Products Description
K663 hydraulic cylinder rod seals
Advantages:
☆ Easy to install
☆ No leakage if used with double lip dust rings like K839

Kintowe K663 hydraulic cylinder rod seals offer exceptional sealing performance for light and medium duty applications. With its asymmetrical design, this seal can effectively prevent leaks and ensure a dry rod operation, boosting the efficiency and longevity of the machinery.
The seal is a single lip modification of the well-established K605 profile and is ideal for applications which require a double lip wiper such as the Kintowe K839.
Manufactured in Kintowe ®01, the K663 hydraulic cylinder rod seal is an extremely flexible seal making installation very easy.
With K663 hydraulic cylinder rod seals, you can rest assured that your sealing needs are met with the utmost reliability and efficiency. Its exceptional dry rod sealing capabilities make it an ideal choice for any application requiring superior sealing performance.
Production process:
Injection molding


Technical details
| Operating conditions | Metric | Inch |
| Maximum speed | 1.0m/sec | 3.0 ft/sec |
| Temperature range | -45℃+110℃ | -50°F +230°F |
| Maximum pressure | 400bar* | 6000 p.s.i.* |
| Maximum extrusion gap |
Figures show the maximum permissible gap all on one side using minimum rod ø and maximum clearance ø. |
||
| Pressure bar | 160 | 250 | 400 |
| Maximum Gap mm | 0.6 | 0.5 | 0.4 |
| Pressure p.s.i. | 2400 | 3750 | 6000 |
| Surface roughness | μmRa | μmRt | μinCLA | μinRMS |
| Dynamic sealing face ød1 | 0.1<>0.4 | 4 max | 4<>16 | 5<>18 |
| Static sealing face L1 | 1.6 max | 10 max | 63 max | 70 max |
| Static housing faces ØD1 L1 | 3.2 max | 16 max | 125 max | 140 max |
| Chamfers & Radii | ||||
| Groove section ≤ S mm | 4.0 | 5.0 | 7.5 | 10 |
| Min chamfer C mm | 3.0 | 3.50 | 5.0 | 6.5 |
| Max fillet Rad r1mm | 0.2 | 0.4 | 0.8 | 0.8 |
| Max fillet Rad r2mm | 0.4 | 0.8 | 1.2 | 1.2 |
|
Tolerances |
ød1 | øD1 | L1 |
|
f9 |
Js11 |
+0.25-0 |


|
Фd1 |
ФD1 |
SL |
L1 |
PART No. |
Фd1 |
ФD1 |
SL |
L1 |
PART No. |
|
12 |
22 |
7.3 |
8.0 |
6630120 |
45 |
55 |
7.3 |
8.0 |
6630451 |
|
14 |
24 |
8.2 |
9.0 |
6630140 |
45 |
55 |
10.3 |
11.0 |
6630452 |
|
16 |
24 |
5.7 |
6.3 |
6630160 |
50 |
57 |
9.0 |
10.0 |
6630500 |
|
16 |
26 |
7.3 |
8.0 |
6630161 |
50 |
58 |
8.2 |
9.0 |
6630501 |
|
18 |
26 |
5.7 |
6.3 |
6630180 |
50 |
60 |
7.3 |
8.0 |
6630502 |
|
20 |
28 |
5.7 |
6.3 |
6630200 |
50 |
60 |
10.0 |
11.0 |
6630503 |
|
20 |
30 |
7.3 |
8.0 |
6630201 |
50 |
65 |
11.4 |
12.5 |
6630504 |
|
22 |
32 |
7.3 |
8.0 |
6630220 |
54 |
64 |
10.0 |
11.0 |
6630540 |
|
24 |
34 |
7.8 |
8.5 |
6630240 |
55 |
65 |
10.0 |
11.0 |
6630550 |
|
25 |
33 |
5.7 |
6.3 |
6630250 |
55 |
67 |
10.0 |
11.0 |
6630551 |
|
25 |
35 |
7.3 |
8.0 |
6630251 |
56 |
67 |
10 |
11 |
6630560 |
|
25 |
40 |
10.0 |
11.0 |
6630252 |
56 |
66 |
10 |
11 |
6630561 |
|
26 |
36 |
10.0 |
11.0 |
6630260 |
60 |
68 |
8 |
9 |
6630600 |
|
28 |
36 |
5.7 |
6.3 |
6630280 |
60 |
70 |
7.3 |
8 |
6630601 |
|
30 |
38 |
5.7 |
6.3 |
6630300 |
60 |
70 |
10 |
11 |
6630602 |
|
30 |
38 |
8.2 |
9.0 |
6630301 |
60 |
75 |
11.4 |
12.5 |
6630603 |
|
30 |
40 |
7.3 |
8.0 |
6630302 |
65 |
75 |
11.8 |
13 |
6630650 |
|
30 |
45 |
10.0 |
11.0 |
6630303 |
65 |
80 |
11.4 |
13 |
6630651 |
|
32 |
40 |
5.7 |
6.3 |
6630320 |
70 |
80 |
6 |
7 |
6630700 |
|
32 |
42 |
7.3 |
8.0 |
6630321 |
70 |
85 |
11.4 |
13 |
6630701 |
|
35 |
43 |
5.7 |
6.3 |
6630350 |
75 |
95 |
14.5 |
16 |
6630750 |
|
35 |
45 |
7.3 |
8.0 |
6630351 |
80 |
90 |
11.8 |
13 |
6630800 |
|
35 |
45 |
10.0 |
11.0 |
6630352 |
80 |
100 |
14.5 |
16 |
6630801 |
|
36 |
44 |
5.8 |
6.3 |
6630360 |
85 |
97 |
8.7 |
9.6 |
6630850 |
|
36 |
44 |
8.0 |
9.0 |
6630361 |
85 |
100 |
11.8 |
13 |
6630851 |
|
36 |
46 |
7.3 |
8.0 |
6630362 |
95 |
110 |
9 |
10 |
6630950 |
|
40 |
48 |
5.7 |
6.3 |
6630400 |
100 |
115 |
9 |
10 |
6631000 |
|
40 |
48 |
8.2 |
9.0 |
6630401 |
100 |
115 |
11.8 |
13 |
6631001 |
|
40 |
50 |
7.3 |
8.0 |
6630402 |
140 |
155 |
9 |
10 |
6631400 |
|
40 |
50 |
8.2 |
9.0 |
6630403 |
160 |
175 |
9 |
10 |
6631600 |
|
40 |
50 |
10.0 |
11.0 |
6630404 |
170 |
185 |
9 |
10 |
6631700 |
|
45 |
53 |
8.2 |
9.0 |
6630450 |
180 |
200 |
12 |
13 |
6631800 |
Our exhibition
PTC, BAUMA, Hannover Messe etc.

By Express (FedEx, UPS, DHL, TNT, EMS, etc. )
--- Advantage: Fast (takes about 7 - 10 days in the delivery), door to door
This is especially useful for urgent shipments that need to reach their destination quickly. Though express delivery is a little expensive, it is worth the cost if time is a crucial factor.

By Air Transportation
--- Advantage: Fast (takes about 8 - 12 days), a little cheaper than Express.
Though it takes a little longer than express delivery, at around 8-12 days, it is still relatively quick. Additionally, air transportation is a little cheaper than express delivery. The only downside is that the receiver has to collect the goods from the airport.

By Sea (Ocean ) Transportation
--- Advantage: Much cheaper than Express or Air transportation.
Sea transportation is an excellent option for individuals and businesses that need to transport goods across long distances. With its cost savings and global coverage, it's an attractive alternative to other transportation methods.

FAQ:
Q: Are you a manufacturer or a trading company?
Q: Is your price competitive?
Q: How you arrange the shipments?
Q: Do you have any certifications?
Q: What is your terms of payment?
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