Products Description
K653 hydraulic rod buffer seals
Advantages:
☆ Simple installation
☆ Good temperature range
☆ Long using life
☆ Preventing inter-seal pressure build up
☆ Can be changed with common PTFE buffer seal housings

Kintowe K653 is a buffer seal that promises reliable performance alongside high-performance rod seals such as Kintowe K605. With its superior design and engineering, Kintowe K653 can easily replace standard PTFE buffer seal housings. This allows for even greater flexibility in applications where high-performing rod seals are required.
Hydraulic rod buffer seals are manufactured in KINTOWE ®01, whihc is an excellent solution to prevent excessive pressure building up in the cavity between the buffer seal and the rod seal. The design is highly effective, providing a valve action that ensures optimal performance and durability. Thanks to the use of a polyacetal/PFC anti-extrusion ring, the seal is also highly resistant to extrusion, even under the most extreme shock pressure loads.
With its advanced engineering and superior performance, this rod buffer seal is sure to exceed your expectations and deliver the results that you need to succeed.
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 | 700bar* | 10.000 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 | 500 | 700 |
| Maximum Gap (S<=6)mm | 0.6 | 0.5 | 0.4 | 0.3 | 0.2 |
| Maximum Gap (S>6)mm | 1.0 | 0.8 | 0.6 | 0.4 | 0.25 |
| Pressure p.s.i. | 2400 | 3750 | 6000 | 7500 | 10.000 |
| Maximum Gap (S<=0.250)in | 0.024 | 0.020 | 0.016 | 0.012 | 0.008 |
| Maximum Gap (S>0.250)in | 0.040 | 0.032 | 0.024 | 0.016 | 0.010 |
| 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 | 3.75 | 5.50 | 7.75 | 10.50 |
| Min chamfer C mm | 3.00 | 3.50 | 5.00 | 7.50 |
| Max fillet Rad r1mm | 0.50 | 0.70 | 1.20 | 1.60 |
| Groove section ≤ S in | 0.150 | 0.215 | 0.306 | 0.413 |
| Min chamfer C in | 0.093 | 0.125 | 0.156 | 0.300 |
| Max fillet Rad r1in | 0.020 | 0.028 | 0.047 | 0.062 |
| Tolerances | ød1 | øD1 | L1 |
| mm | f9 |
H10 |
+0.25 -0 |
| in | f9 |
Js11 |
+0.010-0 |


|
Фd1 |
ФD1 |
L1 |
PART No. |
|
40 |
55.5 |
6.3 |
6530400 |
|
45 |
60.5 |
6.3 |
6530450 |
|
50 |
65.5 |
6.3 |
6530500 |
|
55 |
70.5 |
6.3 |
6530550 |
|
60 |
75.5 |
6.3 |
6530600 |
|
63 |
78.5 |
6.3 |
6530630 |
|
65 |
80.5 |
6.3 |
6530650 |
|
70 |
85.5 |
6.3 |
6530700 |
|
75 |
90.5 |
6.3 |
6530750 |
|
80 |
95.5 |
6.3 |
6530800 |
|
85 |
100.5 |
6.3 |
6530850 |
|
90 |
105.5 |
6.3 |
6530900 |
|
95 |
110.5 |
6.3 |
6530950 |
|
100 |
115.5 |
6.3 |
6531000 |
|
110 |
125.5 |
6.3 |
6531100 |
|
124 |
139.5 |
6.3 |
6531240 |
|
125 |
140.5 |
6.3 |
6531250 |
|
130 |
145.5 |
6.3 |
6531300 |
|
135 |
150.5 |
6.3 |
6531350 |
|
140 |
155.5 |
6.3 |
6531400 |
|
150 |
165.5 |
6.3 |
6531500 |
|
150 |
170 |
10.0 |
6531501 |
|
155 |
170.5 |
6.3 |
6531550 |
|
160 |
175.5 |
6.3 |
6531600 |
|
170 |
185.5 |
6.3 |
6531700 |
|
180 |
195.5 |
6.3 |
6531800 |
|
186 |
201.5 |
6.3 |
6531860 |
|
215 |
236 |
8.1 |
6532150 |
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: What kinds of material you can produce?
Polyester resin composites
Epoxy resin composite
Polyurethane seals
Q: Have your products been exported?
Q: How do you ensure the quality of your products?
Q: Do you have any certifications?
Q: Is the sample available?
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