TNG® Offering the widest range of standard mechanical seal from any compnay anywhere.
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
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
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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