Flanges, in turn, are reliable and, above all, detachable fasteners. Here, pipes can be tightly sealed, but also connected/joined. Machining options for sealing surface, but also tongue and groove are available.

Blind flanges

Carbon steel blind flanges according to 1092-1, type 05
Factory certification according to EN 10204/3.1 and on request also with TÜV approval

from production also in 13CrMo4-5, 10CrMo9.10

blind flange
Overview 
Dimension range
DN 10 – DN 2000
Pressure stages
PN 6 – PN 400
Materials  
P355QH1 
P250GH 
16Mo3 

Carbon steel – blind flanges (PN = Pressure Nominal)

Blindflansche EN 1092-1 Typ 1/DIN 2527 PN 6, APZ EN 10204/3.1 B
Werkstoffe: C 22.8, 16Mo3, 13CrMo45, 10CrMo9.10
NennweiteFlanschd9
max.
AnsatzGewicht in kg für
DbkAnzahlGewinded2Form BForm T
107512504M 10110.38
158012550.44
209014650.65
2510014750.82
321201490M 12141.17
40130141001.39
50140141101.62
6516014130552.442.48
801901615070M 16183.433.49
10021016170904.764.86
1252401820011586.116.28
150265182251407.517.75
2003202028019012.312.7
250375223352351218.319
30044022395285M 202225.326.3
3505902244533031.632.9
400540224953801638.440.2
500645246004752060.463.2
Blindflansche EN 1092-1 Typ 1/DIN 2527 PN 10, APZ EN 10204/3.1 B
Werkstoffe: C 22.8, 16Mo3, 13CrMo45, 10CrMo9.10
NennweiteFlanschd9
max.
AnsatzGewicht in kg für
DbkAnzahlGewinded2Form BForm T
109014604M 12140.63
159514650.72
2010516751.01
2511516851.23
3214016100M 16181.8
40150161102.09
50165181252.88
6518518145553.663.7
80200201607084.774.83
10022020180905.655.75
125250222101158.428.59
1502852224014010.410.6
20034024295190M 202216.516.9
25039526350235122424.7
3004452640028530.931.9
350505264603301640.641.9
40056526515380M 242649.451.2
50067028620475207577.8
Blindflansche EN 1092-1 Typ 1/DIN 2527 PN 16, APZ EN 10204/3.1 B
Werkstoffe: C 22.8, 16Mo3, 13CrMo45, 10CrMo9.10
NennweiteFlanschd9
max.
AnsatzGewicht in kg für
DbkAnzahlGewinded2Form BForm T
109014604M 12140.63
159514650.72
2010516751.01
2511516851.23
3214016100M 16181.8
40150161102.09
50165181252.88
6518518145553.663.7
80200201607084.774.83
10022020180905.655.75
125250222101158.428.59
15028522240140M 202210.410.6
200340242951901216.116.5
25040526355235M 242624.925.6
3004602841028535.136.1
350520304703301647.849.1
40058032525380M 273063.565.3
5007153665047520M 3033102105
Blindflansche EN 1092-1 Typ 1/DIN 2527 PN 25, APZ EN 10204/3.1 B
Werkstoffe: C 22.8, 16Mo3, 13CrMo45, 10CrMo9.10
NennweiteFlanschd9
max.
AnsatzGewicht in kg für
DbkAnzahlGewinded2Form BForm T
109016604M 12140.72
159516650.81
2010518751.24
2511518851.38
3214018100M 16182.03
40150181102.35
50165201253.2
65185221455584.294.33
8020024160705.885.94
1002352419090M 20227.547.64
12527026220115M 2410.811
150300282501402614.514.7
200360303101901222.322.7
25042532370237M 273033.534.2
300485344302851646.347.3
35055538490332M 30336869.3
40062040550380M 333689.791.5
5007304566047520138141
Blindflansche EN 1092-1 Typ 1/DIN 2527 PN 40, APZ EN 10204/3.1 B
Werkstoffe: C 22.8, 16Mo3, 13CrMo45, 10CrMo9.10
NennweiteFlanschd9
max.
AnsatzGewicht in kg für
DbkAnzahlGewinded2Form BForm T
109016604M 12140.72
159516650.81
2010518751.24
2511518851.38
3214018100M 16182.03
40150181102.35
50165201253.2
65185221455584.294.33
8020024160705.885.94
1002352419090M 20227.547.64
12527026220115M 242610.811
1503002825014014.514.7
2003753432019012M 273027.227.6
25045038385235M 303343.844.5
300515424502851663.364.3
35058046510330M 333689.590.8
40066050585380M 3639127129
5007555667020M 3942172175
Blindflansche EN 1092-1 Typ 1/DIN 2527 PN 64, APZ EN 10204/3.1 B
Werkstoffe: C 22.8, 16Mo3, 13CrMo45, 10CrMo9.10
NennweiteFlanschSchraubenGewicht kg
Dbkd3d4d9 maxfAnzahlGewinded2
1010020703240 -24M 12141
1510520753445 -24M 12141.22
25140241005268 -24M 16182.65
32155241106278 -24M 20223.24
40170261257088 -34M 20224.09
501802613582102 -34M 20224.51
6520526160981224538M 20225.71
80215281701121386038M 20226.92
100250302001381628038M 242610.1
1252953424016818810538M 273016
1503453628020221813038M 303323.5
20041542345256285180312M 333639.7
25047046400316345220312M 333657.4
30053052460372410270416M 333681
35060056525420465310416M 3639114
40067060585475535360416M 3942153
Blindflansche EN 1092-1 Typ 1/DIN 2527 PN 100, APZ EN 10204/3.1 B
Werkstoffe: C 22.8, 16Mo3, 13CrMo45, 10CrMo9.10
NennweiteFlanschSchraubenGewicht kg
Dbkd3d4d9 maxfAnzahlGewinded2
1010020703240 - 24M 12141
1510520753445 - 24M 12141.22
25140241005268 - 24M 16182.65
32155241106278 - 24M 20223.24
40170261257088 - 34M 20224.09
501952814590102 - 34M 24265.84
65220301701081224538M 24268.03
80230321801201386038M 24269.43
100265362101501628038M 273014.3
1253154025018018810538M 303322.6
15035544290210218130312M 303331.8
20043052360278285180312M 333656.1
25050560430340345210312M 363989.6
30058568500400410260416M 3942119
35065574560460465300416M 4548175
Product request
Weld neck flanges

C-steel welding neck flanges according to 1092-1, type 11
Factory certification according to EN 10204/3.1 and on request also with TÜV approval

from production also in 13CrMo4-5, 10CrMo9.10

welding neck flange
Overview 
Dimension range
DN 10 – DN 2000
Pressure stages PN 6 – PN 400
Materials  
P355QH1 
P250GH 
16Mo3 

Carbon steel – Weld neck flanges (PN = Pressure Nominal)

Vorschweißflansche EN 1092-1 Typ 11/DIN 2632 PN 10, APZ EN 10204/3.1 B
Werkstoffe: C 22.8, 16Mo3, 13CrMo45, 10CrMo9.10
Rohr-AnschlußmaßeFlanschAnsatzDichtleisteSchraubenGewicht kg
Nennweited1Dbkh1d3srh2d4fAnzahlGewinded2
1017.290146035281.8464024M 12140.58
1521.395146535322464524M 12140.65
2026.9105167538402.3465824M 12140.95
2533.7115168538452.6466824M 12141.14
3242.41401610040562.6667824M 16181.69
4048.31501611042642.6678834M 16181.86
5060.31651812545752.96810234M 16182.53
6576.11851814545902.961012234M 16183.06
8088.920020160501053.281013838M 16183.7
100114.322020180521313.681215838M 16184.62
125139.72502221055156481218838M 16186.3
150168.328522240551844.5101221238M 20227.75
200219.134024295622355.9101626838M 202211.3
25027339526350682926.31216320312M 202214.7
300323.944526400683447.11216370412M 202217.4
350355.650526460683857.11216430416M 202223.6
400406.456526515724407.11216482416M 242628.6
50050867028620755427.11216585420M 242638.1
60061078028725806427.11218685520M 273044.6
700711895308408074581218800524M 273062.4
8008131015329509085081218905524M 303384.1
9009141115341050959501012201005528M 303398.5
1000101612303411609510521016201110528M 3336115
12001220145538138011512551116251330532M 3639182
14001420167542159012014601216251535536M 3642248
16001620191546182013016651416251760540M 4548347
18001820211550202014018681516301960544M 4548430
20002020232554223015020721616302170548M 4548539
22002220255058244016022751818352370652M 5256658
24002420276062265017024782018352870656M 5256825
26002620296066285018026802218402780660M 5256979
28002820318070307019028822218403000664M 52561156
30003020340575329020030852418453210668M 56621402
Vorschweißflansche EN 1092-1 Typ 11/DIN 2633 PN 16, APZ EN 10204/3.1 B
Werkstoffe: C 22.8, 16Mo3, 13CrMo45, 10CrMo9.10
Rohr-AnschlußmaßeFlanschAnsatzDichtleisteSchraubenGewicht kg
Nennweited1Dbkh1d3srh2d4fAnzahlGewinded2
1017.290146035281.8464024M 12140.58
1521.395146535322464524M 12140.65
2026.9105167538402.3465824M 12140.95
2533.7115168538452.6466824M 12141.14
3242.41401610040562.6667824M 16181.69
4048.31501611042642.6678834M 16181.86
5060.31651812545752.96810234M 16182.53
6576.11851814545902.961012234M 16183.06
8088.920020160501053.281013838M 16183.7
100114.322020180521313.681215838M 16184.62
125139.72502221055156481218838M 16186.3
150168.328522240551844.5101221238M 20227.75
175193.731524270602105.4101224238M 20229.85
200219.134024295622355.91016268312M 202211
25027340526355702926.31216320312M 242615.6
300323.946028410783447.11216378412M 242622
350355.6520304708239081216438416M 242631.2
400406.4580325258544581216490416M 273039.3
500508715346509054881216610420M 303361
60061084036770956528.81218725520M 333675.4
700711910368401007558.81218795524M 333677
800813102538950105855101220900524M 3639101
90091411254010501109551012201000528M 3639122
10001016125542117012010581016221115528M 3942162
120012201485481390130126212.516301330532M 4548243
140014201685521590145146514.216301530536M 4548323
16001620193058182016016681616351750540M 5256479
180018202130622020170187017.516351950544M 5256599
20002020234566223018020722016402150548M 5662719
Vorschweißflansche EN 1092-1 Typ 11/DIN 2634 PN 25, APZ EN 10204/3.1 B
Werkstoffe: C 22.8, 16Mo3, 13CrMo45, 10CrMo9.10
Rohr-AnschlußmaßeFlanschAnsatzDichtleisteSchraubenGewicht kg
Nennweited1Dbkh1d3srh2d4fAnzahlGewinded2
1017.290166035281.8464024M 12140.661
1521.395166538322464524M 12140.746
2026.9105187540402.3465824M 12141.06
2533.7115188540462.6466824M 12141.29
3242.41401810042562.6667824M 16181.88
4048.31501811045642.6678834M 16182.33
5060.31652012548752.96810234M 16182.82
6576.11852214552902.961012238M 16183.74
8088.920024160581053.281213838M 16184.75
100114.323524190651343.681216238M 20226.52
125139.72702622068162481218838M 24269.07
150168.330028250751924.5101221838M 242611.8
175193.733028280752185.61015248312M 242613.4
200219.136030310802446.31016278312M 242617
25027342532370882987.11218335312M 273024.4
300323.9485344309235281218395416M 273031.2
350355.65553849010039881220450416M 303347.2
400406.4620405501104528.81220505416M 333661.7
50050873044660125558101220615420M 333689.6
60061084546770125660111220720520M 3639104
7007119604687512576012.51220820524M 3942136
80081310855099013586514.21222930524M 4548186
90091411855410901459681612241030528M 4548236
100010161320581210155107017.516241140528M 5256307
Vorschweißflansche EN 1092-1 Typ 11/DIN 2635 PN 40, APZ EN 10204/3.1 B
Werkstoffe: C 22.8, 16Mo3, 13CrMo45, 10CrMo9.10
Rohr-AnschlußmaßeFlanschAnsatzDichtleisteSchraubenGewicht kg
Nennweited1Dbkh1d3srh2d4fAnzahlGewinded2
1017.290166035281.8464024M 12140.661
1521.395166538322464524M 12140.746
2026.9105187540402.3465824M 12141.06
2533.7115188540462.6466824M 12141.29
3242.41401810042562.6667824M 16181.88
4048.31501811045642.6678834M 16182.33
5060.31652012548752.96810234M 16182.82
6576.11852214552902.961012238M 16183.74
8088.920024160581053.281213838M 16184.75
100114.323524190651343.681216238M 20226.52
125139.72702622068162481218838M 24269.07
150168.330028250751924.5101221838M 242611.8
175193.735032295822185.61015260312M 273018.2
200219.137534320882446.31016285312M 273021.5
250273450383851053067.11218345312M 303334.9
300323.95154245011536281218410416M 303349.7
350355.6580465101254088.81220465416M 333668.1
400406.466050585135462111220535416M 363996.5
5005087555267014056214.21220615420M 3942117
Vorschweißflansche EN 1092-1 Typ 11/DIN 2636 PN 64, APZ EN 10204/3.1 B
Werkstoffe: C 22.8, 16Mo3, 13CrMo45, 10CrMo9.10
Rohr-AnschlußmaßeFlanschAnsatzDichtleisteSchraubenGewicht kg
Nennweited1Dbkh1d3srh2d4fAnzahlGewinded2
1017.2100207045321.8464024M 12141.09
1521.3105207545342464524M 12141.19
2533.71402410058522.6486824M 16182.66
4048.31702612562702.96108834M 20224.09
5060.31802613562822.961010234M 20224.55
6576.12052616068983.261212238M 20225.73
8088.921528170721123.681213838M 20226.69
100114.32503020078138481216238M 24269.66
125139.729534240881684.581218838M 273015.1
150168.334536280952025.6101221838M 303321.9
175193.7375403101052286.31016260312M 303323.7
200219.1415423451102567.11016285312M 333634.9
250273470464001253168.81218345312M 333649.6
300323.953052460140372111218410416M 333668.7
350355.66005652515042012.51220465416M 369394.6
400406.46706058516047514.21220835416M 3942124
Vorschweißflansche EN 1092-1 Typ 11/DIN 2637 PN 100, APZ EN 10204/3.1 B
Werkstoffe: C 22.8, 16Mo3, 13CrMo45, 10CrMo9.10
Rohr-AnschlußmaßeFlanschAnsatzDichtleisteSchraubenGewicht kg
Nennweited1Dbkh1d3srh2d4fAnzahlGewinded2
1017.2100207045321.8464024M 12141.09
1521.3105207545342464524M 12141.19
2533.71402410058522.6486824M 16182.66
4048.31702612562702.96108834M 20224.09
5060.31952814568903.261010234M 24265.98
6576.122030170761083.661212238M 24267.91
8088.92303218078120481213838M 24268.95
100114.32653621090150581216238M 273013.7
125139.7315402501051806.381218838M 303322.7
150168.3355442901152107.11012218312M 303330.2
175193.7385483201272458.81016260312M 303338.9
200219.143052360130278101016285312M 333652.8
2502735056043015734012.51218345312M 363981.4
300323.95856850017040014.21218410416M 3942122
350355.665574560189460161220465416M 4548165
Vorschweißflansche EN 1092-1 Typ 11/DIN 2638 PN 160, APZ EN 10204/3.1 B
Werkstoffe: C 22.8, 16Mo3, 13CrMo45, 10CrMo9.10
Rohr-AnschlußmaßeFlanschAnsatzDichtleisteSchraubenGewicht kg
Nennweited1Dbkh1d3srh2d4fAnzahlGewinded2
1017.2100207045322464024M 12141.09
1521.3105207545342464524M 12141.19
2533.71402410058522.9486824M 16182.66
4048.31702812564703.66108834M 20224.3
5060.3195301457590461010234M 24266.25
6576.12203417082108561212238M 24268.35
8088.923036180861206.381213838M 24269.75
100114.326540210100150881216238M 273014.8
125139.7315442501151801081418838M 303323
150168.33555029012821012.51014218312M 303332.5
175193.73905432013824514.21016260312M 333643.5
200219.143060360140278161016285312M 333659.4
25027351568430155340201218345312M 394294.5
300323.95857850017540022.21218410416M 3942136
Product request
Smooth flanges

Carbon steel Smooth flanges to 1092-1, type 01
Factory certification to EN 10204/3.1 and TÜV approval on request

loose flange
Overview 
Dimension range
DN 10 – DN 2000
Pressure stages
PN 6 – PN 40
Materials  
P250GH 
Product request
Loose flanges

Carbon steel loose flanges according to 1092-1, type 02 + type 04
Factory certification according to EN 10204/3.1 and on request also with TÜV approval

smooth flange
Overview 
Dimension range
DN 15 – DN 2000
Pressure stages
PN 6 – PN 40
Materials  
P250GH 
Product request