Project Description
RTWT80
EagleBurgmann MFL WT80 series replacement
Welded metal bellows mechanical seals Type RTWT80 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.
Features
Welded metal bellows construction, Balanced, Independent of direction of rotation.
Extreme temperature Resistance due to flexible Graphite material in auxiliary Seal
Dimensional data conform with DIN24960 standard
Recommended Applications
Refining technology, Oil and gas industry
Extreme ranges of temperature and high-viscosity media
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 …400 °C(-4°F to 752°F)
Sliding velocity: Vg≤15m/s(49.2ft/m)
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
Exfoliated Graphite G
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.Metal Parts
Stainless Steel (SUS304) F
Stainless Steel (SUS316) G
4J42 T4