Specialized Products
John Crane is a recognized innovator in the design, manufacture and supply of engineered components for the mining and mineral processing industry, including:
Slurry Seal — Type 5840: Perfect for general purpose abrasive slurry applications
Heavy-duty Slurry Seal — Type 5860: Built to thrive in harsh slurry environments
Flushless Cartridge Seal — Type 5870: Allows cool and clog-free performance in light slurry applications
Type 37FS and 37FSB: Combats axial run-out and vibration problems
Process Duty Seals — Type 5600 Series: Accommodates severe O-ring expansion in harsh environments
Heavy-duty Cartridge Seal — Type SB1/SB2: SB1 is intended for typical mining and mineral industry applications; SB2 is optimized for severe applications
Light Slurry Seal — Type FFET: Ideal for abrasive and crystallizing duties
Type 4111: Suitable for use with aqueous solutions, engineered to reduce installation times, lower maintenance costs and optimize equipment performance
Styles K1730 and K1771: Constructed of high-tensile strength, abrasion-resistant fibers for excellent chemical resistance, dimensional stability, resilience and conformability
Style 1345: Constructed of abrasion- and chemical-resistant fibers that accommodate a wide range of abrasive and slurry services, temperatures, pressures and shaft speeds
Styles C1064 and 1993: Ideal for abrasive services where packing extrusion and sleeve or shaft wear are a concern
Style 1340: Cost-effective, general service graphited packing designed to handle a wide range of fluids at moderate to high temperatures, pressures and shaft speeds
Style 1335: Cost-effective, general-service packing constructed of the highest-quality synthetic fibers and lubricants
A Series: Urethane element couplings known for quick installation without moving prime mover or driven equipment
L Series: Designed for demanding industrial applications with a scalloped hub for the shaft
SafeJet — Automatic Seal Water Filter: Includes self-cleaning micro filter
Safeunit™ Ultima: Controls and monitors seal water flow
SmartFlow: Reduces up to 97% of seal water usage
Mining and Minerals Services
John Crane services can help extend the life of mining and mineral applications and increase production by limiting unplanned downtime and identifying opportunities for improvement:
John Crane Equipment Service assists with critical systems checks and plant equipment maintenance as well as repair, removal and reinstallation services.
John Crane Reliability Support services assess equipment reliability and performance, analyze root cause failures and recommend strategies for improvement.