ZH300-2009高压管、管件及紧固件标准(4)

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

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