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S Series | Eagle Industry Co., Ltd.

S Series

Slurry Seal

Industrial seals modified and redesigned from seals for track rollers

Hard metal alloy is used as the sliding material, and the seal cover is integrated into the component parts. This design facilitates equipment machining, and eliminates the need to ensure equipment precision.

This series offers seals of relatively large diameters, and is mainly used in large pumps for irrigation, pumps for marine civil engineering, and process pumps for coal liquefaction, etc. The demand for these industrial slurry-resistant seals has been growing.

Feature

Consists of two main parts: O-ring and seal ring. Simple structure minimizing problems and ensuring easy handling

O-ring serves as the packing; rubber elasticity used to provide a spring force; rubber friction ensures anti-rotation

Special nitrile rubber characterized by minimal permanent strain used as the standard O-ring material

Shrink-fit structure employed for the seal ring. Standard materials: highly corrosion resistant stainless steel for the metal parts, and hard metal alloy (characterized by superb corrosion resistance and wear resistance) for the sliding material

Titanium/Silicon carbide structure for special conditions

Can be adopted under positive pressure or under back pressure

Product specification example

Operating range

Pressure: 3 bar (44 PSI) for the seal main unit, 2 bar (29 PSI) including the case

Temperature: 70 ºC (150 ⁰F)

Sliding velocity: 6 m/s (20 ft/s)

Seal liquids

Sealing the movable part in (1) sewerage/food pumps and equipment and (2) large vertical pumps; sealing vertical pump bearings; sealing slurry liquid/single-shaft pumps, etc.

Main applications

Large pumps for irrigation

Pumps for ocean civil engineering

Process pumps for coal liquefaction

Slurry pumps

Applicable ranges shown in the product introduction are limit values for each standard material.

Applicable ranges, performance data and figures can serve only as a guide for selection and therefore in actual use there will be some cases where general specifications cannot be applied due to unknown factors or constraints.

Please check the applicability before use.

The contents are subject to change without notice for improvement.