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

TG685
EagleBurgmann Type MFL85N series replacement
- Welded metal
- bellows mechanical seals Type TG685 is a
- high parameter seal,
- used in corrosive media and large friction
- coefficient media.
- With good floatability and random
- compensatory, widely
- used in petrochemical industry, sewage
- treatment industry
- and paper industry.
Detail Information
Features
Welded metal bellows construction,Balanced, Independent of direction of rotation
Bellows not only used as elastic component, but also has good torque transmission effect
No dynamically loaded O-Ring
Dimensional data conform with DIN24960 standard
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 = -20 °C ...220 °C(-4°F to 428°F)
Sliding velocity: Vg≤15m/s(49.2ft/m))
Notes: The range of preesure,temperature and sliding velocity is depend on seals combination materials
Product Structure

Combination Materials
1.Rotary Face
Silicon carbide (RBSIC) O
Carbon graphite resin impregnated Ak
Tungsten carbide W1
2.Stationary Seat
Silicon carbide (RBSIC) O
Tungsten carbide W1
3.Elastomer
Fluorocarbon-Rubber (Viton) V
Ethylene-Propylene-Diene (EPDM) E
PTFE Enwrap Viton M1
4.Bellows
Alloy C-276 M4
Stainless Steel (SUS316) G
AM350 Stainless Steel T6
Alloy 20 M3
5.Parts
Stainless Steel (SUS304) F
Stainless Steel (SUS316) G
4J42 T4
Stationary Seat
Alternatives Stationary Seat: T4G9
T4G9 equivalent to Burgmann G9

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