Type O sealing ring - performance requirements Dongguan DongSheng di sealing products co. , LTD

Type O sealing ring is a kind of fault for the circular sealing ring, is the use of common industrial seals, simple structure, compact size, good sealing, low cost, suitable for all kinds of medium, the temperature and pressure requirements, are widely used in hydraulic pneumatic system, and the oil pump, fan, compressor, mixer, chemical machinery and other fields, the conventional type O sealing ring have what performance requirements? 1, the tensile strength while type O sealing ring in working process of the main bear compressive stress, but also must have the basic tensile strength. This is not only the need of a material and a sealing structure blowout phenomenon occurs without need of tear. Type O sealing ring tensile strength requirement is mainly aimed at all kinds of rubber bonding fiber reinforced plate made of nonmetal type O sealing ring, due to the transverse tensile strength and the longitudinal tensile strength is often not the same, but the former is lower than the latter, so it always refers to the transverse tensile strength. 2, crushing strength type O sealing ring compression stress is larger, the better sealing effect, but the ring stress is too large, will happen type O sealing ring fracture. Sealing ring crushing limit load, known as the great seal of the intensity. Crushing strength related to working temperature and thickness of the sealing ring, such as 1. 5 mm thick asbestos rubber sheet in the hook strength at room temperature to 110 mpa, and 3 mm thick asbestos rubber seals sheet is only 60 mpa; The same seal 300 ℃ when the crushing strength of 72 mpa and 38 mpa respectively. Different materials and form sealing ring crush strength of the natural is different also. 18 years seal factory, choose a different material can meet different high and low temperature resistance, high and low pressure resistance, abrasion resistance, acid and alkali and other chemical medium, corrosion resistance, aging, knight of the oil pressure and fatigue condition of the environment, can according to customer demand design suitable type O sealing ring, welcome consulting more problems.
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