1、GB/T3734-2008表1卡套式锥螺纹直通管接头和接头体尺寸单位为毫米最大管子工作系列压力/外径DD参考参考参考MPaM8X1R1/8NPT 1/838.51220.526.510145M10X1R1/8NPT1/838.51220.526.512146.5LL106M101R1/8NPT1/88.51220.526.5146.5M12X1R1/8NPT1/84.58.51321.527.514147.56M121.5R1/8NPT1/848.51422.530.5148M141.5R1/4NPT1/4612.51527.535.51719810M161.5R1/4NPT1/4712.51
2、628.536.51919912M181.5R3/8NPT3/891317.530.538.5222210.5(14)M201.5R1/2NPT1/2111717344224271015M22X1.5R1/2NPT1/211171835分272711L(16)M241.5R1/2NPT1/2121718.535.544.5302718M26X1.5R1/2NPT1/214171936452711.51622M30X2R3/4NPT3/41818213948363213.528M36X2RINPT12321.52243.552.5414114.51035M45X2R1NPTI3024254960
3、505014.542M52X2R15NPTI36242751636055166M141.5R1/4NPT1/412.51830.538.517198M161.5R1/4NPT1/412.52032.540.519191310M181.5R3/8NPT3/81320.533.542.522224012M201.5R3/8NPT3/813223544242214.5(14)M221.5R1/2NPT1/21017234049272715.516M24X1.5R1/2NPT1/217244151302715.59M302R3/4NPT3/41518284657363217.52525M36X2RINPTI2021.53253.565.56412030M422R1NPT1%2524345871505020.51638M522R1NPT13224396378605523注：尽可能不采用括号内的规格，
