We have established a strong reputation as a leading name in the field, recognized for delivering high-quality Split Mechanical Seals.
Our Split Mechanical Seals are engineered for convenience and performance—they can be installed without disassembling the equipment. Simply align and clamp the two halves over the shaft, and install the unit like a standard cartridge seal. These seals are uniquely designed to be fully pressure-tested at the factory before dispatch, ensuring leak-free performance and reliability. Additionally, they offer a straightforward upgrade path, allowing easy conversion of packed pumps into fully sealed systems.
Type SPT770 features a compact and innovative design, utilizing a minimal number of components to simplify assembly and drastically reduce installation time. The integrated finger plate spring ensures consistent face loading, maintaining uniform contact across sealing surfaces. The balanced seal face is supported by a split O-ring, which acts as an effective secondary sealing element. The seal housing is designed with standardized mounting slots, allowing compatibility across a range of equipment with varying Pump Shaft Dimensions (PSDs), thereby enhancing interchangeability and reducing inventory complexity.
Key Features;
- Hydraulically Balanced Seal Faces: Reduces axial load on seal faces, minimizes wear, and extends seal life.
- Single Seal Configuration: Compact and efficient sealing solution for a wide range of industrial applications.
- Semi-Cartridge Design: Offers easy handling and installation while maintaining alignment and sealing integrity.
- Independent of Shaft Rotation Direction: Functions efficiently in both clockwise and counter-clockwise shaft rotations.
- Quick Installation & Easy Removal: No need to remove motors, couplings, or bearings—saving both time and labour.
- Precision Machining & Finish: Guarantees a perfect seal fit and finish for optimal operation and leak prevention.
- Field Repairable: Designed for convenient in-field maintenance and replacement of components, reducing service costs.
- High Mechanical Strength: Constructed from durable materials for reliable performance in high-load environments.
- Fully Split Components: Enables installation and removal without disassembling the equipment, significantly reducing downtime.
- Designed for Large Equipment: Engineered to handle the operating challenges of large-scale pumps, agitators, and mixers.
- Stationary Multiple Spring Arrangement: Provides uniform pressure distribution and accommodates shaft misalignment or deflection.
- Finger Plate Spring Design: Ensures consistent axial force across the sealing faces, improving face contact, reliability, and sealing performance.
Specification;
| Application |
Split mechanical seals are ideally suited for large, difficult‑to‑dismantle rotating equipment, including turbines, agitators, mixers and large pumps handling condensate, process water, river and surface water duties. They are widely used in pulp and paper, food processing, power generation, wastewater treatment, mining and other demanding process industries where fast seal replacement without stripping the equipment is a major advantage. |
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| Materials | Faces | Carbon / Ceramic / Silicon Carbide |
| Elastomers | Nitrile (NBR) / Viton (FKM) / EPDM | |
| Hardware | SS 316 / Hastelloy C | |
| Operating Limits | Size | 35.0 mm to 300.0 mm (1.375” to 12.000”) |
| Pressure | 10 bars (145 psi) | |
| Temperature | -40 °C to +150 °C (-40 °F to +302 °F) | |
| Speed | 2900 rpm | |






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