Durable Colorful O-Ring Seals in NBR, EPDM, and FKM Materials

Product Description

O-rings are circular sealing elements with circular cross-sections, may be used in static applications or in dynamic applications where there is relative motion between the parts and the O-ring. O-ring selection is based on chemical compatibility, application temperature, sealing pressure, lubrication requirements, durometer, size and cost. We offer you a range of elastomeric materials for both standard and special applications which allow the O-Ring to seal practically all liquid and gaseous media.
Design Theory
Orings are one of the most common yet important elements of machine design. They are available in various metric and standard sizes. Sizes are specified by the inside diameter and the cross section diameter (thickness). The most common standard sizes in the US are controlled by SAE AS568. ISO 3601-1:2012 contains the most commonly used standard sizes, both inch and metric, worldwide. The UK has standards sizes known as BS sizes, typically ranging from BS001 to BS932. In China, the standard for O ring is GB3452(new standard) and GB1235(old standard).The Japan also has standards sizes known as JIS standard(G series,P series). Several other size specifications also exist.O-rings can be produced by extrusion, injection molding, pressure molding or transfer molding.
Application
O-Rings are used in a variety of fields: they are either used as sealing elements or as energizing elements for hydraulic slipper seals and wipers. Thus, the O-Ring is basically used in every field of industry including aerospace, automotive or general engineering. Today, O-rings are one of the most common seals used in machine design because they are inexpensive, easy to make, and reliable and have simple mounting.
Features
All O Rings are made according to international standard: ISO 3601, AS 568, DIN 3771, JIS B2401, GB3452, BS1516.
Excellent abrasion and wear resistance
Excellent extrusion resistance, accepting even the most significant extrusion gaps
Very good mechanical properties
Installation Instructions
Several essential rules must be followed before fitting the O Rings:
• Check that the mechanical parts (rod and bore parts) have a chamfer length that is in line with our recommendations,
• Remove the flash and chamfer or round off the sharp edges and holes; cover the threaded parts,
• Remove the machining shavings and all impurities and other foreign bodies. Thoroughly clean all of the mechanical parts,
• Grease or oil the O-Ring and mechanical parts to make it easier to fit. For this purpose, ensure upstream that the lubricants are compatible with the O-Ring materials. Avoid greases containing solid additives (molybdenum disulfide or zinc sulfide),
• If using installation tools, check that they are clean and do not have sharp edges.
Material
There are various materials and hardness for o-ring customer's option, include nitrile rubber(NBR), fluorine rubber(FKM), chloroprene rubber, silicone rubber, polyurethane(PU) , neoprene, ethylene propylene rubber, etc.
The table below gives an overview of the physical, chemical and mechanical characteristics for each of the materials.
Production Process
Product Parameters
GB3452( Chinese Standard) Series

FAQ
1.our price:
Our price is not the lowest one, but compared with the same quality level product,ours is the best one.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Kind: Oil Seals,O-ring, Rod/Piston seal, Gas seal, Guide elements, Large sized Seals Customized Seals.
Material: NBR/EPDM/FKM/Silicone/HNBR/PU
4. Shipping:
Quickly delivery, with several delivery ways, such as DHL/FEDEX/UPS/TNT express, Air and Ocean shipping way. We have several express accounts and can help you save cost.
5, about customized Service:
Drawings or samples, it is enough. We can produce colored rubber seal just based on your drawing or samples with kinds of colors. We also can give the professional advice based on your requirement.

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