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Spectacle Blind · Class 150

Family: Spectacle Blinds
Reference: Spectacle blind · Class 150
Standard: ASME B16.48

Dimensions according to ASME B16.48-2020. All dimensional values are in mm. DN and NPS are nominal designations; NPS retains its inch designation.

RF · Female RTJ · Male RTJ

RF · For raised face flanges

Dimensioned drawing

Dimensioned drawing RF · For raised face flanges
Click the drawing to enlarge.

B: inside diameter · O: outside diameter · A: centre-to-centre distance · t: thickness · W: bridge width.

The clearance hole, where required, shall have the same diameter as the flange bolt hole and shall not interfere with the bolts. Bridge thickness Wt is determined in accordance with Section 4.1 of the standard. The raised face shown is optional; see Section 4.3.1.

Class 150 · RF

Dimensions in mm. DN / NPS nominal sizes in bold.

DNNPSB · Bore ØO · Outside ØA · Centre to centret · ThicknessW · Bridge
151/2″1645603,038
203/4″2154703,038
251″2764803,038
321 1/4″4273906,438
401 1/2″48831006,438
502″611021206,451
652 1/2″731211406,451
803″891331506,464
903 1/2″1021591759,764
1004″1141711909,764
1255″1411942159,776
1506″16821924012,776
2008″21927630012,776
25010″27333736015,7102
30012″32440643019,1102
35014″35644847519,1108
40016″40651154022,4108
45018″45754658025,4114
50020″50860363528,4121
60024″61071475031,8140

DN 15 · NPS 1/2″

DN15
NPS1/2″
B · Bore Ø16
O · Outside Ø45
A · Centre to centre60
t · Thickness3,0
W · Bridge38

DN 20 · NPS 3/4″

DN20
NPS3/4″
B · Bore Ø21
O · Outside Ø54
A · Centre to centre70
t · Thickness3,0
W · Bridge38

DN 25 · NPS 1″

DN25
NPS1″
B · Bore Ø27
O · Outside Ø64
A · Centre to centre80
t · Thickness3,0
W · Bridge38

DN 32 · NPS 1 1/4″

DN32
NPS1 1/4″
B · Bore Ø42
O · Outside Ø73
A · Centre to centre90
t · Thickness6,4
W · Bridge38

DN 40 · NPS 1 1/2″

DN40
NPS1 1/2″
B · Bore Ø48
O · Outside Ø83
A · Centre to centre100
t · Thickness6,4
W · Bridge38

DN 50 · NPS 2″

DN50
NPS2″
B · Bore Ø61
O · Outside Ø102
A · Centre to centre120
t · Thickness6,4
W · Bridge51

DN 65 · NPS 2 1/2″

DN65
NPS2 1/2″
B · Bore Ø73
O · Outside Ø121
A · Centre to centre140
t · Thickness6,4
W · Bridge51

DN 80 · NPS 3″

DN80
NPS3″
B · Bore Ø89
O · Outside Ø133
A · Centre to centre150
t · Thickness6,4
W · Bridge64

DN 90 · NPS 3 1/2″

DN90
NPS3 1/2″
B · Bore Ø102
O · Outside Ø159
A · Centre to centre175
t · Thickness9,7
W · Bridge64

DN 100 · NPS 4″

DN100
NPS4″
B · Bore Ø114
O · Outside Ø171
A · Centre to centre190
t · Thickness9,7
W · Bridge64

DN 125 · NPS 5″

DN125
NPS5″
B · Bore Ø141
O · Outside Ø194
A · Centre to centre215
t · Thickness9,7
W · Bridge76

DN 150 · NPS 6″

DN150
NPS6″
B · Bore Ø168
O · Outside Ø219
A · Centre to centre240
t · Thickness12,7
W · Bridge76

DN 200 · NPS 8″

DN200
NPS8″
B · Bore Ø219
O · Outside Ø276
A · Centre to centre300
t · Thickness12,7
W · Bridge76

DN 250 · NPS 10″

DN250
NPS10″
B · Bore Ø273
O · Outside Ø337
A · Centre to centre360
t · Thickness15,7
W · Bridge102

DN 300 · NPS 12″

DN300
NPS12″
B · Bore Ø324
O · Outside Ø406
A · Centre to centre430
t · Thickness19,1
W · Bridge102

DN 350 · NPS 14″

DN350
NPS14″
B · Bore Ø356
O · Outside Ø448
A · Centre to centre475
t · Thickness19,1
W · Bridge108

DN 400 · NPS 16″

DN400
NPS16″
B · Bore Ø406
O · Outside Ø511
A · Centre to centre540
t · Thickness22,4
W · Bridge108

DN 450 · NPS 18″

DN450
NPS18″
B · Bore Ø457
O · Outside Ø546
A · Centre to centre580
t · Thickness25,4
W · Bridge114

DN 500 · NPS 20″

DN500
NPS20″
B · Bore Ø508
O · Outside Ø603
A · Centre to centre635
t · Thickness28,4
W · Bridge121

DN 600 · NPS 24″

DN600
NPS24″
B · Bore Ø610
O · Outside Ø714
A · Centre to centre750
t · Thickness31,8
W · Bridge140

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Female RTJ · Ring joint groove

Dimensioned drawing

Dimensioned drawing Female RTJ · Ring joint groove
Click the drawing to enlarge.

B: inside diameter · O: outside diameter · A: centre-to-centre distance · t: thickness · W: bridge width.

The clearance hole, where required, shall have the same diameter as the flange bolt hole and shall not interfere with the bolts. Bridge thickness Wt is determined in accordance with Section 4.1 of the standard. The RTJ groove is dimensioned according to ASME B16.5.

Class 150 · FEMALE RTJ

Dimensions in mm. DN / NPS nominal sizes in bold.

DNNPSB · Bore ØO · Outside ØA · Centre to centret · ThicknessW · Bridge
251″34648019,151
321 1/4″42739019,151
401 1/2″488310019,157
502″6110212019,157
652 1/2″7312114022,457
803″8913315022,457
903 1/2″10215417522,464
1004″11417119022,464
1255″14119421525,470
1506″16821924025,483
2008″21927330028,495
25010″27333036031,8102
30012″32440643035,1121
35014″35642547535,1127
40016″40648354038,1127
45018″45754658041,1127
50020″50859763541,1127
60024″61071175047,8152

DN 25 · NPS 1″

DN25
NPS1″
B · Bore Ø34
O · Outside Ø64
A · Centre to centre80
t · Thickness19,1
W · Bridge51

DN 32 · NPS 1 1/4″

DN32
NPS1 1/4″
B · Bore Ø42
O · Outside Ø73
A · Centre to centre90
t · Thickness19,1
W · Bridge51

DN 40 · NPS 1 1/2″

DN40
NPS1 1/2″
B · Bore Ø48
O · Outside Ø83
A · Centre to centre100
t · Thickness19,1
W · Bridge57

DN 50 · NPS 2″

DN50
NPS2″
B · Bore Ø61
O · Outside Ø102
A · Centre to centre120
t · Thickness19,1
W · Bridge57

DN 65 · NPS 2 1/2″

DN65
NPS2 1/2″
B · Bore Ø73
O · Outside Ø121
A · Centre to centre140
t · Thickness22,4
W · Bridge57

DN 80 · NPS 3″

DN80
NPS3″
B · Bore Ø89
O · Outside Ø133
A · Centre to centre150
t · Thickness22,4
W · Bridge57

DN 90 · NPS 3 1/2″

DN90
NPS3 1/2″
B · Bore Ø102
O · Outside Ø154
A · Centre to centre175
t · Thickness22,4
W · Bridge64

DN 100 · NPS 4″

DN100
NPS4″
B · Bore Ø114
O · Outside Ø171
A · Centre to centre190
t · Thickness22,4
W · Bridge64

DN 125 · NPS 5″

DN125
NPS5″
B · Bore Ø141
O · Outside Ø194
A · Centre to centre215
t · Thickness25,4
W · Bridge70

DN 150 · NPS 6″

DN150
NPS6″
B · Bore Ø168
O · Outside Ø219
A · Centre to centre240
t · Thickness25,4
W · Bridge83

DN 200 · NPS 8″

DN200
NPS8″
B · Bore Ø219
O · Outside Ø273
A · Centre to centre300
t · Thickness28,4
W · Bridge95

DN 250 · NPS 10″

DN250
NPS10″
B · Bore Ø273
O · Outside Ø330
A · Centre to centre360
t · Thickness31,8
W · Bridge102

DN 300 · NPS 12″

DN300
NPS12″
B · Bore Ø324
O · Outside Ø406
A · Centre to centre430
t · Thickness35,1
W · Bridge121

DN 350 · NPS 14″

DN350
NPS14″
B · Bore Ø356
O · Outside Ø425
A · Centre to centre475
t · Thickness35,1
W · Bridge127

DN 400 · NPS 16″

DN400
NPS16″
B · Bore Ø406
O · Outside Ø483
A · Centre to centre540
t · Thickness38,1
W · Bridge127

DN 450 · NPS 18″

DN450
NPS18″
B · Bore Ø457
O · Outside Ø546
A · Centre to centre580
t · Thickness41,1
W · Bridge127

DN 500 · NPS 20″

DN500
NPS20″
B · Bore Ø508
O · Outside Ø597
A · Centre to centre635
t · Thickness41,1
W · Bridge127

DN 600 · NPS 24″

DN600
NPS24″
B · Bore Ø610
O · Outside Ø711
A · Centre to centre750
t · Thickness47,8
W · Bridge152

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Male RTJ · Integral ring

Dimensioned drawing

Dimensioned drawing Male RTJ · Integral ring
Click the drawing to enlarge.

B: inside diameter · A: centre-to-centre distance · t: thickness · W: bridge width.

The clearance hole, where required, shall have the same diameter as the flange bolt hole and shall not interfere with the bolts. Bridge thickness Wt is determined in accordance with Section 4.1 of the standard. Oval or octagonal rings are permitted. Their dimensions correspond to ASME B16.20, with Th = T + t; T is the ring height.

Class 150 · MALE RTJ

Dimensions in mm. DN / NPS nominal sizes in bold.

DNNPSB · Bore ØA · Centre to centret · ThicknessW · Bridge
251″34806,451
321 1/4″42906,451
401 1/2″481006,457
502″611206,457
652 1/2″731409,757
803″891509,757
903 1/2″1021759,764
1004″1141909,764
1255″14121512,776
1506″16824012,783
2008″21930015,795
25010″27336219,1102
30012″32443222,4121
35014″35647622,4127
40016″40654025,4127
45018″45757828,4127
50020″50863528,4127
60024″61074935,1152

DN 25 · NPS 1″

DN25
NPS1″
B · Bore Ø34
A · Centre to centre80
t · Thickness6,4
W · Bridge51

DN 32 · NPS 1 1/4″

DN32
NPS1 1/4″
B · Bore Ø42
A · Centre to centre90
t · Thickness6,4
W · Bridge51

DN 40 · NPS 1 1/2″

DN40
NPS1 1/2″
B · Bore Ø48
A · Centre to centre100
t · Thickness6,4
W · Bridge57

DN 50 · NPS 2″

DN50
NPS2″
B · Bore Ø61
A · Centre to centre120
t · Thickness6,4
W · Bridge57

DN 65 · NPS 2 1/2″

DN65
NPS2 1/2″
B · Bore Ø73
A · Centre to centre140
t · Thickness9,7
W · Bridge57

DN 80 · NPS 3″

DN80
NPS3″
B · Bore Ø89
A · Centre to centre150
t · Thickness9,7
W · Bridge57

DN 90 · NPS 3 1/2″

DN90
NPS3 1/2″
B · Bore Ø102
A · Centre to centre175
t · Thickness9,7
W · Bridge64

DN 100 · NPS 4″

DN100
NPS4″
B · Bore Ø114
A · Centre to centre190
t · Thickness9,7
W · Bridge64

DN 125 · NPS 5″

DN125
NPS5″
B · Bore Ø141
A · Centre to centre215
t · Thickness12,7
W · Bridge76

DN 150 · NPS 6″

DN150
NPS6″
B · Bore Ø168
A · Centre to centre240
t · Thickness12,7
W · Bridge83

DN 200 · NPS 8″

DN200
NPS8″
B · Bore Ø219
A · Centre to centre300
t · Thickness15,7
W · Bridge95

DN 250 · NPS 10″

DN250
NPS10″
B · Bore Ø273
A · Centre to centre362
t · Thickness19,1
W · Bridge102

DN 300 · NPS 12″

DN300
NPS12″
B · Bore Ø324
A · Centre to centre432
t · Thickness22,4
W · Bridge121

DN 350 · NPS 14″

DN350
NPS14″
B · Bore Ø356
A · Centre to centre476
t · Thickness22,4
W · Bridge127

DN 400 · NPS 16″

DN400
NPS16″
B · Bore Ø406
A · Centre to centre540
t · Thickness25,4
W · Bridge127

DN 450 · NPS 18″

DN450
NPS18″
B · Bore Ø457
A · Centre to centre578
t · Thickness28,4
W · Bridge127

DN 500 · NPS 20″

DN500
NPS20″
B · Bore Ø508
A · Centre to centre635
t · Thickness28,4
W · Bridge127

DN 600 · NPS 24″

DN600
NPS24″
B · Bore Ø610
A · Centre to centre749
t · Thickness35,1
W · Bridge152

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TOBER SL

C/ Brincadero, nº 25
El Raso Industrial Estate · 28750
San Agustín de Guadalix, Madrid
Burgos motorway, exit 36

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+34 918 489 798
Fax: +34 918 414 882
info@bridastober.com

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