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 standardRecommended 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）
Notes: The range of preesure,temperature and sliding velocity is depend on seals combination materials
Product Structure
Combination Materials
Rotary Face Silicon carbide (RBSIC) O
Carbon graphite resin impregnated Ak
Tungsten carbide W1
Stationary Seat Silicon carbide (RBSIC) O
Tungsten carbide W1
Elastomer Exfoliated Graphite G
Fluorocarbon-Rubber (Viton) V
Ethylene-Propylene-Diene (EPDM) EPTFE Enwrap Viton M1
Bellows Alloy C-276 M4
Stainless Steel （SUS316) G
AM350 Stainless Steel T6
Alloy 20 M3
PartsStainless Steel (SUS304) F
Stainless Steel (SUS316) G
4J42 T4
Stationary Seat
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Standard Seat: T7G9 T4G9 equivalent to Burgmann G9
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