product name:John Crane 1A Replacement Mechanical Seal

For blower pump, diving pump and circulating pump
Replacing the mechanical seal John Crane 1A

product of John Crane 1A Replacement Mechanical Seal


1. Operational Conditions:
Temperature: -20℃ to +120℃
Pressure: ≤1.4MPaSpeed: ≤15m/s

2. Materials:
Stationary Ring: Ceramic (Alumina), Silicon Carbide Reaction Bonded, Silicon Carbide Sintered Pressureless, Ni-binder Tungsten Carbide, Co-binder Tungsten Carbide
Rotary Ring: Resin Impregnated Carbon Graphite (Furan), Antimony Impreg, Carbon Graphite, Silicon Carbide Sintered Pressureless, Silicon Carbide Reaction Bonded, Co-binder Tungsten Carbide, Ni-binder Tungsten Carbide
Secondary Seal: Nitrile (NBR), Ethylene Propylene (EPDM), Fluorocarbon Rubber (Viton)
Spring and Metal Parts: Stainless Steel, Stainless Steel

drawing of John Crane 1A Replacement Mechanical Seal


3. Seat Type:
Standard: TBCT20-1
Alternative: TBT20, TBCT20, TBT21, TBT11

4. Applications: Clean Water, Sewage Water, Oil and other moderately corrosive fluids

size of John Crane 1A Replacement Mechanical Seal