一、T型焊接过滤器主要连接尺寸名称公称直径DN(mm)PN2.0PN5.0B(in)L2(mm)L1(mm)L(mm)L2(mm)L1(mm)L(mm)普通型50250149281268158298R1／2(65)292170325304179337R1／280312181.5352330195.5370R1／2100362267412382225432R3／4150464259.5539482280557R314200560311660578332.5678R3／4250636350.5761666383791R314300736400886768437918R3／4350812441955844476990R3／440086446910259025091060R3／4名称公称直径PN2.0PN5．OB(in)DN(mm)L2(mm)L1(mm)L(mm)L2(mm)L1(mm)L(mm)普通型50250235450268235450R1／2(65)292265510304265510R1／280312300570330300570R1／2100362355700382355700R3／4150464485900482445900R3／420056051010305785101030R3／425063659011906665901190R3／430073667513907686751390R3／435081274015508447401550R3／440086479516809027951680R3／4)