Spectacle Blind Flange & Stainless steel Flanges (Gr. 304, 304L, 316, 316L) available in a variety or grades, materials, and finishes, in metric and inch sizes. These Spectacle Blind Flange are manufacture in different Material of Flanges like SORF Flanges, Carbon Steel Spectacle Blind Flange, Stainless Steel Spectacle Blind Flange, Alloy Steel Spectacle Blind Flange, Duplex Steel Spectacle Blind Flange, Inconel Spectacle Blind Flange, Monel Spectacle Blind Flange, Hastelloy Spectacle Blind Flange, Copper Nickel Spectacle Blind Flange in India & Asia, conform to Slip On specifications.
A spectacle blind is a safety device used to isolate a section of line or piece of equipment when the line or equipment needs to be inspected or removed from service. It is different than a valve in that the blind is a permanent or long term isolation device.
A spectacle blind is machined from a single piece of metal that is cut to match the pipe size, fit between two pipe flanges and requires an additional gasket when it is installed. Also, the bolts will need to be lengthened depending on what piping class and size blind is used. The thickness of the spectacle blind is specified based on the line pressure and pipe size.
Spectacle Flanges, Spectacle Blind Flange Production Range
Spectacle Flanges Range
½” (15 NB) to 48″ (1200NB) in 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS ASA 150, ASA 300, PN 6,10,16,25, 40,64,100,160 ETC. Available with NACE MR 01-75
Stainless Steel Spectacle Flanges
Grade : 304, 304L, 304H, 309, 310, 310S, 316, 316Ti, 316 L, 317, 317L, 321, 347, 347 H, 409, 410, 410S, 420, 430L
Duplex Steel Spectacle Flanges
Grade : 2205 (UNS No. S31803), 2507 (UNS No. S32750)
Nickel Alloy Spectacle Flanges
Grade : Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II)
Copper Alloy Spectacle Flanges
Grade : UNS No. C 10100, 10200, 10300, 10800, 12000, 12200, 70600, 71500, UNS No. C 70600 (Cu -Ni- 90/10), C 71500 (Cu -Ni- 70/30)
Spectacle Flanges Standard
ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631,
DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
B.S : BS4504 , BS4504, BS1560, BS10
OTHER : PLATE, PLATE BLANK
Our range of industrial flanges are ideal for application in diverse industry for high pressure and temperature applications. These flanges are designed with precision for easy installation. Apart from standard flanges, we also offer custom designed flanges to meet the specific application requirements of the customers.
Stainless & Duplex Steel
Range :
15 NB UP TO 600 NB IN 150 LBS , 300 LBS, 400 LBS , 600 LBS , 900 LBS , 1500 LBS , 2500 LBS / TABLE 2.5 , TABLE 6 , TABLE 10, TABLE 16,TABLE 25 , TABLE 40, TABLE 64, TABLE 160, TABLE 320, TABLE 400
Form :
Slip On , Socket Weld , Blind , Lapped , Screwed , Weld Neck , Reducing , Spectacle ,Slip On Boss , Plate , Plate Blank , Screwed Boss.
Stainless Steel :
ASTM / ASME SA 182 F 304 , 304L , 304H, 309H, 310H , 316 , 316H , 316L , 316 LN , 317 , 317L , 321 , 321H , 347H .
Duplex Steel :
ASTM / ASME SA 182 F 44 , F 45 , F51 , F 53 , F 55 , F 60 , F 61.
Carbon & Alloy Steel
Range :
15 NB UP TO 600 NB IN 150 LBS , 300 LBS, 400 LBS , 600 LBS , 900 LBS , 1500 LBS , 2500 LBS / TABLE 2.5 , TABLE 6 , TABLE 10, TABLE 16,TABLE 25 , TABLE 40, TABLE 64, TABLE 160, TABLE 320, TABLE 400
Form :
Slip On , Socket Weld , Blind , Lapped , Screwed , Weld Neck , Reducing , Spectacle ,Slip On Boss , Plate , Plate Blank , Screwed Boss
Carbon Steel : ASTM / ASME A 105 , ASTM / ASME A 350 LF 2 .
Alloy Steel :
ASTM / ASME A 182 GR F 5, F 9 , F 11 , F 12 , F 22 , F 91
Nickel & Copper Alloy
Range :
15 NB UP TO 600 NB IN 150 LBS , 300 LBS, 400 LBS , 600 LBS , 900 LBS , 1500 LBS , 2500 LBS / TABLE 2.5 , TABLE 6 , TABLE 10, TABLE 16,TABLE 25 , TABLE 40, TABLE 64, TABLE 160, TABLE 320, TABLE 400
Form :
Slip On , Socket Weld , Blind , Lapped , Screwed , Weld Neck , Reducing , Spectacle ,Slip On Boss , Plate , Plate Blank , Screwed Boss
Nickel Alloy :
ASTM / ASME SB 564 UNS 2200 ( NICKEL 200 ) , UNS 4400 (MONEL 400 ) , , UNS 8825 INCONEL (825) , UNS 6600 (INCONEL 600 ) , UNS 6601 ( INCONEL 601 ) , UNS 6625 (INCONEL 625) ,UNS 10276 ( HASTELLOY C 276)
ASTM / ASME SB 160 UNS 2201 (NICKEL 201 )
ASTM / ASME SB 472 UNS 8020 ( ALLOY 20 / 20 CB 3 )
Copper Alloy :
ASTM / ASME SB 61 UNS NO. C 92200 & ASTM / ASME SB 62 UNS NO. C 83600.
ASTM / ASME SB 151 UNS NO. 70600 , 71500 , C 70600 ( CU -NI- 90/10) , C 71500 ( CU -NI- 70/30)
ASTM / ASME SB 152 UNS NO C 10100 , C 10200 , C 10300 , C 10800 , C 12000, C 12200
Hastelloy
Grades :Hastelloy C-22, Hastelloy C-276, Hastelloy C-2000
Size :1/2″NB to 12″NB
Standard :ASTM, ASME, API, AISI, BS, ANSI, DIN, JIS, MSSP, NACE
Types :Socket Weld, Slip On, Blind, Lapped, Screwed, Weld Neck, Long Weld Neck, Reducing, Spectacle, Ring Joint
Features:
Durability
Corrosion resistance
Dimensional accuracy
High strength
Excellent finish
Inconel
Grades :
Inconel 600, Inconel 601, Inconel 625, Inconel 625LCF, Inconel 686, Inconel 718, Inconel 800, Inconel 825, Inconel X-750
Size : 1/2 inch – 48 inch (15mm – 1200mm)
Standard :ANSI/ASME B16.5, ANSI B16.47 API, DIN, JIS, BS
Types :Socket Weld, Slip On, Blind, Lapped, Screwed, Weld Neck, Long Weld Neck, Reducing, Spectacle, Ring Joint
Features :
Durability
Corrosion resistance
Dimensional accuracy
High strength
Excellent finish
Incoloy
Grades :Incoloy 800, incoloy 825, Incoloy 925, Incoloy a-286, Incoloy DS
Flanges Grade :ASTM A 182 F 304/L; 316/L; 317/L; 309; 310; 321; 347; 904L.
Type :SORF, BLRF, WNRF, SOLJ
Class :50 To 3000
Flanges Range :DN15 Upto DN1800 IN 150 LBS, 300 LBS, 400 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS / TABLE 2.5, TABLE 6, TABLE 10, TABLE 16, TABLE 25, TABLE 40, TABLE 64, TABLE 160, TABLE 320, TABLE 400
Types :Socket Weld, Slip On, Blind, Lapped, Screwed, Weld Neck, Long Weld Neck, Reducing, Spectacle, Ring Joint
Features:
Durability
Corrosion resistance
Dimensional accuracy
High strength
Excellent finish
Monel
Grades :Monel 400, Monel k500
Range :1/2″ NB to 60″ NB
Types :Socket Weld, Slip On, Blind, Lapped, Screwed, Weld Neck, Long Weld Neck, Reducing, Spectacle, Ring Joint
Features:
Durability
Corrosion resistance
Dimensional accuracy
High strength
Chemical resistance
Excellent finish
Titanium
Specifications
1. Material:Titanium.
2. Grade:Gr2, Gr5, Gr7, Gr9.
3. Standards:DIN,ASTM,BS.
4.Application:Bicycles,Motors,Chemicals.
Description
Standards:DIN,ASTM,BS.
Strength :Superior Quality, Fast delivery, Competitive price as well as humanized after-sales service.
Features :Low density, rustless, good antiwear property, high strength.
Size:Set the size according to the customers’ requirements.
The tables below show the most common sizes but are not exhaustive.
150 Lbs
Class 150 SPECTACLE BLINDS
| NPS | OutsideA | InsideB | CenterlineC | Thicknesst | Web WidthW |
| 1/2 | 45 | 16 | 60 | 3 | 38 |
| 3/4 | 54 | 21 | 70 | 3 | 38 |
| 1 | 64 | 27 | 80 | 3 | 38 |
| 1¼ | 73 | 42 | 90 | 6.4 | 38 |
| 1½ | 83 | 48 | 100 | 6.4 | 38 |
| 2 | 102 | 61 | 120 | 6.4 | 51 |
| 2½ | 107 | 73 | 140 | 6.4 | 51 |
| 3 | 133 | 89 | 150 | 6.4 | 64 |
| 3½ | 159 | 102 | 175 | 9.7 | 64 |
| 4 | 172 | 114 | 190 | 9.7 | 64 |
| 5 | 194 | 141 | 215 | 9.7 | 76 |
| 6 | 219 | 168 | 240 | 12.7 | 76 |
| 8 | 276 | 219 | 300 | 12.7 | 76 |
| 10 | 337 | 273 | 360 | 15.7 | 102 |
| 12 | 406 | 324 | 430 | 19.1 | 102 |
| 14 | 448 | 356 | 475 | 19.1 | 108 |
| 16 | 511 | 406 | 460 | 22.4 | 108 |
| 18 | 546 | 457 | 580 | 25.4 | 114 |
| 20 | 603 | 508 | 635 | 28.4 | 121 |
| 24 | 714 | 610 | 750 | 31.8 | 140 |
| NPS | OutsideA | InsideB | CenterlineC | Thicknesst | Web WidthW |