Spectacle Blinds

TRIO STEEL IS A LEADING MANUFACTURER, SUPPLIER AND EXPORTER OF Spectacle Blinds.

We provide a complete and best quality range of Spectacle Blinds.Spectacle Blinds are used in constructions, food industry, pharmaceutical industry, petrochemical industry, automotive industry, municipal and decorative purposes. All Spectacle Blinds are individually covered so that the premium quality of materials is retained and there are no damges in the last stages of production.

Spectacle Blinds Description

Spectacle blind flanges are available in all of our stainless steel and chrome-moly grades, from ½” to 24” and beyond, class 150 to 2500. We can also source many of your other grade requirements. Our spec blind flanges are available with raised, flat, or RTJ faces.

ANSI Standard Stainless Steel Spectacle Blind Flanges, ASTM A105 Forged Steel Spectacle Flanges

Specifications:
Type: Spectacle Blind Flanges
Materials: ASTM A105
A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2
A516.60
A694 (F42, F46, F48, F50, F52, F56, F60, F65, F70)
A182 F304/304L, F316/316L, F316H, F310, F321
A182 F11, F22,
Standards: API, ANSI, BS, JIS, UNI, MSS and SP
Pressure: ANSI class 150 to 2,500
Flanges Size range: 1/2 to 56 inches (DN15 to DN1,400mm)
Applications: Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc.

Spectacle Blinds Dimensions & Tolerances

spectacle-blind-flange-manufacturer
Class 150 SPECTACLE BLINDS

 NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/2451660338
3/4542170338
1642780338
7342906.438
83481006.438
2102611206.451
107731406.451
3133891506.464
1591021759.764
41721141909.764
51941412159.776
621916824012.776
827621930012.776
1033727336015.7102
1240632443019.1102
1444835647519.1108
1651140646022.4108
1854645758025.4114
2060350863528.4121
2471461075031.8140
 NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

spectacle-blind-flange-manufacturer
Class 300 SPECTACLE BLINDS

 NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/25116656.438
3/46421806.438
17027906.438
79421006.438
92481156.438
2108611259.751
127731509.751
3146891709.764
16210218512.764
417811420012.764
521314123515.776
624816827015.776
830521933022.476
1035927338525.4102
1241932445028.4102
1448335651531.8108
1653640657038.1108
1859445763041.1114
2065150868544.5121
2477261081050.8140
 NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

spectacle-blind-flange-manufacturer
Class 600 SPECTACLE BLINDS

 NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/25116656.438
3/46421806.438
17027906.457
79371009.757
92431159.767
2108551259.757
1276715012.767
31468317012.767
1599618515.776
419110821515.776
523813526519.186
626416229022.486
831821235028.495
1039726543035.1105
1245431549041.1105
1448934652544.5114
1656239760550.8124
1861044865553.8133
2067949772563.5133
2478759784073.2152
 NPSOutside Ø

A

Inside Ø

B

Centerline

C

Thickness

t

Web Width

W

spectacle-blind-flange-manufacturer
Class 900 SPECTACLE BLINDS

 NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/26016806.438
3/46721906.441
176271006.457
86371109.757
95431259.767
21405516512.757
1626719012.767
31658319015.767
420310823519.176
524413528022.486
628616232025.486
835621239535.195
1043226547041.1105
1249531553547.8105
1451834656053.8114
1657239761560.5124
1863544868566.5133
2069649775073.2133
2483559790088.9152
 NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

spectacle-blind-flange-manufacturer
Class 1500 SPECTACLE BLINDS

NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/26116806.438
3/46721909.741
176271009.764
86351109.764
954112512.770
21405316512.770
1626319015.776
31727820519.176
420610224022.489
525112829028.489
627915432035.189
834920339541.1102
1043225548050.8114
1251830357060.5114
1457533363566.5127
1663838170576.2133
1870242977585.9146
2075247883095.3152
24899575990111.3178
 NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

spectacle-blind-flange-manufacturer
Class 2500 SPECTACLE BLINDS

 NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/26716909.738
3/47321959.741
183271109.764
1023513012.764
1144114515.770
21435317015.770
1656319519.176
31947823022.476
423210227528.489
527612832535.189
631415437041.189
838419844053.8102
1047324854066.5114
1254628962079.2114
 NPSOutside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

Spectacle Blinds Packaging & Marking

Spectacle Blinds Packaging & Marking
Spectacle Blinds Packaging & Marking

All Spectacle Blinds are individually covered so that the premium quality of materials is retained and there are no damges in the last stages of production. We also ensure that we deliver our orders promplty and that the quality remains intact.
All Spectacle Blinds have imprints on them to highlight the specification of the pipes.

Available stock at Trio Steel

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