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Spectacle Blind · Class 600

Family: Spectacle Blinds
Reference: Spectacle blind · Class 600
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 600 · RF

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

DNNPSB · Bore ØO · Outside ØA · Centre to centret · ThicknessW · Bridge
151/2″1651656,438
203/4″2164806,438
251″2770906,457
321 1/4″37791009,757
401 1/2″43921159,767
502″551081259,757
652 1/2″6712715012,767
803″8314617012,767
903 1/2″9615918515,776
1004″10819121515,776
1255″13523826519,186
1506″16226429022,486
2008″21231835028,495
25010″26539743035,1105
30012″31545449041,1105
35014″34648952544,5114
40016″39756260550,8124
45018″44861065553,8133
50020″49767972563,5133
60024″59778784073,2152

DN 15 · NPS 1/2″

DN15
NPS1/2″
B · Bore Ø16
O · Outside Ø51
A · Centre to centre65
t · Thickness6,4
W · Bridge38

DN 20 · NPS 3/4″

DN20
NPS3/4″
B · Bore Ø21
O · Outside Ø64
A · Centre to centre80
t · Thickness6,4
W · Bridge38

DN 25 · NPS 1″

DN25
NPS1″
B · Bore Ø27
O · Outside Ø70
A · Centre to centre90
t · Thickness6,4
W · Bridge57

DN 32 · NPS 1 1/4″

DN32
NPS1 1/4″
B · Bore Ø37
O · Outside Ø79
A · Centre to centre100
t · Thickness9,7
W · Bridge57

DN 40 · NPS 1 1/2″

DN40
NPS1 1/2″
B · Bore Ø43
O · Outside Ø92
A · Centre to centre115
t · Thickness9,7
W · Bridge67

DN 50 · NPS 2″

DN50
NPS2″
B · Bore Ø55
O · Outside Ø108
A · Centre to centre125
t · Thickness9,7
W · Bridge57

DN 65 · NPS 2 1/2″

DN65
NPS2 1/2″
B · Bore Ø67
O · Outside Ø127
A · Centre to centre150
t · Thickness12,7
W · Bridge67

DN 80 · NPS 3″

DN80
NPS3″
B · Bore Ø83
O · Outside Ø146
A · Centre to centre170
t · Thickness12,7
W · Bridge67

DN 90 · NPS 3 1/2″

DN90
NPS3 1/2″
B · Bore Ø96
O · Outside Ø159
A · Centre to centre185
t · Thickness15,7
W · Bridge76

DN 100 · NPS 4″

DN100
NPS4″
B · Bore Ø108
O · Outside Ø191
A · Centre to centre215
t · Thickness15,7
W · Bridge76

DN 125 · NPS 5″

DN125
NPS5″
B · Bore Ø135
O · Outside Ø238
A · Centre to centre265
t · Thickness19,1
W · Bridge86

DN 150 · NPS 6″

DN150
NPS6″
B · Bore Ø162
O · Outside Ø264
A · Centre to centre290
t · Thickness22,4
W · Bridge86

DN 200 · NPS 8″

DN200
NPS8″
B · Bore Ø212
O · Outside Ø318
A · Centre to centre350
t · Thickness28,4
W · Bridge95

DN 250 · NPS 10″

DN250
NPS10″
B · Bore Ø265
O · Outside Ø397
A · Centre to centre430
t · Thickness35,1
W · Bridge105

DN 300 · NPS 12″

DN300
NPS12″
B · Bore Ø315
O · Outside Ø454
A · Centre to centre490
t · Thickness41,1
W · Bridge105

DN 350 · NPS 14″

DN350
NPS14″
B · Bore Ø346
O · Outside Ø489
A · Centre to centre525
t · Thickness44,5
W · Bridge114

DN 400 · NPS 16″

DN400
NPS16″
B · Bore Ø397
O · Outside Ø562
A · Centre to centre605
t · Thickness50,8
W · Bridge124

DN 450 · NPS 18″

DN450
NPS18″
B · Bore Ø448
O · Outside Ø610
A · Centre to centre655
t · Thickness53,8
W · Bridge133

DN 500 · NPS 20″

DN500
NPS20″
B · Bore Ø497
O · Outside Ø679
A · Centre to centre725
t · Thickness63,5
W · Bridge133

DN 600 · NPS 24″

DN600
NPS24″
B · Bore Ø597
O · Outside Ø787
A · Centre to centre840
t · Thickness73,2
W · Bridge152

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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 600 · FEMALE RTJ

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

DNNPSB · Bore ØO · Outside ØA · Centre to centret · ThicknessW · Bridge
151/2″21516519,138
203/4″27648022,445
251″34709022,451
321 1/4″427910022,451
401 1/2″489011522,457
502″6110812528,457
652 1/2″7312715031,857
803″8914617031,857
903 1/2″10215918535,164
1004″11417521535,164
1255″14121026538,170
1506″16824129044,583
2008″21930235050,895
25010″27335643057,2102
30012″32441349063,5121
35014″35645752566,5127
40016″40650860573,2127
45018″45757565579,2127
50020″50863572588,9127
60024″610749840104,6152

DN 15 · NPS 1/2″

DN15
NPS1/2″
B · Bore Ø21
O · Outside Ø51
A · Centre to centre65
t · Thickness19,1
W · Bridge38

DN 20 · NPS 3/4″

DN20
NPS3/4″
B · Bore Ø27
O · Outside Ø64
A · Centre to centre80
t · Thickness22,4
W · Bridge45

DN 25 · NPS 1″

DN25
NPS1″
B · Bore Ø34
O · Outside Ø70
A · Centre to centre90
t · Thickness22,4
W · Bridge51

DN 32 · NPS 1 1/4″

DN32
NPS1 1/4″
B · Bore Ø42
O · Outside Ø79
A · Centre to centre100
t · Thickness22,4
W · Bridge51

DN 40 · NPS 1 1/2″

DN40
NPS1 1/2″
B · Bore Ø48
O · Outside Ø90
A · Centre to centre115
t · Thickness22,4
W · Bridge57

DN 50 · NPS 2″

DN50
NPS2″
B · Bore Ø61
O · Outside Ø108
A · Centre to centre125
t · Thickness28,4
W · Bridge57

DN 65 · NPS 2 1/2″

DN65
NPS2 1/2″
B · Bore Ø73
O · Outside Ø127
A · Centre to centre150
t · Thickness31,8
W · Bridge57

DN 80 · NPS 3″

DN80
NPS3″
B · Bore Ø89
O · Outside Ø146
A · Centre to centre170
t · Thickness31,8
W · Bridge57

DN 90 · NPS 3 1/2″

DN90
NPS3 1/2″
B · Bore Ø102
O · Outside Ø159
A · Centre to centre185
t · Thickness35,1
W · Bridge64

DN 100 · NPS 4″

DN100
NPS4″
B · Bore Ø114
O · Outside Ø175
A · Centre to centre215
t · Thickness35,1
W · Bridge64

DN 125 · NPS 5″

DN125
NPS5″
B · Bore Ø141
O · Outside Ø210
A · Centre to centre265
t · Thickness38,1
W · Bridge70

DN 150 · NPS 6″

DN150
NPS6″
B · Bore Ø168
O · Outside Ø241
A · Centre to centre290
t · Thickness44,5
W · Bridge83

DN 200 · NPS 8″

DN200
NPS8″
B · Bore Ø219
O · Outside Ø302
A · Centre to centre350
t · Thickness50,8
W · Bridge95

DN 250 · NPS 10″

DN250
NPS10″
B · Bore Ø273
O · Outside Ø356
A · Centre to centre430
t · Thickness57,2
W · Bridge102

DN 300 · NPS 12″

DN300
NPS12″
B · Bore Ø324
O · Outside Ø413
A · Centre to centre490
t · Thickness63,5
W · Bridge121

DN 350 · NPS 14″

DN350
NPS14″
B · Bore Ø356
O · Outside Ø457
A · Centre to centre525
t · Thickness66,5
W · Bridge127

DN 400 · NPS 16″

DN400
NPS16″
B · Bore Ø406
O · Outside Ø508
A · Centre to centre605
t · Thickness73,2
W · Bridge127

DN 450 · NPS 18″

DN450
NPS18″
B · Bore Ø457
O · Outside Ø575
A · Centre to centre655
t · Thickness79,2
W · Bridge127

DN 500 · NPS 20″

DN500
NPS20″
B · Bore Ø508
O · Outside Ø635
A · Centre to centre725
t · Thickness88,9
W · Bridge127

DN 600 · NPS 24″

DN600
NPS24″
B · Bore Ø610
O · Outside Ø749
A · Centre to centre840
t · Thickness104,6
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 600 · MALE RTJ

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

DNNPSB · Bore ØA · Centre to centret · ThicknessW · Bridge
151/2″21656,438
203/4″27809,745
251″34909,751
321 1/4″421009,757
401 1/2″481159,757
502″6112512,751
652 1/2″7315015,757
803″8917015,767
903 1/2″10218019,167
1004″11421519,173
1255″14126522,473
1506″16829028,473
2008″21935035,183
25010″27343041,1121
30012″32449047,8121
35014″35652550,8121
40016″40660557,2127
45018″45765063,5133
50020″50872069,9127
60024″61084082,6152

DN 15 · NPS 1/2″

DN15
NPS1/2″
B · Bore Ø21
A · Centre to centre65
t · Thickness6,4
W · Bridge38

DN 20 · NPS 3/4″

DN20
NPS3/4″
B · Bore Ø27
A · Centre to centre80
t · Thickness9,7
W · Bridge45

DN 25 · NPS 1″

DN25
NPS1″
B · Bore Ø34
A · Centre to centre90
t · Thickness9,7
W · Bridge51

DN 32 · NPS 1 1/4″

DN32
NPS1 1/4″
B · Bore Ø42
A · Centre to centre100
t · Thickness9,7
W · Bridge57

DN 40 · NPS 1 1/2″

DN40
NPS1 1/2″
B · Bore Ø48
A · Centre to centre115
t · Thickness9,7
W · Bridge57

DN 50 · NPS 2″

DN50
NPS2″
B · Bore Ø61
A · Centre to centre125
t · Thickness12,7
W · Bridge51

DN 65 · NPS 2 1/2″

DN65
NPS2 1/2″
B · Bore Ø73
A · Centre to centre150
t · Thickness15,7
W · Bridge57

DN 80 · NPS 3″

DN80
NPS3″
B · Bore Ø89
A · Centre to centre170
t · Thickness15,7
W · Bridge67

DN 90 · NPS 3 1/2″

DN90
NPS3 1/2″
B · Bore Ø102
A · Centre to centre180
t · Thickness19,1
W · Bridge67

DN 100 · NPS 4″

DN100
NPS4″
B · Bore Ø114
A · Centre to centre215
t · Thickness19,1
W · Bridge73

DN 125 · NPS 5″

DN125
NPS5″
B · Bore Ø141
A · Centre to centre265
t · Thickness22,4
W · Bridge73

DN 150 · NPS 6″

DN150
NPS6″
B · Bore Ø168
A · Centre to centre290
t · Thickness28,4
W · Bridge73

DN 200 · NPS 8″

DN200
NPS8″
B · Bore Ø219
A · Centre to centre350
t · Thickness35,1
W · Bridge83

DN 250 · NPS 10″

DN250
NPS10″
B · Bore Ø273
A · Centre to centre430
t · Thickness41,1
W · Bridge121

DN 300 · NPS 12″

DN300
NPS12″
B · Bore Ø324
A · Centre to centre490
t · Thickness47,8
W · Bridge121

DN 350 · NPS 14″

DN350
NPS14″
B · Bore Ø356
A · Centre to centre525
t · Thickness50,8
W · Bridge121

DN 400 · NPS 16″

DN400
NPS16″
B · Bore Ø406
A · Centre to centre605
t · Thickness57,2
W · Bridge127

DN 450 · NPS 18″

DN450
NPS18″
B · Bore Ø457
A · Centre to centre650
t · Thickness63,5
W · Bridge133

DN 500 · NPS 20″

DN500
NPS20″
B · Bore Ø508
A · Centre to centre720
t · Thickness69,9
W · Bridge127

DN 600 · NPS 24″

DN600
NPS24″
B · Bore Ø610
A · Centre to centre840
t · Thickness82,6
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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