ASME B16.48 Spectacle Blind Flanges, ASME / ANSI B16.5 Spectacle Blind Flanges ,ASME 16.48 Spectacle Blind Flanges at best price.

DM Special Steel Ltd offer a wide selection of ASME B16.5 Spectacle Blind Flanges , Industrial Spectacle Blind Flanges

 

  Spectacle Blind Flanges

Spectacle Blind Flanges DM Special Steel Ltd manufacturer & exporter of Spectacle Blind Flanges availbale in various forms and size, standards like ASME B16.5 flanges, ASME B16.47 Flanges.We also offer custom-made Spectacle Blind flanges that have been widely appreciated by our clients.

Specifications of Spectacle Blind Flanges
Dimensions of Spectacle Blind Flanges
Production of Spectacle Blind Flanges
Packaging of Spectacle Blind Flanges
Materials of Spectacle Blind Flanges

 

Specifications of Spectacle Blind Flanges

Type: Spectacle Blind Flange
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
Flange Size range: 1/2 to 56 inches (DN15 to DN1,400mm)

Class: 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS ASA 150#, 2.0MPa, 5.0MPa, 10.0MPa, 15.0MPa, 25.0MPa, 42.0MPa

Flange Facing Types

America Series:
Flat face(FF),Raised face(RF),Tongue(T),Groove(G),Female(F),Male(M),Ring type joints face(RJ/RTJ)

Europe Series:
Type A(Flat Face),Type B(Raised Face),Type C(Tongue),Type D(Groove),Type E(Spigot),Type F(Recess),Type G(O-Ring Spigot),Type H(O-Ring Groove)

 

Dimensions of Spectacle Blind Flanges ASME B16.48

Spectacle Blind Flanges Dimensions

Class 150 SPECTACLE BLINDS FLANGES

 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
 NPS  Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

 

Class 300 SPECTACLE BLINDS FLANGES

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
 NPS  Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

 

Class 600 SPECTACLE BLINDS FLANGES

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
 NPS  Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

 

Class 900 SPECTACLE BLINDS FLANGES

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
 NPS  Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

 

Class 1500 SPECTACLE BLINDS FLANGES

Spectacle Blind Flanges Dimensions

NPS  Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/2 61 16 80 6.4 38
3/4 67 21 90 9.7 41
1 76 27 100 9.7 64
86 35 110 9.7 64
95 41 125 12.7 70
2 140 53 165 12.7 70
162 63 190 15.7 76
3 172 78 205 19.1 76
4 206 102 240 22.4 89
5 251 128 290 28.4 89
6 279 154 320 35.1 89
8 349 203 395 41.1 102
10 432 255 480 50.8 114
12 518 303 570 60.5 114
14 575 333 635 66.5 127
16 638 381 705 76.2 133
18 702 429 775 85.9 146
20 752 478 830 95.3 152
24 899 575 990 111.3 178
 NPS  Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

 

Class 2500 SPECTACLE BLINDS FLANGES

Spectacle Blind Flanges Dimensions

 NPS  Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
1/2 67 16 90 9.7 38
3/4 73 21 95 9.7 41
1 83 27 110 9.7 64
102 35 130 12.7 64
114 41 145 15.7 70
2 143 53 170 15.7 70
165 63 195 19.1 76
3 194 78 230 22.4 76
4 232 102 275 28.4 89
5 276 128 325 35.1 89
6 314 154 370 41.1 89
8 384 198 440 53.8 102
10 473 248 540 66.5 114
12 546 289 620 79.2 114
 NPS  Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W
General Notes:
  • Dimensions are in millimeters unless otherwise indicated.
  • D = Hole size (where required) should be the same as the flange bolt hole. In practice, these dimensions have been rounded round off upwards.
  • Wt = Thickness of the web (or tie bar) should be 6 mm minimum, or equal to Thickness (t) if less than 6 mm.
  • Spectacle Blinds should be made from a plate or forging specification, approved for use by ASME B31.3, of essentially the same chemical composition as the mating flanges and piping involved.
  • Spectacle Blinds according to ASME B16.48 may be used for installation between ASME B16.5 flanges
  • Depending on a customer specification, some dimensions can be different from what on this page is defined.

Notes
1. Dimensions are in millimeters unless otherwise indicated.
2. The length of the stud bolt does not include the height of the chamfers (points).

 

 

Flanges Calculator:

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Production of Spectacle Blind Flanges

Spectacle Blind FlangesSpectacle Blind Flanges production and processing of finished solution treatment must be enclosed , so that product performance is optimal. At DM Special Steel Ltd Factory owned pneumatic marking machine, all flanges are available to customers free typing products, customers can be requested marked material, pressure , caliber, production standards or customer to provide own special text.
Production and processing is completed will use ultrasonic cleaners to clean the product in order to ensure clean surface free of dust and impurities without oil.

Applications Of Spectacle Blind Flanges
  • Industrial Spectacle Blind Flanges used in Chemical and petrochemical processing
  • Industrial Spectacle Blind Flanges used in electronics
  • Industrial Spectacle Blind Flanges used in processing equipment for maintaining product purity in handling foods, synthetic fibers
  • Industrial Spectacle Blind Flanges used in marine and offshore engineering
Characteristics of Spectacle Blind Flanges
  • Indutsrial Spectacle Blind Flanges is highly resistant to various reducing chemicals
  • Indutsrial Spectacle Blind Flanges is excellent resistance to caustic alkalies
  • Indutsrial Spectacle Blind Flanges is high electrical conductivity
  • Indutsrial Spectacle Blind Flanges is excellent corrosion resistance to distilled and natural waters
  • Indutsrial Spectacle Blind Flanges is resistance to neutral and alkaline salt solutions
  • Indutsrial Spectacle Blind Flanges is excellent resistance to dry fluorine
  • Indutsrial Spectacle Blind Flanges is widely used to handle caustic soda
  • Indutsrial Spectacle Blind Flanges is good thermal, electrical and magnetostrictive properties
  • Indutsrial Spectacle Blind Flanges is offers some resistance to hydrochloric and sulfuric acids at modest temperatures and concentrations

 

Packaging of Spectacle Blind Flanges

Spectacle Blind FlangesAt DM Special Steel Ltd will be special Spectacle Blind flanges with plastic cover to ensure the integrity of sealing surface. Bubble bag, then put in to export wooden neatly in to products during transportation to prevent bumps , scratches and other situations encountered or as per customer requirement.

 

 

 

Spectacle Blind Flanges Materials

 

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