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[China]
Trade Verify
Address: NO.9, Hongfeng 1st Street, Nanshe Village, Chashan Town. Dongguan City, 523391, China
Contact name:Aaron
Dongguan Ruichen Sealing Co., Ltd. |
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Verified Suppliers
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Black Ethylene Propylene Rubber Excellent Heat Resistance EPDM O Ring for Gas Valves
1.The O-ring is an annular seal having an O-shaped cross section, the size of which is determined
by the inner diameter ID and the wire diameter CS.
2.O-ring size calculation: outer diameter = inner diameter + 2 x wire diameter (OD = ID + 2x CS).
3.The purpose of using O-ring seals is to prevent leakage and loss
of liquids or gases.
4.O-rings are the most commonly used type of seal because of their
simplicity, convenience, and
small installation space. As long as the groove design and material selection are correct, and the
operating conditions are within the temperature range of the rubber material, the seal can have a
long-term sealing effect in the static or dynamic seal.
EPDM material
| Material | EPDM(Ethylene propylene Rubber) |
| Advantage | 1,Excellent Weathering Resistance |
| 2,Excellent Ozone Resistance | |
| 3,Excellent Flame Resistance | |
| 4,Excellent Heat Resistance | |
| 5,Excellent Water Resistance | |
| 6,Excellent Oxygenated-Solvent Resistance | |
| Disadvantage | 1,Poor Oxygenated-Solvent Resistance |
| 2,Poor Oil and Fuel Resistance | |
| Temperature | -50℃-150℃, -50℃-200℃(Special formula) |
| Application | 1,Shower Sealings or parts |
| 1,Rubber parts for brake (brake) systems | |
| 2,Radiator (Automotive tank) seal |
EPDM Rubber Features:
EPDM rubber is a high density rubber primarily used for outdoor applications. It has
dynamic and mechanical properties between natural rubber and synthetic rubber.
Do not use EPDM if continual contact with petroleum based products is required.
Not recommended for usage in food applications or those that are exposed to aromatic
hydrocarbons.
O-ring application range:
O-rings are suitable for mounting on a wide range of mechanical
equipment and function in
a static or moving state at specified temperatures, pressures, and in different liquid and gaseous
media. In the machine tools, ships, automobiles, aerospace equipment, metallurgical machinery,
chemical machinery, engineering machinery, construction machinery, mining machinery, petroleum
machinery, plastic machinery, agricultural machinery, and various types of instruments, a large
number of types of seals are applied. element.
O-rings are mainly used for static and reciprocating seals. For rotary motion seals, only for low
speed rotary seals.
O-rings are generally mounted in a groove with a rectangular cross section on the outer or inner
circle to seal.
O-ring seals still have good sealing and shock absorption in oil, acid, alkali, grinding and chemical
corrosion.
Therefore, O-rings are the most widely used seals in hydraulic and pneumatic transmission
systems.
Quality Control
Material Inspection:Storage of all raw materials before the test, and issue a report on the corresponding
material properties, compared with raw material's own property report, two reports property values is
consistent, can put in storage.
Model Inspection:After the mold development or mold cleaning finished on the machine, we will test all
the specifications of the mold to ensure that each cavity of the product specifications and quality.
Production Inspection:The production process of the product inspection personnel timing semi-finished
product inspection, ensure the quality of the rationality of technology, defective rate control in a reasonable
range.
Quanlity Control:The quality inspection department will conduct a
sampling inspection of each batch of
products Production Full Inspection:The optical inspection machine can ensure the appearance and dimension
of the product are 100% qualified.
Our Factory
Rui Chen Sealing Co., Ltd was built in 2006, now there are more than 200 staff. The company has two branches
in Guangdong and Jiangxi, They are Dongguan Rui Chen Sealing Co., Ltd. and Shangrao Rui Chen Sealing Co., Ltd..
In recent years, the company has been supported by ShangRao municipal government and fully enjoy all the
preferential policies for economic development zone. We will always take "best quality, best service" as our
mission, and make progress together with you, harmony and mutual win!
Certificates
Progress
FAQ
Q: 1 What kinds of materials can you provide?
A: NBR, EPDM, SILICONE,FKM(FKM),NEOPRENE(CR), HNBR ,NR, IIR, SBR,
ACM, AEM,Fluorosilicone(FVMQ),
FFKM etc.
Q: 2 How to select the raw compound for my application?
A: With years of experience working with a variety of material, we
can help select the material that will best suit your
needs while keeping material costs in mind.
Q: 3 How long can we get the quote?
A: If your information is complete, we will provide the quotation
within 8 hours.
Q: 4 Can you provide samples? Is it free or extra?
A: Yes, we can provide samples for free. Freight can be negotiated.
Q: 5 What is the normal lead time for product orders?
A: If the stock generally takes 3-7 days, mold about 15-18 days, no
mold about 25-30 days, depending on the product
situation.
Q: 6 How to check the quality of the bulk order?
A: We have incoming inspection, control the quality of raw
materials, process inspection,to ensure the quality of the
production process, shipping 100% of the full inspection; automatic inspection machine full inspection, and according
to customer needs before the mass production of pre-production samples.
Q: 7 What is your standard packing?
A: Plastic bag for inner packing .carton box for outer packing also
be packed according to customer's requirements.
Q: 8 What's the payment term?
A: We accept T/T 30% deposit and 70% balance against copy of B/L or
L/C at sight, Paypal is also accepted.
