OFS-Type1

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OFS-Type1

Permiting Significant Axial Shaft Motion

The MECO OFS Type-1 seal is a fully-split seal for vacuum, low pressure, fluid and abrasive applications. The design tolerates both runout and thermal growth at moderate speeds. The OFS Type-1 places a single,  stainless steel rotary seal face, spring-loaded against a single, bearing-grade, polymeric stationary seal face. The seal does not require a barrier fluid. A wide selection of materials is available, allowing service in diverse processes. The fully-split seal is custom-designed for existing process equipment or can be tailored to OEM or end-users' wishes.

What is MECO’s OFS Type-1 Seal?

The MECO OFS Type-1 seal is frequently the best, fully-split seal for vacuum, low pressure, and abrasive applications. The design tolerates both runout and thermal growth at moderate speeds. The OFS Type-1 places a single, hardened, stainless steel rotary seal face, spring-loaded against a single, bearing-grade, polymeric stationary seal face. The seal does not require a barrier fluid. A wide selection of materials are available, allowing service in diverse processes. The fully-split seal is custom-designed for existing process equipment or is tailored to OEM or end-users wishes.

When are OFS Type-1 Seals the Best Option?

The OFS Type-1 split seal is ideal for top-entry agitators, crystallizers, dryers, pan mixers, blenders, hoppers and similar rotating equipment used in the petrochemical, plastics, metals, minerals and other process industries. The OFS Type-1 seal is used with top-entering and horizontal shafts. The seal has been used with crystallizers operating at cryogenic temperatures, and in an environment with saturated steam under full vacuum and relatively hot conditions. The seal is often used both to keep process materials inside the vessel and also to keep atmospheric oxygen from entering the vessel. The OFS Type-1 is used in the production of plastic resins and additives, paraxylene, solvent-based ink, VOC vapors and fumes, crystal sugar, industrial chemicals and industrial fermentation processes. Process improvements encompass product and atmosphere containment, product purity, batch time reduction and consistency between batches, extended mean-time-to-repair (MTR), and only two to four hours of installation time once the equipment is prepared. The fully-split assemblies meet chemical compatibility and materials of construction challenges.