The 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 extrusion under pressure, 3. two special thermoplastic guide rings to absorb lateral forces.
IranSeal's sales team is ready to answer your questions about price and availability for this product.
The 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 extrusion under pressure, 3. two special thermoplastic guide rings to absorb lateral forces.
Suitable for construction machinery, forklifts, agricultural equipment, light hydraulic jacks and small cylinders.
| Ambient temperature | Pressure (bar) | Speed (m/sec) | Fluid |
|---|---|---|---|
| -30°C to +100°C | ≤400 bar | ≤0.5 m/sec | Mineral oils (DIN 51524) |
| +5°C to +50°C | ≤400 bar | ≤0.5 m/sec | HFA and HFB |
| -30°C to +50°C | ≤400 bar | ≤0.5 m/sec | HFC |
Before buying, measure the current part with calipers and match it against the specification table: inner diameter (ID) at the shaft contact surface, outer diameter (OD) at the housing seat, and thickness (height) measured perpendicular to these two diameters. If you're unsure about the size or lip type, send the old part's code or a photo of it to IranSeal's sales team so they can find the exact match.
K03The K03 is a single-acting, three-piece seal consisting of: 1. a back-up ring of reinforced cotton fabric, 2. a middle ring of nitrile rubber (N…
Ask for price
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.
Ask for price
K16The K16 is a compact, three-piece, double-acting seal consisting of: 1. a fabric-reinforced elastomer sealing element, 2. two thermoplastic (POM) guide rings…
Ask for price
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.
Ask for price