Standard customized nitrile NBR rubber O rings with big size big size o ring

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Product Overview


Products Description

O-rings are one of the most common seals used in machine design,it can be used  in static applications or in dynamic applications where there is relative motion between the parts and the O-ring. Dynamic examples include rotating pump shafts and hydraulic cylinder pistons.

It has the advantages:

1. inexpensive;

2.Small installation space;

3.easy to make,easy to install;

4.stable performance;

black brown yellow red white according to customer request
70-90 Shore A
static applications: without back-up ring ≤20Mpa, with back-up ring ≤40Mpa
dynamic applications: without back-up ring ≤5Mpa
Hydraulic oils(Mineral oil-based) & Acid-proof alkali ,
machinery,automobile,sanitaryware,household electrical,fuel injector,every static or dynamic applications

Different materials and different model number have different application scenarios and performances.
For details, please click Send Inquiry!

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TC Oil Seal
TC skeleton oil seal is a mechanical component used to seal oil. It isolates the parts of the transmission component that need to be lubricated from the output components so that lubrication and leakage are not allowed.

Material:NBR / FKM +Metal
Technical Data
Temperature range: -30℃ to +200℃
Speed: ≤25m/s
Medium:Lubricating Oil, Grease, Water

●The structure is simple and easy to manufacture.
●Lightweight and low consumables.
●The oil seal has a small axial dimension, is easy to machine, and makes the machine compact.
●The sealing machine has good performance and long service life.
●The oil seal has certain adaptability to the vibration of the machine and the eccentricity of the spindle.
●Easy to disassemble and easy to test.
Types of O-ring compounds
FKM (Viton )
Hydrogenated BUNA-N ( HNBR)
Chloroprene ( Neoprene ) EPDM
Sllicone Fluosilicone Natural Aflas
More compounds
We offer standard O- RINGS(AS568),
Metric O-rings, JIS 0- rings, BS O-rings,
Spliced or Vulcanized O-rings,
O-rings by material, Custom Molded O-rings, 0-ring kits.
Our operational application temperature limits:
EPDM 70:-45 "Cto +130。
CFKM:-15 °C to +200。
CHNBR70: -30 °C to +150*
CNBR: -30°C to +100°
CVMQ70: -55 °C to +200°C

O Ring Kits
Product name:O- Ring Kit 5A

KDAS Piston compact seal
Profile seal: NBR /Back-up ring: polyester elastomer / Guider ring: POM
Color: Profile seal: Black / Back-up ring: Blue / Guider ring: Black
Technical Data
Pressure:s 35Mpa
Temperature: -35 ~ +100*C
Media: Hydraulic oils (mineral oil-based)
USH/UPH Rod/Piston Seal
ardness:75~ 85 ShoreA
Color: Black/brown
Technical Data
Operating conditions
Pressure:CPU s31 .5Mpa
Temperature:-35 ~ + 200C
Media:Hydraulic oils(mineral oil based)

Company Profile

Our Advantages

Production Process

Packing & Shipping


Q:What is your main product?
A:Our main product is O rings, rubber oil seals, piston seals,rod seals,rubber parts;

Q: How long is your delivery time?
A: Generally it is 3-5 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra?
A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.

Q: What are your terms of payment?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance,70%balance before shipment.

Q:Can you do OEM or ODM?
Yes, OEM and ODM all are welcomed.

Q:How do you make our business long-term and good relationship?
A: 1.Excellent and stable quality
2.Reasonable and favorable price
3.Professional and considerable service

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