180＜137.7163166951058175
M215×6219＜168.82002081151258M240×6245＜189.32262331351458M270×6273＜214.52522621451558M295×6299＜2352752871551658M320×6325＜255.63023121801908M350×6356＜280.23323421952058M370×6377＜296.63503621902008M420×6
426＜338.24024122252358175
M215×6219＜178.62022081151258M240×6245＜200.22282331351458M270×6273＜226.72552621451558M295×6299＜248.42752871551658M320×6325＜2703053121801908M350×6356＜296.13353421952058M370×6377＜313.43503621902008M420×6
426
＜357.2
402
412
225
235
8
8管子及管件焊缝坡口型式和尺寸要求
8.1管子及管件焊缝坡口型式和尺寸要求按图2的规定。
a)壁厚4mm~22mm
b)壁厚＞22mm
图2管子管件焊缝坡口型式和尺寸要求
9法兰连接
9.1法兰连接形式按图3的规定。9.2法兰连接尺寸按表9的规定。
图3表
9
公称压力
公称直径
管子及成型零件法兰螺纹管子管件阀门M14×1.5M24×2M33×2M42×2M48×2M65×2M80×3M100×3M125×4M155×4M175×4M215×6M240×6M270×6M295×6M320×6M350×6M370×6M420×6
管子及成型零件密封面外径(mm)
法兰连接图
法兰连接尺寸
法兰
透镜垫
K
(mm)
管间距e1
(mm)
管子与法兰端面间距e2
(mm)
双头螺栓
PNDN610152532
管子管件阀门1018273541587090112130155193218243270295326350385
Dφ
(mm)
b
(mm)
φ
(mm)
S
(mm)
数量(个)333446666888881212121212
dM14M16M16M16M20M24M27M30M33M36M39M45M48M56M48M52M56M60M64
l
(mm)
7095105115135165200225260300330400440480540560600640700
152020222532405060757890110120130155165165195
4260688095115145170195235255315350380425460490520580
16181818222629333639424852605156606468
8.58.5910111214162024283238404347505658
7.26.55.85.86.86.58.18.110.91515.81620.722.418.822.221.923.526.3
2222333444559999999
80959595120140165195220265275315380415415475510515585320260
40506580100125150175200(225)
320225250(275)300
9（续）
公称压力
公称直径
管子及成型零件法兰螺纹管子管件阀门M240×6M270×6M295×6M320×6M350×6M370×6M420×6M14×1.5M24×2M24×2M33×2M42×2M52×2M65×2M80×3M100×3M125×4M155×4M175×4M215×6M240×6M270×6M295×6M320×6M350×6M370×6M420×6M215×6M240×6M270×6M295×6M320×6M350×6M370×6M420×6
管子及成型零件密封面外径(mm)
法兰
透镜垫
K
φ
(mm)
管间距e1
(mm)
管子与法兰端面间距e2
(mm)
双头螺栓
PNDN175200(225)
管子管件阀门218243270295326350385101819.5283848617594115146163200226252275302332350402202228255275305335350402
Dφ
(mm)
b
(mm)
S
(mm)
数量(个)88121212121233334666668888812121212128881212121212
(mm)
dM48M56M48M52M56M60M64M14M16M16M16M16M24M24M27M30M33M36M39M45M48M56M48M52M56M60M64M45M48M56M48M52M56M60M64
l
(mm)
440480540560600640700709595105115165165200225260300330400440480540560600640700400440480540560600640700
1101201301551651651951520202022283240506075789011012013015516516519590110120130155165165195
3503804254604905205804260606880115115145170195235255315350380425460490520580315350380425460490520580
5260515660646816181818182626293336394248526051566064684852605156606468
384040414348508.58.58891012141618202231343638404345472629293133363840
22.923.72020.619.822.124.97.26.55.96.366.98.210.511.112.912.814.917.919.519.320.821.221.722.621.616.618.217.218.119.019.621.820.3
99999992222333444559999999989999999
3804154154755105155858095959595130140165195220265275330380415415475510515585330380415415475510515585
260225250(275)300610152532
220160
40506580100125150175200225
220
(250)250300(300)350175200225
160
(250)250300(300)350
10拧入式法兰连接
图4
10.1拧入式法兰连接形式按图4的规定。10.2拧入式法兰连接尺寸按表10的规定。
表
10
公称压力
公称直径
管子及成型零件法兰螺纹管子管件阀门M14×1.5M24×2M33×2M42×2M48×2M65×2M80×3M100×3M125×4M155×4M175×4M215×6M240×6M270×6M295×6M320×6M350×6M370×6M420×6
管子及成型零件密封面外径(mm)
拧入式法兰连接图
拧入式法兰连接尺寸
透
法兰
镜垫
管间距e1
(mm)
管子与法兰端面间距e2
(mm)
双头螺栓
PNDN610152532
管子管件阀门1018273541587090112130155193218243270295326350385
Dφ
(mm)
b
(mm)
K
(mm)
φ
(mm)
S
(mm)
数量333446666888881212121212
dM14M16M16M16M20M24M27M30M33M36M39M45M48M56M48M52M56M60M64
L1
(mm)
l
(mm)
7095105115135165200225260300330400440480540560600640700
152020222532405060757890110120130155165165195