Products Description
K839 hydraulic scraper seals
Advantages:
● Hard wearing material for long using life
● Twin lip ensures drier sealing system

Kintowe K839 hydraulic scraper seals are a reliable and effective solution for preventing dirt and moisture from entering hydraulic cylinders. Made from high-performance polyurethane, these seals are designed for maximum wear resistance and long-lasting durability.
One of the key features of the K839 seal is its innovative design, which includes two sealing lips that are precisely proportioned to collect fluid passing the rod seal. This helps to prevent leaks and maintain hydraulic system performance over time.
Furthermore, the outer diameter of the seal is designed to fit snugly and securely in the cylinder housing, providing excellent stability and improving overall seal performance even in harsh operating conditions.
A vent between the seal and the wiper is recommended to avoid a pressure trap.
K839 hydraulic scraper seal is a top-quality sealing solution that provides dependable protection and long-lasting performance for hydraulic systems.
Production process:


Technical details
| Operating conditions | Metric | Inch |
| Maximum speed |
4.0 m/sec |
12.0 ft/sec |
| Temperature range |
-45℃+110℃ |
-50°F +230°F |
| Surface roughness | μmRa | μmRt | μinCLA | μinRMS |
| Dynamic sealing face øD1 | 0.1<>0.4 | 4 max | 4<>16 | 5<>18 |
| Static sealing face ød1 | 1.6 max | 10 max | 63 max | 70 max |
| Static housing faces L1 | 3.2 max | 16 max | 125 max | 140 max |
|
Chamfers & Radii |
||
|
Rod diameter ød1 mm |
≤90 |
>90 |
|
Max Fillet Rad r1 mm |
0.2 |
0.4 |
|
Max Fillet Rad r2 mm |
0.4 |
0.4 |
|
Tolerances |
ød1 |
øD1 |
ØD2 |
L1 mm |
|
839mm |
f9 |
H11 |
H11 |
+0.2-0 |
|
839N mm |
f9 |
+0-0.2 |
±0.1 |
+0.4 -0 |


|
Фd1 |
ФD1 |
ФD2 |
L1 |
L2 |
PART No. |
|
12 |
18 |
14.5 |
4.0 |
7.0 |
8390120 |
|
12 |
20 |
16.5 |
4.0 |
7.0 |
8390121 |
|
14 |
22 |
18.3 |
4.8 |
7.0 |
8390140 |
|
15 |
22 |
18.0 |
3.8 |
6.0 |
8390150 |
|
16 |
24 |
20.3 |
4.8 |
7.0 |
8390160 |
|
18 |
24 |
20.5 |
4.0 |
7.0 |
8390180 |
|
18 |
26 |
22.3 |
4.8 |
7.0 |
8390181 |
|
20 |
26 |
22.5 |
4.0 |
7.0 |
8390200 |
|
20 |
28 |
24.3 |
4.8 |
7.0 |
8390201 |
|
22 |
28 |
24.5 |
4.0 |
7.0 |
8390220 |
|
25 |
31 |
27.5 |
4.0 |
7.0 |
8390250 |
|
25 |
33 |
29.3 |
4.8 |
7.0 |
8390251 |
|
28 |
36 |
31.0 |
5.0 |
8.0 |
8390280 |
|
28 |
36 |
32.3 |
4.8 |
7.0 |
8390281 |
|
30 |
38 |
33.0 |
5.0 |
8.0 |
8390300 |
|
30 |
38 |
34.0 |
5.8 |
8.0 |
8390301 |
|
31.5 |
39.5 |
35.5 |
5.8 |
8.0 |
8390315 |
|
32 |
40 |
35.0 |
5.0 |
8.0 |
8390320 |
|
32 |
40 |
36.0 |
5.8 |
8.0 |
8390321 |
|
35 |
43 |
39.0 |
5.8 |
8.0 |
8390350 |
|
35.5 |
43.5 |
39.5 |
5.8 |
8.0 |
8390355 |
|
36 |
44 |
39.0 |
5.0 |
8.0 |
8390360 |
|
38 |
46 |
42.0 |
5.8 |
8.0 |
8390380 |
|
40 |
48 |
44.0 |
5.8 |
8.0 |
8390400 |
|
40 |
48 |
43.0 |
5.0 |
8.0 |
8390401 |
|
45 |
53 |
49.0 |
5.8 |
8.0 |
8390450 |
|
45 |
53 |
48.0 |
5.0 |
8.0 |
8390451 |
|
50 |
58 |
53.0 |
5.0 |
8.0 |
8390500 |
|
50 |
58 |
54.0 |
5.8 |
8.0 |
8390501 |
|
53 |
61 |
57.0 |
5.8 |
8.0 |
8390530 |
|
55 |
63 |
59.0 |
5.8 |
8.0 |
8390550 |
|
55 |
65 |
58.0 |
6.0 |
9.7 |
8390551 |
|
Фd1 |
ФD1 |
ФD2 |
L1 |
L2 |
PART No. |
|
55 |
63 |
59.0 |
5.8 |
8.0 |
8390552 |
|
56 |
64 |
60.0 |
5.8 |
8.0 |
8390560 |
|
56 |
66 |
59.0 |
6.0 |
9.7 |
8390561 |
|
60 |
68 |
64.0 |
5.8 |
8.0 |
8390600 |
|
60 |
70 |
63.0 |
6.0 |
9.7 |
8390601 |
|
63 |
71 |
67.0 |
5.8 |
8.0 |
8390630 |
|
65 |
73 |
69.0 |
5.8 |
8.0 |
8390650 |
|
65 |
75 |
68.0 |
6.0 |
9.7 |
8390651 |
|
70 |
80 |
73.0 |
6.0 |
9.7 |
8390700 |
|
70 |
80 |
75.0 |
6.8 |
10.0 |
8390701 |
|
75 |
85 |
80.0 |
6.8 |
10.0 |
8390750 |
|
80 |
90 |
85.0 |
6.8 |
10.0 |
8390800 |
|
85 |
95 |
90.0 |
6.8 |
10.0 |
8390850 |
|
90 |
100 |
93.0 |
6.0 |
9.7 |
8390900 |
|
90 |
100 |
95.0 |
6.8 |
10.0 |
8390901 |
|
95 |
105 |
100.0 |
6.8 |
10.0 |
8390950 |
|
100 |
110 |
105.0 |
6.8 |
10.0 |
8391000 |
|
110 |
120 |
115.0 |
6.8 |
10.0 |
8391100 |
|
110 |
125 |
14.0 |
8.5 |
13.0 |
8391101 |
|
112 |
122 |
117.0 |
6.8 |
10.0 |
8391120 |
|
120 |
130 |
125.0 |
6.8 |
10.0 |
8391200 |
|
125 |
138 |
132.0 |
7.8 |
11.0 |
8391250 |
|
130 |
142 |
135.0 |
8.2 |
11.0 |
8391300 |
|
130 |
143 |
137.0 |
7.8 |
11.0 |
8391301 |
|
136 |
149 |
143.0 |
7.8 |
11.0 |
8391360 |
|
140 |
153 |
147.0 |
7.8 |
11.0 |
8391400 |
|
140 |
155 |
144.0 |
8.5 |
13.0 |
8391401 |
|
145 |
158 |
152.0 |
7.8 |
11.0 |
8391450 |
|
150 |
163 |
157.0 |
7.8 |
11.0 |
8391500 |
|
150 |
165 |
154.0 |
8.5 |
13.0 |
8391501 |
|
160 |
174 |
167.0 |
7.8 |
11.0 |
8391600 |
|
180 |
196 |
184.0 |
9.5 |
14.0 |
8391800 |
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: When did your factory established?
Q: How you arrange shipment?
Q: What kinds of material you can produce?
Polyester resin fabric composites
Epoxy resin wound bearings
Filled PTFE hydraulic seals
Polyurethane rod / piston seals
Q: What's your warranty terms?
Q: Can l visit your factory?
Hot Tags: hydraulic scraper seals, China hydraulic scraper seals manufacturers, suppliers, factory, Rod Guide Rings, Piston Guide Rings, Hydraulic Swivel Seals, Hydraulic Cylinder Rod Seals, PTFE Bronze Filled Back up Rings, Piston Wear Rings

