Valve Oil Seal

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Brand Name	CNBM Brand or customized brand
Product name	valve oil seal
Material	NBR, HNBR, FKM(FPM or Viton), Silicone,EPDM,CR, NR, SBR, ACM, etc.
Property	High/low temperature resistance, oil and fuel resistance, weathering resistance, O zone resistance etc.
Color	Any color is available ,according to your requirements.
Hardness	30-90 Shore A or special
Type	TC,TB,TA,SA,SB,SC,SF,SM,VA,VB,VC,VF,VM,KA,KB,KC,KF,KM,etc.
MOQ	5000pcs
Trial order	Acceptable
Samples	Free samples are available.
Package	Plastic bag/paper roll and hard carton box or as your requirements
Payment	T/T, L/C, Further checking with you
Certificate	ISO9001:2000; ISO/TS16949
Departure ports	Xingang(Tianjin), Shanghai, Guangzhou, Qingdao, Ningbo,Shengzhen or as your requirements
Delivery time	Usually 20 days after receiving your advance payment.
Place of origin	Xingtai, Hebei, China(mainland)
Application	1. Fluid system (static &dynamic) 2. Hydraulic system (dynamic) 3. Pneumatic system (dynamic) 4. Oil or grease media sealing 5. Water media sealing 6. automobile, motorcycle, industry, agricultural machinery, truck, buses, trailers, exercise equipment
Product equipment	includes vacuum vulcanizing machines, large-scale flat vacuum vulcanizing machines, rubber machines, CNC machine tools, temperature-controlled ovens and detectors.

Valve Oil Seal

Q: What rubber kind of rubber does the brake seal of the car use?: The synthesis of liquid to polyethylene glycol or glycol and boric acid ester, because this "oil" may mislead him. Second, the brake should be used three yuan synthetic liquid ethylene propylene rubber (EPDM), which is resistant to chemicals because of the elementary concentration. He used EpDM production after swelling qualified, is very happy.The production of rubber products is important for the accumulation of knowledge

Q: How to use graphite seals?: Hello, I am an artificial graphite electrode manufacturer --- Chengde long and carbon factory. Here is the information I have found for you. I hope it can be useful to you"In general, may be caused by improper use, such as the oil temperature is too high lead seal can be burned, check the cooling system whether normal operation, the surface wear of rod can check the hydraulic oil leakage, whether there is debris filter failure. "

Q: Design of sealing ring, groove and bottom fillet of sealing ring: The O ring seal is a typical extrusion seal. The compression ratio and stretch of the section diameter of O ring are the main contents of sealing design, which are important for sealing performance and service life. The O ring is usually installed in the sealing groove to seal. The good sealing effect of O shape seal ring depends largely on the proper matching of the size of the O ring and the groove size, forming a reasonable sealing ring, the amount of compression and the amount of tension. Sealing device design, processing, if the O ring compression is too small, it will cause leakage; too much compression will lead to O ring rubber stress relaxation caused by leakage. Similarly, excessive stretching in the work of the O ring will also accelerate aging and cause leakage. The standards of the countries all over the world have strict regulations.

Q: What are the mechanical equipments for producing seals?: For mechanical seal words: lathe, grinding machine, drilling machine, polishing machine, ultrasonic cleaning machine, if the sealing material of their own production, it also need silicon carbide furnace, graphite machine, rubber vulcanizing machine, rubber machine etc..

Q: The difference between piston seal and piston rod seal: The sealing groove should be sealed on the shaft, that is to say, the piston is sealed. The sealing groove is opened on the hole and should be sealed. That is to say, the piston rod is sealed

Q: In the seal of hydraulic cylinder, the O-ring and Y ring are sealed well: Can not simply say that the good sealing and badAs long as the pressure reaches the sealing ring value, the seal is normal. Each has its own merits。

Q: What is the sealing principle of O type sealing ring?: Type O sealing ring is a sealing extrusion type, the basic working principle of extrusion type seal is the seal on elastic deformation caused by contact pressure in the sealing contact surface, the contact pressure is greater than the sealed medium pressure, no leakage, and leakage.

Q: Differences and connections between fasteners and seals: Seals as the name suggests is a sealing role, in order to prevent equipment exposed oil and gas, so as to have working pressure, equipment running normally, according to the material generally have metal seal, packing seal (graphite), rubber seal.

Q: You want to ask knowledgeable friends. I want to do at home produced small seal factory. The former is to buy it do seal butterfly valve. Now they want to engage in their own ring. Do not know what equipment and capital equipment. Then buy new and used funds is how much. Is the production of multi-level sealing ring and PTFE. What materials should I indebted forever: These two are completely different materials, the rubber ring is generally rubber, PTFE is plastic, the production process is not the same. Not familiar with, or first learn more professional knowledge!

Q: Classification of the use of seals: Seals can be divided into two categories: static seal and dynamic seal. Static seals are mainly gasket seal, sealant sealing and direct contact sealing three categories. According to the work pressure, static seal can be divided into medium and low pressure static seal and high pressure static seal. Low and medium pressure static seals are usually made of soft and wide width gasket. High pressure and static seals are made of hard material and metal gaskets with narrow width. Dynamic seals can be divided into rotary seal and reciprocating seal two basic types. According to the seal of the relative movement of the parts is divided into sealing contact, contact and non-contact seal; according to the seal and the contact position can be divided into circumferential seal and the seal, the seal is also called mechanical seal. The centrifugal seal and spiral seal in the dynamic seal are sealed by the power of the medium when the machine is running, so it is sometimes called the power seal.

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