High-Performance Back-to-Back Arrangement Double Cartridge Mechanical Seal
Our Back-to-Back Arrangement Double Cartridge Mechanical Seal is engineered for superior sealing performance in demanding applications. Designed for reliability and ease of installation, this preassembled seal is mounted with a gland plate on a sleeve, ensuring seamless integration over the pump shaft or shaft sleeve in conventional stuffing boxes, regardless of pump type or manufacturer.
This back-to-back configuration provides enhanced sealing efficiency by maintaining a high-pressure barrier between the two seal faces, making it ideal for applications involving hazardous, toxic, or high-pressure media. The design ensures optimum leakage control, preventing process contamination and improving equipment longevity.
For maximum performance, the seal must be installed at its correct operating length and positioned precisely within the housing on a clean surface. The cartridge construction simplifies handling, allowing for quick installation and easy removal, reducing downtime and minimizing the need for skilled labour.
With its robust and reliable design, our Back-to-Back Arrangement Double Cartridge Mechanical Seal delivers an efficient, long-lasting sealing solution for critical industrial processes.
Features;
- Double Seal: Ensures enhanced sealing reliability and leakage prevention.
- Cartridge Construction: Preassembled design for easy installation and removal.
- Available in Metric and Inch Sizes: Compatible with different pump specifications.
- Quick Installation & Easy Removal: Reduces downtime and simplifies maintenance.
- Flushing & Quenching Connections: Enhances cooling, lubrication, and seal longevity.
- Multiple & Wave Spring Type: Suitable for various applications and operating conditions.
- Factory Assembled & Tested: Guarantees quality, reliability, and performance consistency.
- Independent of Shaft Rotation Direction: Offers versatile application across different pump types.
- Rotating Multiple Spring Design: Ensures uniform pressure distribution for improved sealing efficiency.
- Back-to-Back Arrangement: Maintains a high-pressure barrier, ideal for hazardous and high-pressure applications.
Specification;
| Application | Suitable for food, pulp and paper, petrochemical, pharmaceutical, oil and gas, fertilizer, chemical, steel, mining, sugar and distillery plants, as well as refining, power, water and wastewater processes, on process pumps, API pumps and other rotating equipment. | |
| Materials | Faces | Carbon / Ceramic / Silicon Carbide / Tungsten Carbide |
| Secondary Seals | FKM (Viton) / EPDM / Aflas / EPR / Neoprene / FFKM (Kalrez) / PTFE / TTV | |
| Hardware | SS 304 / SS 316 / Duplex / Hastelloy C-276 / Alloy 20 / Titanium | |
| Operating Limits | Size | 20.0 mm to 300.0 mm (0.750” to 12.000”) |
| Pressure | 40 bars (580 psi) | |
| Temperature | -40 °C to +220 °C (-40 °F to +428 °F) | |
| Speed | 2900 rpm | |









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