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
TG640
Metal Bellow Mechanical Seal
- TG640 Seres mechanical seal featuring welded metal
- bellowsstatic seal, The bellows adopts advanced
- welding technology. 45°C wave design, which makes
- the stress distribution more reasonable and
- flexibility, to ensure seals has advantages of
- reliable sealing and good matching property. The
- structureadopts a static design, which eliminates
- the influence of centrifugal force on the elastic
- element, and is suitable forhigh-speed working
- conditions ; the seal has excellent dynamic
- performance and has a
- wide range of applications.
Detail Information
Features
Welded metal bellows
Static structure
Balanced
Flexible graphite auxiliary seal
Available with DOUBLE-PLY Bellows
TG640 seal, equivalent to Type DBM-B-1
Recommended Applications
Refining technology, Oil and gas industry
Process industry
Pumps
Special Rotating Equipment.
Operating range
Shaft diameter: d1=30...100mm
Pressure: p=0...2.5Mpa（362.5psi）
Temperature: t = -40 °C ...290 °C(-40°F to 554°F)-TG640C
t = -20 °C ...220 °C(-4°F to 428°F)-TG640T
t = -20 °C ...150 °C(-4°F to 302°F)-TG640G
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
CrNiMo-steel G AM350 T8 Hastelloy C-276 M5
2.SEAL FACE
Carbon graphite AD Sintered Silicon O1 Sintered Silicon O1
antimony impreg Carbide SSlC Carbide SSIC
3.AUXILIARY SEAL
PTFE G PTFE G PTFE G
4.ROTARY HEAD
CrNiMo-steel G All0y 42 T4 Hastelloy C-276 M5
5.METAL PATRTS
CrNiMo-steel G CrNiMo-steel G Hastelloy C-276 M5
6.APPLICATION
Non-corrosive medium Mildly corosive medium Corrosive medium
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