K921
K921 - Piston Rod Seal
K921 piston-rod seal is a single acting hydraulic sealing element consisting of a specially formed polyurethane u-ring and an elastomer o-ring. K921 can be used in both piston and rod applications thanks to its symmetrical design."
Advantages
Area of Application
Advantages
• Safe use in low pressure and vacuum systems with the o-ring in the design
• Very good sealing in systems with static (locking) and long downtime
• High abrasion resistance thanks to TPU nutring"
• Very good sealing in systems with static (locking) and long downtime
• High abrasion resistance thanks to TPU nutring"
Area of Application
• Material Handling
• Construction Machinery
• Hydraulic Press
• Agricultural Machinery
• Standard Industrial Cylinders"
• Construction Machinery
• Hydraulic Press
• Agricultural Machinery
• Standard Industrial Cylinders"
Material
Code
Pressure
(max) bar
(max) bar
Temperature
(max) °C
(max) °C
Sliding Speed
(max)- m/s
(max)- m/s
PU
NBR
NBR
PU9412
NB7001
NB7001
350
-30/+100°C
0.5
| d(f7) dp(h11) | Db(H10) D(H10) | L (+0.2/-0) | H | C | MATERIAL | Kastaş CODE | ||
|---|---|---|---|---|---|---|---|---|
| K921-002 | 0.093 | 0.343 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054453 | |
| K921-004 | 0.187 | 0.437 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054456 | |
| K921-006 | 0.25 | 0.75 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054458 | |
| K921-006/1 | 0.25 | 0.5 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054459 | |
| K921-007 | 0.313 | 0.813 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054461 | |
| K921-007/1 | 0.313 | 0.688 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054462 | |
| K921-007/2 | 0.313 | 0.563 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054470 | |
| K921-009 | 0.375 | 0.75 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054478 | |
| K921-009/1 | 0.375 | 0.625 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054481 | |
| K921-011 | 0.437 | 0.687 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054489 | |
| K921-012 | 0.5 | 0.75 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054493 | |
| K921-012/1 | 0.5 | 0.875 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054494 | |
| K921-014 | 0.562 | 0.812 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054496 | |
| K921-015 | 0.625 | 0.875 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054499 | |
| K921-016 | 0.656 | 1.031 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054500 | |
| K921-017 | 0.687 | 1.062 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054501 | |
| K921-017/1 | 0.687 | 0.937 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054502 | |
| K921-019 | 0.75 | 1.25 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054506 | |
| K921-019/1 | 0.75 | 1.125 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054507 | |
| K921-019/2 | 0.75 | 1 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054508 | |
| K921-022 | 0.875 | 1.25 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054511 | |
| K921-022/1 | 0.875 | 1.125 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054512 | |
| K921-023 | 0.937 | 1.25 | 0.17 | 0.154 | 0.192 | PU9412 S | 10054513 | |
| K921-025 | 1 | 1.25 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054519 | |
| K921-025/1 | 1 | 1.375 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054520 | |
| K921-025/2 | 1 | 1.5 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054521 | |
| K921-025/3 | 1 | 1.625 | 0.343 | 0.308 | 0.233 | PU9412 S | 10054522 | |
| K921-025/4 | 1 | 1.75 | 0.413 | 0.369 | 0.247 | PU9412 S | 10054523 | |
| K921-026 | 1.062 | 1.437 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054524 | |
| K921-026/1 | 1.062 | 1.312 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054525 | |
| K921-028 | 1.125 | 1.375 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054530 | |
| K921-028/1 | 1.125 | 1.5 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054531 | |
| K921-030 | 1.187 | 1.5 | 0.17 | 0.154 | 0.192 | PU9412 S | 10054532 | |
| K921-031 | 1.25 | 1.5 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054540 | |
| K921-031/1 | 1.25 | 1.625 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054541 | |
| K921-031/2 | 1.25 | 1.75 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054542 | |
| K921-031/3 | 1.25 | 2 | 0.413 | 0.369 | 0.247 | PU9412 S | 10054543 | |
| K921-038 | 1.5 | 1.875 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054558 | |
| K921-038/1 | 1.5 | 2 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054560 | |
| K921-038/2 | 1.5 | 2.125 | 0.343 | 0.308 | 0.233 | PU9412 S | 10054562 | |
| K921-041 | 1.625 | 2 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054566 | |
| K921-044 | 1.75 | 2 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054569 | |
| K921-044/1 | 1.75 | 2.125 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054570 | |
| K921-049 | 1.937 | 2.312 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054573 | |
| K921-050 | 2 | 2.5 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054577 | |
| K921-050/1 | 2 | 2.375 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054578 | |
| K921-050/2 | 2 | 2.75 | 0.413 | 0.369 | 0.247 | PU9412 S | 10054579 | |
| K921-050/3 | 2.125 | 2.5 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054582 | |
| K921-057 | 2.25 | 2.75 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054585 | |
| K921-057/1 | 2.25 | 3 | 0.413 | 0.369 | 0.247 | PU9412 S | 10054586 | |
| K921-063 | 2.5 | 2.875 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054589 | |
| K921-063/1 | 2.5 | 3 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054590 | |
| K921-066 | 2.625 | 3 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054593 | |
| K921-069 | 2.75 | 3 | 0.138 | 0.123 | 0.138 | PU9412 S | 10054595 | |
| K921-073 | 2.875 | 3.25 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054598 | |
| K921-076 | 3 | 3.5 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054603 | |
| K921-076/1 | 3 | 3.75 | 0.413 | 0.369 | 0.247 | PU9412 S | 10054604 | |
| K921-079 | 3.125 | 3.5 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054607 | |
| K921-088 | 3.5 | 4 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054615 | |
| K921-088/1 | 3.5 | 4.25 | 0.413 | 0.369 | 0.247 | PU9412 S | 10054616 | |
| K921-088/2 | 3.5 | 3.875 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054617 | |
| K921-092 | 3.625 | 4 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054620 | |
| K921-104 | 4.125 | 4.5 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054629 | |
| K921-107 | 4.25 | 4.625 | 0.206 | 0.184 | 0.22 | PU9412 S | 10054633 | |
| K921-107/1 | 4.25 | 4.75 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054634 | |
| K921-114 | 4.5 | 5 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054637 | |
| K921-114/1 | 4.5 | 5.25 | 0.413 | 0.369 | 0.247 | PU9412 S | 10054638 | |
| K921-117 | 4.625 | 5.125 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054640 | |
| K921-120 | 4.75 | 5.25 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054644 | |
| K921-127 | 5 | 5.5 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054645 | |
| K921-139 | 5.5 | 6 | 0.276 | 0.246 | 0.22 | PU9412 S | 10054646 |