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
TG670
John Crane Type 670 series replacement
The Type TG670 series seal is a welded metal bellows rotating seal with 45'c bellow design, which makes the stress distribution more reasonable and flexibility, to ensure seals has advantages of reliable sealing and good matching property. The seal has excellent dynamic performance and has a wide range of applications.
The Type TG670 series seal is a welded metal bellows rotating seal with 45'c bellow design, which makes the stress distribution more reasonable and flexibility, to ensure 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-dire ctional
Balanced
0-ring auxiliary seal
Comply with APl682 requirements
Available with DOUBLE-PLY Bellows
TG670G、TG670Tseals, equivalent to Type 676
TG670Cseal, equivalent to Type 670
Recommended Applications
Refining technology, Oil and gas industry
Process industry
Pumps
Special Rotating Equipment.
Operating range
Shaft diameter: d1=18...100mm(0.750"...4.000")
Pressure: p=0...2.5Mpa（362.5psi）
Temperature: t = -40 °C ...290 °C(-40°F to 554°F)-TG670C
t = -20 °C ...220 °C(-4°F to 428°F)-TG670T
t = -20 °C ...150 °C(-4°F to 302°F)-TG670G
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
CriiMo-steel G AM350 M8 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
FKM V FKM V FKM V
EPDM E FFKM K PEP M1
NBR P FFKM K4.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 corrosive medium Corrosive medium
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