Kastas rod seals, piston seals, wipers and guide rings for tractors, combine harvesters, seeding machinery and soil-processing equipment.
Tractors, combine harvesters and seeding and soil-processing machinery work long hours in the sun and in direct contact with soil and field dust; their hydraulic cylinders are exposed to ultraviolet radiation and ozone as well as to the variable loads of harvest season.
For these cylinders, Kastas uses compounds resistant to ultraviolet radiation and ozone and, alongside standard codes, builds custom dimensions and materials for each machine and field condition.
Wheat harvesting with a combine harvester; an example of real agricultural machinery applications.
Some of these seals are made to Kastas's global standard designs, while others are custom-built from a technical drawing for the customer's machine and field conditions.
This arrangement combines rod seal, piston seal, wiper and guide ring for typical agricultural machinery cylinders, with a competitive price, easy installation and protection against soil and dust particles.
This arrangement is designed for operating pressures up to 400 bar and cylinders with heavy radial loads, with a compact design to ISO 7425-1 and low friction at low speeds.
K84The K84 is a double-acting seal for static applications, designed specifically for external sealing.
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K85The K85 is a double-acting cover seal designed specifically for static applications.
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K15The K15 is a two-piece, double-acting seal made of a specially designed polyurethane ring as the sealing element and an O-ring as the energizing element.
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K17The K17 is a two-piece, double-acting piston seal made of a sealing ring of a special PTFE compound and an O-ring as the energizing element.
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K18The K18 is a compact, five-piece, double-acting seal with the following components: 1. a main sealing ring of nitrile rubber (NBR), 2. two polyester back-up rings, one on each side, to…
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K46The K46 is a compact, four-piece, double-acting sealing assembly consisting of: 1. a polyurethane (PU) sealing ring, 2. an NBR energizing O-ring, 3. two…
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K518The K518 is a compact, double-acting, five-piece seal consisting of: 1. a main sealing ring of nitrile rubber (NBR), 2. two back-up rings to prevent extr…
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K22The K22 is a single-acting rod seal designed with an inner lip shorter than the outer lip for optimal performance in rod applications.
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K29The K29 is a single-acting, two-piece seal consisting of an elastomeric sealing element specially designed to relieve back pressure and a thermoplastic back-up ring.
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K32The K32 is a single-acting, two-piece rod seal consisting of a specially designed elastomeric sealing element with a secondary lip and a thermoplastic back-up ring.
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K33The K33 is a single-acting rod seal designed with an inner lip shorter than the outer lip and also fitted with a secondary sealing lip. This design reduces leakage and prevents…
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K35The K35 is a single-acting, two-piece rod seal made of a special PTFE profile ring and an O-ring to create the initial preload.
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K68The K68 is a guide ring designed for shaft-related applications.
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K73The K73 is a piston/rod guide ring designed for use in heavy-duty hydraulic and pneumatic systems.
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KBTThe KBT is a piston guide strip designed for use in hydraulic and pneumatic systems at medium pressure.
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K05The K05 is a single-acting wiper that keeps foreign particles out of hydraulic systems and so prevents wear and damage to internal components, including seals…
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K06The K06 is a single-acting wiper that keeps foreign particles out of hydraulic systems and in doing so prevents wear and damage to internal components, including seals…
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K07The K07 is a single-acting wiper that keeps foreign particles out of hydraulic systems and in doing so prevents wear and damage to internal components, including seals…
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K94The K94 is a single-acting wiper that keeps foreign particles out of the hydraulic system and so prevents wear and damage to internal components
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