Воздушный клапан стволовых сальник

Air valve stem oil seal 1. Air valve stem oil seal resistant to high temperature, can work under high temperature 200 °C, high-speed rotation can be played under the seal effect. 2.Oil, corrosion resistance, weather resistance and excellent ozone resistance. 3.Seals for rotating shaft (or reciprocating shaft) and between the box to prevent the cabinets of the oil (or water, chemical liquid) from the shaft and tank leak out between the gap and prevent outside dust from entering the box, etc. . Long-term use temperature of -60 °C to 220 °C for different information. 4.Our company is based on customer requests to do product, need to offer customers want to give us the drawings, as well as parameters specific requirements. Thanks! HardnessShaw A-Elongation at breakNot less than%Tensile strengthNot less than MpaConstant compressionPermanent deformationNot more than%Brittle temperatureNot higher than °CHot air aging 150 °C × 70hOil volumeRate% change70±51501420-2510-30%-25%60