接头工作压力表WorkingPressure接头联接型式Connection1国标接头联接型式GBConnection74°锥面密封型式74°ConeSeal(GB/T)pressionFitting(DIN2353)用24°锥面加O形圈密封型式24°ConeO-RingSeal(DIN3865)用球面与24°锥面密封型式MultisealTo24°Cone3美国接头联接型式AmericanThreadType用60°锥管螺纹密封型式60°TaperedThreadSeal(SAEJ514)90°锥面密封型式90°ConeSeal(SAEJ513)用O形圈密封的法兰接头FlangeCoupling(SAEJ518)
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