
Special Rotating Equipment.
Operating range
Shaft diameter: d1=1.000"...4.000"
Pressure: p=0...2.5Mpa(362.5psi)
Temperature: t = -75°C ...400 °C(-100°F to 752°F)-TG669M
t = -20 °C ...220 °C(-4°F to 428°F)-TG669T
Sliding velocity: Vg≤25m/s(or Vg≤5,000rpm)(82ft/s))
Notes: The range of preesure,temperature and sliding velocity is depend on seals combination materials
Product Structure
![](https://icdn.tradew.com/file/202210/1575589/png/8050403.png?x-oss-process=image/quality,Q_90)
Combination Materials
1.BELLOWS
AM350 T8 inconel 718 M6
2.SEAL FACE
Carbon graphite AD
antimony impreg Sintered Silicon O1
Sintered Silicon O1 Carbide SSIC
Carbide SSlC
3.AUXILIARY SEAL
Flexible Graphite G Flexible Graphite G
4.ROTARY HEAD
Alloy 42 T4 All0y 42 T4
5.METAL PATRTS
CrNiMo-steel G All0y 625 T3
6.APPLICATION
Mildly corrosive medium Corrosive medium
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