ISO Approved Manufacturer & Exporter of Spectacle Blind Flanges.

Spectacle Blind Flanges

Piyush Steel are Manufacturer, Exporter and Supplier of Spectacle Blind Flanges. ANSI B 16.5 Spectacle Blind Flanges are ideal for lower pressure applications. Spectacle Blind Flanges are used on heat coupling of pipes and are customized as per the specifications of our clients. Spectacle Blind Flanges are made using premium best quality materials.

 

Size : 1/2" NB TO 48"NB.
Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.
Standards : 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

 

Grade:

Stainless Steel Spectacle Blind Flanges:

ASTM A 182, A 240, F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L,

Duplex Steel Spectacle Blind Flanges:

UNS S31803, UNS S32205

Super Duplex Steel Spectacle Blind Flanges:

UNS S32750, UNS S32950

Nickel Alloys Spectacle Blind Flanges:

Monel (400 & K500)

Inconel (600, 601, 625 & 825)

Incolloy (800, 800H)

Alloy 20

Cupro Nickel (90/10, 70/30, 66/30/2/2)

Hastelloy (C-4, C-22, C276, B-2)

Nickel (200 / 201 / 205)

Duplex Steel

SS 904L

Titanium (1 & 2) Etc.

Carbon Steel Spectacle Blind Flanges:

ASTM A 105, ASTM A 350 LF 2, ASTM A694 F52 - F60 - F65 - F70

Alloy Steel Spectacle Blind Flanges:

ASTM A 182, GR F1, F11, F22, F5, F9, F91

Copper Alloys Spectacle Blind Flanges:

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)

 

Dimensions –

 

Class 150 Spectacle Blind Flanges Dimensions:

NPS  Outside Ø
  A
Inside Ø
  B
Centerline
  C
Thickness
  t
Web Width
  W
1/2 45 16 60 3 38
3/4 54 21 70 3 38
1 64 27 80 3 38
73 42 90 6.4 38
83 48 100 6.4 38
2 102 61 120 6.4 51
107 73 140 6.4 51
3 133 89 150 6.4 64
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

 

Class 300 Spectacle Blind Flanges Dimensions:

 NPS  Outside Ø
  A
Inside Ø
  B
Centerline
  C
Thickness
  t
Web Width
  W
1/2 51 16 65 6.4 38
3/4 64 21 80 6.4 38
1 70 27 90 6.4 38
79 42 100 6.4 38
92 48 115 6.4 38
2 108 61 125 9.7 51
127 73 150 9.7 51
3 146 89 170 9.7 64
162 102 185 12.7 64
4 178 114 200 12.7 64
5 213 141 235 15.7 76
6 248 168 270 15.7 76
8 305 219 330 22.4 76
10 359 273 385 25.4 102
12 419 324 450 28.4 102
14 483 356 515 31.8 108
16 536 406 570 38.1 108
18 594 457 630 41.1 114
20 651 508 685 44.5 121
24 772 610 810 50.8 140

 

Class 600 Spectacle Blind Flanges Dimensions:

 NPS  Outside Ø
  A
Inside Ø
  B
Centerline
  C
Thickness
  t
Web Width
  W
1/2 51 16 65 6.4 38
3/4 64 21 80 6.4 38
1 70 27 90 6.4 57
79 37 100 9.7 57
92 43 115 9.7 67
2 108 55 125 9.7 57
127 67 150 12.7 67
3 146 83 170 12.7 67
159 96 185 15.7 76
4 191 108 215 15.7 76
5 238 135 265 19.1 86
6 264 162 290 22.4 86
8 318 212 350 28.4 95
10 397 265 430 35.1 105
12 454 315 490 41.1 105
14 489 346 525 44.5 114
16 562 397 605 50.8 124
18 610 448 655 53.8 133
20 679 497 725 63.5 133
24 787 597 840 73.2 152

 

Class 600 Spectacle Blind Flanges Dimensions:

NPS  Outside Ø
  A
Inside Ø
  B
Centerline
  C
Thickness
  t
Web Width
  W
1/2 60 16 80 6.4 38
3/4 67 21 90 6.4 41
1 76 27 100 6.4 57
86 37 110 9.7 57
95 43 125 9.7 67
2 140 55 165 12.7 57
162 67 190 12.7 67
3 165 83 190 15.7 67
4 203 108 235 19.1 76
5 244 135 280 22.4 86
6 286 162 320 25.4 86
8 356 212 395 35.1 95
10 432 265 470 41.1 105
12 495 315 535 47.8 105
14 518 346 560 53.8 114
16 572 397 615 60.5 124
18 635 448 685 66.5 133
20 696 497 750 73.2 133
24 835 597 900 88.9 152

 

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