螺栓规格外径内径厚度高度压平载荷N建议预紧扭矩N.MM1018.310.43.003.20163543.0M1221.812.43.653.853154076.0M1425.314.44.254.5043320121.0M1629.216.65.105.3860310193.0M1832.618.65.906.1763360300.0M2036.520.86.156.4569150373.0M2240.522.87.407.80123500542.0M2443.524.87.507.90134290644.0M2748.827.88.408.80176680954.0M3054.030.89.5010.002145851287.5M3257.532.89.5510.6.0M3664.536.811.5012.103145002261.0M3868.038.913.0013.603982103035.0M4274.942.914.6015.204759503998.0M4886.049.214.1815.605091304889.0M5292.553.215.8016.705852805966.0M56103.057.417.9018.857126957235.0M64114.565.420.0021.009389259458.0M72127.073.422.1023.301.0M80140.081.526.6027.700.0M90156.091.530.6031.80222490040000.0M100181.5101.518.2020.60111480518405.0M110196.0111.538.5040.00354452078285.0
高扭矩碟簧，全称超高扭力碟形弹簧垫圈，也被称之为20813美标碟簧。高扭力碟簧由耐高温材料制作而成，可在-200℃~600℃范围内起到有效补偿作用，使螺栓对垫片的预紧力保持在一定范围，从而防止螺栓疲劳和垫片失效，同时也极大地提高了设备的维护保养周期。
高扭力碟簧能有效吸收机械振动，避免因机械振动造成螺栓松动，确保密封持久可靠。
“双原弹簧”严格遵循美标20813生产制造的高扭力碟簧具有高疲劳寿命、变形量小、承载能力高等特点，是螺栓连接的**选择
