Kastas rod seals, piston seals, wipers and guide rings for cranes, loaders, hoists, forklifts and other material handling equipment.
Mobile cranes, loaders, forklifts and industrial hoists usually work on open, dusty sites, and their telescopic and lifting cylinders move under variable load and over long strokes.
For these cylinders, Kastas designs a combination of low-friction packing, a guide ring with high radial load capacity and a dust-resistant wiper; an arrangement that delivers dynamic and static sealing, precise guidance in large-bore cylinders and resistance to particles from the work environment at the same time.
Container handling with a reach stacker; an example of real material handling applications.
This arrangement combines rod seal, piston seal, wiper and guide ring for typical material handling cylinders, with a simple groove design for quick installation and stable sealing under general loads.
This arrangement is designed for large-bore, high-speed cylinders, where precise guidance, high radial load capacity and low friction are all needed at once.
K83The K83 is a double-acting seal for static applications, designed for internal sealing.
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K84The K84 is a double-acting seal for static applications, designed specifically for external sealing.
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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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K19The K19 is a compact, four-piece, double-acting seal for heavy-duty applications with the following components: 1. a bronze-filled PTFE profile ring, 2. a preloading sealing element of…
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K40The K40 is a single-acting, two-piece seal consisting of a sealing ring with an asymmetric profile and pressure-relief grooves, together with a thermoplastic back-up ring.
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K49The K49 is a double-acting piston seal for heavy-duty applications, consisting of a sealing ring with a reinforced structure and a nitrile ring to absorb pressure. Its design is for harsh working conditions…
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K504The K504 is a three-piece, double-acting seal for compact pistons, made up of: 1. a sealing element of fabric-reinforced nitrile rubber, 2. a guide ring…
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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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K762The K762 is a double-acting, two-piece piston seal consisting of: 1. a profile ring of PTFE with a special design, 2. a quad-ring of NBR as…
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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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K12The K12 is a double single-acting wiper whose specially designed lips keep foreign particles out of hydraulic systems and prevent 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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