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K519
K519 - Heavy Duty Piston Seal
K519 is a high-performance, double-acting piston seal developed for demanding heavy-duty hydraulic applications. Its advanced configuration—comprising a modified PTFE sealing ring, a low-temperature NBR energizer, and two high-strength thermoplastic backup rings—offers outstanding extrusion, wear, and friction resistance. Designed to perform reliably under high pressure, K519 ensures long service life even in severe dynamic conditions. For more extreme environments, an alternative version featuring a modified PTFE ring and HNBR energizer is available for operation up to 150°C.
Vorteile
Anwendungsbereich
Vorteile
• Excellent sealing performance
• Superior extrusion and wear resistance
• Low friction, free of stick-slip
• Reliable operation under high pressure
• Long service life
• Suitable for high sliding speeds
• Superior extrusion and wear resistance
• Low friction, free of stick-slip
• Reliable operation under high pressure
• Long service life
• Suitable for high sliding speeds
Anwendungsbereich
• Construction machinery
• Excavators
• Presses
• Injection moulding machines
• Heavy duty hydraulic cylinders
• Excavators
• Presses
• Injection moulding machines
• Heavy duty hydraulic cylinders
Material
Code
Pressure
(max) bar
(max) bar
Temperature
(max) °C
(max) °C
Sliding Speed
(max)- m/s
(max)- m/s
PTFE
NBR
PA
NBR
PA
PT6003
NB8010
PA9910
NB8010
PA9910
690
-40/+120
1.5
| D (H8) | d (h9) | L (+0.2/-0) | r1 | C | MATERIAL | Kastaş CODE | ||
|---|---|---|---|---|---|---|---|---|
| K519 050-040 | 50 | 40 | 8 | 0.3 | 5 | PT6003 | 10063480 | |
| K519 060-050 | 60 | 50 | 8 | 0.3 | 5 | PT6003 | 10063481 | |
| K519 063-053 | 63 | 53 | 8 | 0.3 | 5 | PT6003 | 10063482 | |
| K519 070-055 | 70 | 55 | 11 | 0.5 | 7.5 | PT6003 | 10063483 | |
| K519 075-060 | 75 | 60 | 11 | 0.5 | 7.5 | PT6003 | 10063476 | |
| K519 080-065 | 80 | 65 | 11 | 0.5 | 7.5 | PT6003 | 10063477 | |
| K519 090-075 | 90 | 75 | 11 | 0.5 | 7.5 | PT6003 | 10063478 | |
| K519 100-085 | 100 | 85 | 12.5 | 0.5 | 7.5 | PT6003 | 10060329 | |
| K519 105-090 | 105 | 90 | 12.5 | 0.5 | 7.5 | PT6003 | 10063479 | |
| K519 110-095 | 110 | 95 | 12.5 | 0.5 | 7.5 | PT6003 | 10063465 | |
| K519 115-100 | 115 | 100 | 12.5 | 0.5 | 7.5 | PT6003 | 10063467 | |
| K519 120-105 | 120 | 105 | 12.5 | 0.5 | 7.5 | PT6003 | 10063469 | |
| K519 125-110 | 125 | 110 | 12.5 | 0.5 | 7.5 | PT6003 | 10063470 | |
| K519 130-115 | 130 | 115 | 12.5 | 0.5 | 7.5 | PT6003 | 10063463 | |
| K519 135-120 | 135 | 120 | 12.5 | 0.5 | 7.5 | PT6003 | 10063464 | |
| K519 140-125 | 140 | 125 | 12.5 | 0.5 | 7.5 | PT6003 | 10063466 | |
| K519 150-135 | 150 | 135 | 12.5 | 0.5 | 7.5 | PT6003 | 10063468 | |
| K519 160-145 | 160 | 145 | 12.5 | 0.5 | 7.5 | PT6003 | 10063471 | |
| K519 170-155 | 170 | 155 | 12.5 | 0.5 | 7.5 | PT6003 | 10063472 | |
| K519 180-165 | 180 | 165 | 12.5 | 0.5 | 7.5 | PT6003 | 10063473 | |
| K519 200-177 | 200 | 177 | 16 | 0.6 | 11.5 | PT6003 | 10063474 | |
| K519 250-227 | 250 | 227 | 16 | 0.6 | 11.5 | PT6003 | 10063475 |