KY型孔用密封圈产品用途：本标准广泛用于工程机械液压—油缸，在往复运动中，起到良好的密封作用。工作压力：≤40MPa工作温度：热塑型（TPU）：－40～＋85℃浇注型（CPU）：－40～＋120℃工作介质：液压油、乳化液、空气产品硬度：90A±5材质：聚氨酯（TPU）、聚氨酯（CPU）、橡胶标准来源：GB2879-81产品特点：结构简单、截面小、安装方便、耐油、耐磨、耐高温、抗冲击，在恶劣工况下起到良好的密封效果。产品编号D（外径）d（内径）H（高度）B（厚度）安装尺寸G1（沟槽）G2（沟槽）KYD20×420125.646.37.8×5107589.5KYD25×425175.646.37.8×5157589.5KYD36×536287589.5×7.52611.57.512.514KYD40×540327589.5×7.53011.57.512.514KYD50×550407589.5×7.53511.57.512.514KYD63×5564611.5512.514×7.541157.51617.5KYD63×5635311.5512.514.5×7.549157.51618KYD70×7.5705511.57.512.514.5×105015101618KYD80×7.5806511.57.512.514.5×106015101618KYD90×7.5907511.57.512.514.5×107015101618KYD100×7.51008511.57.512.515×108015101618.5KYD110×7.51109511.57.512.515×109015101618.5KYD125×1012510515101618.5×12.51101912.52022.5KYD140×1014012015101618.5×12.51151912.52022.5KYD160×1016014015101618.5×12.51351912.52022.5KYD180×1018016015101619×12.51551912.52023KYD200×12.52001751912.52023×1517023.5152528KYD220×12.52201951912.52023×1519023.5152528KYD250×12.52502251912.52023×1522023.5152528KYD280280250KYD320320290KYD360360330KYD40040036030.5203236KYD450450410KYD500500460标记示例：D=50mm,B=7.5mm的KY形孔用密封圈标记：KYD50×7.5)