D
D 1
d o
T n
n
D
D 1d o T n n 6654011M1048704511M10410755011M10415805511M10420906511M104251007511M10432120901305M1244013010013.5M1245014011013.5M1246516013013.5M1248019015017.5M1641002101701705M16412524020017.5M16815026522517.5M16817529525517.5M16820032028017.5M16822534530517.5M16825037533517.5M161230044039522M201235049044522M201240054049522M201645059555022M201650064560022M202055070566526M242060075570526M242065081076026M242070086081026M242475092086530M272480097592030M27249001075102030M272410001175112030M272811001275122030M27281305124033M302812001375132030M27321405134033M303213001475142030M27321520145036M333214001575152030M27361630156036M333615001690163030M27361730166036M333616001790173030M27401830176036M334018001990193030M27442045197039M364420002190213030M27482265218042M394822002405234033M30522475239042M395224002605254033M30562685260042M39562600
2805274033M3060
2905
2810
48
M45
60
P N ≤2.5巴（2.55公斤/厘米2）P N =6巴（6.12公斤/厘米2）
按P N6
公称直径D N
按PN=6
一般用途法兰连接尺寸见表
公称压力PN≤、PN=6、10巴的法兰连接尺寸（毫米）
28003030296036M33643115302048M456430003230316036M33683315322048M456832003430336036M33723525343048M457234003630356036M33763735364048M457636003840377036M33803970386056M5280
38004045397039M368040004245417039M3684
D
D 1
d o
T n
n
D
D 1
d o
T n
n
6
8101520253240506518514518M1648010022018017.5M168
12525021017.5M16815028524022M20817531527022M20833028026M241220034029522M201236031026M241222537032522M201239534030M271225040535526M241242537030M271230046041026M241248543030M271635052047026M241655549033M301640058052530M271662055036M331645064058530M272067060036M332050071565033M302073066036M332055077571033M302078571039M362060084077036M332084577039M362065086079036M332489582039M362470091084036M332496087542M392475097090036M3324101293542M3924800102595039M3624108599048M45249001125105039M36281185109048M452810001255117042M39281320121056M522811001355127042M39321420131056M523212001485139048M45321530142056M523213001585149048M45321645153062M56321400
1685
159048M45
36
1755164062M5636
按PN=40公称压力PN=16、PN=25及PN=40的法兰连接尺寸（毫米）
公称直径D N
P N ≤2.5巴（2.55公斤/厘米2）P N =6巴（6.12公斤/厘米2） 按PN=40
按PN=40
15001820171056M52361865175062M5636 16001930182056M52401975186062M5640 18002130202056M52442195207070M6444 20002345223062M56482425230070M6448 22002555244062M5652
24002765265062M5656
26002965285062M5660
D D1D2b1b2b3d0d孔数n 1580554012121018124 2090655014121225124 25100756014141232124 32120907016141238144 401301008016141245144 501401109016141257144 6516013011016141473144
80185150
125
（128）
181********
100205170
145
（148）
181614108184
125235200
175
（178）
201814133188
150260225
200
（202）
201816159188
1752902552302216194188 2003152802552218219188 2253403052802220245188 25037033531024222731812 30043539536224223252312 35048544541226223772312 40053549546228224262316 45059055051828244782316 50064060056830245292316 60075570567030246302520 70086081077530267202524 80097592088030268203024 9001075102098030289203024 1000117511201080303010203028 1200137513201280303012203032 1400157515201480303214203036 1500169016301590303036
Dg(毫米）
Pg=6(公斤/厘米2）Pg=2.5(公斤/厘米2）
（毫米）
Dg(毫米）
D D1D2b1b2b3d0d孔数n 1580554012121218124 2090655014121425124 25100756014141432124 32120907016141638144 401301008016141645144 501401109016141657144 6516013011016141673144
80185150
125
（128）
181********
100205170
145
（148）
181618108184
125235200
175
（178）
201820133188
150260225
200
（202）
201820159188
1752902552302222194188 2003152802552222219188 2253403052802222245188 25037033531024242731812 30043539536224243252312 35048545541226263772312 40053549546228284262316 45059055051828284782316 50064060056830305292316 60075570567030306302520 70086081077532327202524 80097592088034328203024 9001075102098036349203024 1000117511201080363610203028 1200140013401295403432 1400162015601510443436 1500172016601610463436
D D1D2b1b2b3d0d孔数n 1595654514141218144 20105755516161425144
2511585
65
（68）
16161432144
3213507818181638184
40145110
85
（88）
181********
Dg(毫
米）
（毫米）
Dg(毫米）Pg=10(公斤/厘米2）
（毫米）
50160125100（102）2020185718465180145120（122）2020207318480195160135（138）22222089184100215180155（158）222422108188125245210185（188）2426
2413318815028024021024241592381753102702402624194238200335295265262421923822536532529526242452382503903503202826273231230044040036828283252312350500460428302837723164005655154823230426251645061556553232304782520500670620585343252925206007807256853636
630
302070089584080040302480010109509054434249001110105010054634281000122011601115503428120014501380132556413214001675
1590
1525
62
48
36
D D 1D 2b 1b 2b 3
d 0d 孔数n 1595654514141418
14420105755516161625144251158565(68)161618321443213510078181818381844014511085(88)1818204518450160125100(102)2020247318465180145120(122)2020247318480195160135(138)22222489188100215180155(158)242426108188125245210185(188)2626
28133188150
280
240
210
28
28
159
23
8
Dg(毫米）Pg=16(公斤/厘米2）（毫米）
175310270240282819423820033529526530302192312225365325295303024523122504053553203232273251230046041037534323252512350520470435383437725164005805254854038426301645064058554544424783020500705650608464852934206008407707185450630
4120700910840788544114800102095089854412490011201050998544128100012551170111060
4828
120014001500
铸钢螺纹
钢铸钢螺纹
钢铸钢螺纹
钢铸钢螺纹
钢150.4030.290.4030.3350.6350.5110.6350.711200.520.450.520.5360.9020.7480.9020.867250.7420.5530.7420.641 1.40.89 1.4 1.17432 1.60.795 1.06 1.097 1.75 1.4 1.75 1.64010210.87 1.21 1.219 1.98 1.71 1.98250 1.380.954 1.38 1.348 2.63 2.09 2.63 2.6165 1.78 1.43 1.78 1.67 3.47 2.84 3.47 3.4580 2.4 1.95 2.4 2.48 4.3 3.24 4.3 3.71100 2.97 2.2 2.97 2.89 4.87 4.01 4.87 4.8125 4.18 2.78 4.18 3.947.04
5.47.04
6.47150 4.85 3.49 4.85
4.47 6.127.92175 3.86
5.547.448.81200 4.88
6.078.2410.1225 5.93 6.69.311.7250
7.32
8.0310.715.7300
9.410.312.918.135010.512.5915.923.340011.115.221.83145014.917.5924.440.250016.220.6727.755.160020.626.5739.4
80.3
70029.937.180036.746.290044.255.11000
52.7
57.3
Dg(毫米）
重量（公斤/个）
Pg=2.5(公斤/厘米2）Pg=6(公斤/厘米2）Pg=10(公斤/厘米2）Pg=16(公斤/厘米2）
120065.9 140078.3 1500
毫米）
P N=10巴（10.20公斤/厘米2）
D D1d o T n n
34029522M208
37032522M208
39535022M2012
44540022M2012
50546022M2016
56551526M2416
61556526M2420
67062026M2420
73067530M2720
78072530M2720
83578030M2724
89584030M2724
96590033M3024
101595033M3024
1115105033M3028
1230116036M3328
1340127036M3332
1455138039M3632
1575149042M3936
1675159042M3936
1785170042M3940
1915182048M45
2115202048M4544
2325223048M4548
2550244056M5252
2760265056M5256
2960285056M5260
3180307056M5264
3045329062M5668
）
P N=10巴（10.20公斤/厘米2）
D D1d o T n n
755011M104
805511M104
906013.5M124
956513.5M124
1057513.5M124
1158513.5M124
14010017.5M164
15011017.5M164
16512517.5M164
18514517.5M168
20016017.5M168
23519022M208
27022026M248
30025036M248
35029530M2712
37532030M2712
42035533M3012
45038533M3012
51545033M3016
58051036M3316
66058539M3616
68561039M3620
75567042M3920
83574048M4520
89079548M4520
94585048M4524
99590048M4524
108097056M5224
1140103056M5224
1250114056M5228
1360125056M5228
1460135056M5232
1575146062M5632
1685157062M5632
1795168062M5636
1925180070M6436 2025190070M6440