Discussion on the type of rubber O ring
(1) the rubber O circle should avoid storage in direct sunlight, moisture and air transfer of local, storage of rubber O-ring for temperature of 0-20 degree, for the humidity in the air for more than 70%. In addition, it should be to prevent the radiation, smoke, insects, rodents, dust, sand, mechanical damage and other damage.
(2) the rubber O - ring storage must be more than 1 meters from the heat source, do not allow the same acid, alkali, solvents and oils and other liquids, gas touch. Storage is not allowed to use any of the ozone attack equipment.
(3) do not allow compression, tensile deformation or other methods, are not allowed to use the string, wire and other products will wear bolt is hung up.
(4) the rubber O - ring is a common plastic bag, and the useful storage period is 2-3 years.
Do a good job in the selection of rubber O-ring, surrounding conditions, on the progress of rubber O-ring sealing effect, extending its using life, cut unnecessary disassembly times, reduce downtime and improve economic efficiency has important practical significance.
Rubber O ring standard model mainly has UHSO ring standard, UHPO ring standard, UNO ring standard, DHO ring standard, piston rod type O ring standard, high temperature high pressure O ring, O ring, O ring corrosion resistance, abrasion resistance of O type rubber O ring for the ring. A variety of sealing methods: static seal, dynamic seal, suitable for all kinds of useful information, scale and groove has been standardized and interchangeable. The rubber O ring for a variety of sports methods: rotation, axial reciprocating motion or motion (such as rotary reciprocating movement. The sealing medium combination) rubber O ring for a variety of different samples the oil, water, gas, or other chemical substances mixed media. After the selection of a suitable rubber material and appropriate formula of description, oil, water, air, gas sealing effect and chemical medium. Using a wide range of useful temperature (- 60 DEG to 220 DEG), fixed by pressure Up to 1500Kg/cm2 (and the reinforcing ring is used).
Rubber O-ring depicting simple, delicate layout, assembly and disassembly convenience type O sealing ring section layout extremely simple and self sealing, sealing reliable function. Due to the rubber itself and the position of the equipment layout is extremely simple, and constituted a standardized, so the equipment replacement are very simple.
Rubber O ring material. According to different fluid selection: nitrile rubber (NBR), fluorine rubber (FKM), silicone rubber (VMQ), ethylene propylene rubber (EPDM), chloroprene rubber (CR), butyl rubber (BU), polytetrafluoroethylene (PTFE), natural rubber (NR).O ring is suitable for all kinds of mechanical equipment, the pressure in the rule of temperature, liquid and gas as well as the same medium, or to stop movement under the condition of sealing effect. In machine tools, ships, vehicles, aerospace equipment, metallurgical machinery, chemical machinery, engineering machinery, construction machinery, mining machinery, petroleum machinery, plastic machinery, agricultural machinery, and all kinds of instruments and meters, many applications of various types of the sealing element.