A New and Advanced Back-to-Back Double Cartridge Design

CarLife^®699™ is an exceptional dual cartridge seal that boasts superior performance. 

Featuring an advanced back-to-back structure and monolithic seal face, enabling it to balance pressure differentials and achieve superior sealing performance. Additionally, the meticulously designed structure on the Gland enhances the flow rate of the buffer fluid, optimizes heat exchange efficiency and facilitating faster heat dissipation, thereby minimizing the risk of overheating. 

With its impeccable design and outstanding features, CL699™ excels in various application domains, delivering remarkable quality and performance.

【Operating Capabilities】

• Temperature:  -40 ~ 230℃ (-40 ~ 446℉)
• Pressure: up to 300psig  (21 kg/cm²G)
• Surface Speed: up to 5000 fpm (20m/s)
  

【Standard Materials】

• Metal Parts: SUS304 / SUS316 / Hastelloy C (C-276) /  Titanium (Ti) / Duplex / Silicon Carbide /  Tungsten Carbide / Other
• Stationary Ring: Carbon Graphite / Silicon Carbide / Tungsten Carbide
• Rotary Ring: Silicon Carbide / Tungsten Carbide
• Secondary seals: FFKM : Chemraz^® / Kalrez^® / SceniRAZ^® / FKM / AFLAS / NBR / EPDM / TV / Hiflour
• Springs: SUS316 / Hastelloy C (C-276) / Inconel

• Dual cartridge seal: Conformed to DIN/ANSI specification and size customizable.
• Advanced back-to-back configuration: Precision structure enables a wider application on a variety of pumps.
• Integral drive structure: Drop-proof springs are pre-installed on the drive structure for quicker repairs, disassembly, and assembly.
• Unwetted Spring Design: Uncontaminated springs, less stress, no corrosion or hang-up condition.
• Self-alignment capability: Tolerates shaft’s greater run-out.
• Dual balance structure: PLAN 52, 53, 54 are available.
• Patented baffle: Effectively guides the inflow and outflow of buffer fluid, improving heat exchange efficiency.
• Special gland deflector structure: Increase the flow rate of the buffer fluid and guide its rapid discharge.
• Special draining design: Accelerated heat dissipation.
• Monolithic seal face: Sealing face not easily deformed, with precise dimensions and excellent resistance to wear.
• High-intensity drive structure (CP ring): Special key-positioned drive structure, ensuring the stability and durability of the seal ring during start-up and under torque even in high hardness material.
• Highly Efficient Pumping Ring: Efficiently optimize the external cooling buffer circulation for better cooling efficiency and improve the MTBF (Mean Time Between Failure), and easy to install.

• DIN/ANSI standard rotating equipment, such as chemical process pumps, vertical pumps and large industrial pumps.
• Suitable for piping plan 52/53/54.
• Capable of handling processes involving acids, bases, corrosive, volatile, toxic, and VOC emissions.
• Widely used in the food and beverage, pharmaceutical, biomass energy, refining, petrochemical, chemical, pipeline transportation, steel, semiconductor industries.