KL-8B1 Mechanical Seal Replacement for John Crane 8B1 - Multiple Spring Design, Balanced Construction, 25 Bar Pressure, 180°C Temperature Range
KL-8B1 mechanical seal is a direct replacement for John Crane 8B1 O-ring pusher seals, featuring multiple spring design and balanced construction for superior performance in demanding industrial applications.
| Parameter | Specification |
|---|---|
| Temperature Range | -20°C to 180°C |
| Maximum Speed | 15 m/s |
| Maximum Pressure | 25 bar |
| Standard Sizes | 1" to 4.0" |
Carbon (Car), Silicon Carbide (SiC), Sintered Silicon Carbide (SSiC), Ceramic, Tungsten Carbide (TC)
NBR, EPDM, and other elastomers
304 Stainless Steel, 316 Stainless Steel, HAST.C
- Multiple spring design for even load distribution
- Balanced seal construction for high-pressure applications
- Direct replacement for John Crane 8B1 seals
- O-ring pusher type for reliable sealing performance
- Drawing confirmation before production
- Raw material quality inspection
- In-process quality control monitoring
- Optical flat testing after lapping
- Dimensional verification of all components
- Static and rotating leakage testing after assembly
- Maximum radial shaft deviation: 0.04mm
- Maximum axial rotor movement: 0.1mm
- Seal face vertical tolerance: 0.04mm maximum
- Complete cleaning of all components before installation
- Proper lubrication and appropriate cooling systems for extreme temperatures
- Fill hermetic compartment with medium before operation to prevent dry friction
Petroleum, chemical processing, refinery operations, paper manufacturing, food processing, pharmaceutical production, textile industry, power generation, and marine applications.
We provide comprehensive repair services and supply spare parts including silicon carbide, tungsten carbide, carbon, ceramic, rubber, and stainless steel components.
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