John Crane Single Spring Elastomer Bellow Mechanical Seals (21, 21T)
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Product details
1. Operational Conditions:
Temperature: -20ºC to +120ºC
Pressure: ≤1.0MPa
Speed: ≤15m/s
2. Materials:
Stationary Ring: Ceramic (Alumina), Silicon Carbide Reaction Bonded, Silicon Carbide Sintered Pressureless, Ni-binder Tungsten Carbide Rotary Ring: Resin Impregnated Carbon Graphite (Furan), Antimony Impreg, Carbon Graphite, Silicon Carbide Sintered Pressureless, Silicon Carbide Reaction Bonded
Secondary Seal: Nitrile (NBR), Ethylene Propylene (EPDM), Fluorocarbon Rubber (Viton)Spring and Metal Parts: Stainless Steel, Stainless Steel
3. Seat Type:
Standard: L04
Alternative: L03, C21
4. Applications: Clean Water, Sewage Water, Oil and other moderately corrosive fluids