Quality forge and Fitting is a leading manufacturer,
Supplier and Exporter of Flanges and Fitting

Spectacle Blind Flanges

Manufacturer, supplier, and exporter in India

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Author: Quality Forge & Fitting | Updated on: 1 June 2021

Are you looking for the finest quality Spectacle Blind Flanges manufacturer and suppliers?

Get Quality products at Low price and Quick Dispatch and Delivery Available from Quality Forge & Fitting warehouse. Topmost Quality Carbon Steel Flanges, Carbon Steel Flanges, Mild Steel Flanges and Flanges manufacturers in India.

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Quality Forge & Fitting is a highly acclaimed manufacturer, supplier, and exporter of all types of stainless steel flanges, carbon steel flanges, Monel Flanges Nickel Flanges, Inconel Flanges, Hastelloy Flanges, Copper Flanges, Brass Flanges, Bronze Flanges, Titanium Flanges, Tantalum Flanges, Bismuth Flanges, Aluminium Flanges, High Speed Steel Flanges, Zinc Flanges, and Lead Flanges. Quality Forge & Fitting is one of the leading manufacturer, supplier, and exporter of types of flanges like Welding Neck Flanges (WNRF), Blind Flanges (BLRF), Slip On Flanges (SORF), Socket Weld Flanges (SWRF), Lap Joint Flanges, Screwed/ Threaded Flanges, Spectacle Blind Flanges, Spades and Ring Spacers, Square Flanges, Orifice Flanges, Ring Type Joint Flanges (RTJ), Plate Flanges, Orifice Flanges, ANSI/ ASME B16.5 Flanges, BS 10 Flanges, DIN Flanges, EN 1092-1 Flanges, and JIS Flanges.

Table of Contents

Description of Spectacle Blind Flanges

The Spectacle Blind flange is also known as figure-8 blind flange is cut to fit between two pipe flanges and usually sandwiched between two gaskets. Spectacle Blind Flanges is often made from two metal discs, which are attached to each other with a small section of steel. The Spectacle blind flanges are similar to a blind flange but different because they fit between two flanges. One side of Spectacle Blind Flange is fully closed for complete flow shuts off, whereas the other end is open for full flow.

Asme/Ansi B16.5 Spectacle Blind Flanges Stockholder, Spectacle Blind Flanges Manufacturer, Blind Flanges Exporter, Spectacle Flanges, Forged Steel Spectacle Blind Flanges Supplier, Astm A182 Spectacle Blind Flanges Supplier In India.

Need more detailed product information before ordering?  If you’re ready to order or would like to talk with one of our materials experts, for more specific questions regarding our products, please Contact Us at +91 9833 359 757 or send enquiry through the Enquiry Form.

Spectacle Blind Flanges Specifications

Dimensions
ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Size
1/2″ (15 NB) to 48″ (1200 NB)
Class
150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
DIN
DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673
BS
BS4504 , BS4504, BS1560, BS10
Flanges Face Type
Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Spectacle blind Flanges Material & Grades

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 & Super Duplex Steel Spectacle blind Flanges
ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Carbon Steel Spectacle blind Flanges
ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706
Low Temperature Carbon Steel Spectacle blind Flanges
ASTM A350, LF2, LF3
Alloy Steel Spectacle blind Flanges
ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Copper Alloy Steel Spectacle blind Flanges
ASTM SB 61 , SB62 , SB151 , SB152 UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200
Nickel Alloy Spectacle blind Flanges
ASTM SB564, SB160, SB472, SB162 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)

Spectacle Blind Flanges Price List

Spectacle Blind Flanges Types Spectacle Blind Flange Price in India Spectacle Blind Flange Price in USD
Stainless Steel Spectacle Blind Flanges INR 300 to 450 * / Kg USD $ 10.45* /Kg
Alloy steel Spectacle Blind flanges INR 300 to 350 */ Kg USD $ 55.36* /Kg
Carbon steel Spectacle Blind flanges INR 100 to 125 */ Kg USD $ 65.89 */Kg
ASME b16.47 Spectacle Blind flanges INR 90 to 100 */ Kg USD $ 75.56* /Kg
ANSI b16 5 Spectacle Blind flanges INR 90 to 120*/ Kg USD $ 65.56* /Kg

*Prices shown above are provisional prices and may change due to different market conditions. The market prices for materials have become very volatile in recent months. As a result, we cannot provide exact online pricing for these items, for latest prices please Contact Us at Contact Us at +91 9833 359 757 or send enquiry through the Enquiry Form to get the final price within hours. 

Quality Forge & Fitting one of the most competitive suppliers of Flanges pipe fittings products from India and our prices for are very competitive. Please request the updated price list and ready stock information along with your requirement. Quality Forge & Fitting maintains a stock of all standard items and can export them at the best price.

ANSI/ASME B16.48 Spectacle Blind Flanges Dimensions

wnf8Class 150 Spectacle Blind Flange 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
NPS Outside Ø
A
Inside Ø
B
Centerline
C
Thickness
t
Web Width
W

Class 300 Spectacle Blind Flange

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 Blind Flanges

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 Blind Flange

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 Blind Flange

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 Blind Flange

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

Other Types of Spectacle Blind Flanges

Spectacle Blind Flanges Spectacle Flanges
Carbon Steel Spectacle Blind Flanges Distributors CS Spectacle Blind Flanges Manufacturer
Alloy Steel Spectacle Blind Flanges AS Spectacle Blind Flanges Exporter
Duplex Steel Spectacle Blind Flanges Supplier Super Duplex Steel Spectacle Blind Flanges
ASME/ANSI B16.5 Spectacle Blind Flanges Stockholder ASTM A182 Spectacle Flanges Suppliers
Stainless Steel Spectacle Blind Flanges Dealer SS Spectacle Blind Flanges Stockholder
Nickel Alloys Spectacle Blind Flanges Dealer Alloy 20 Spectacle Blind Flanges
Spectacle Blind Flanges Exporter Spectacle Flanges Stocks
Forged Steel Spectacle Blind Flanges Supplier Din Spectacle Blind Flanges Exporter
Spectacle Blind Flanges Stockist Blind Flanges Distributors

Spectacle Blind Flange Pressure Ratings

Flanges pressure rating in psig for Spectacle Blind Flange ASME 

Temperature (F°) 150# 300# 400# 600# 900# 1500# 2500#
-20 to 100 285 740 985 1480 2220 3705 6170
200 260 680 905 1360 2035 3395 5655
300 230 655 870 1310 1965 3270 5450
400 200 635 845 1265 1900 3170 5280
500 170 605 805 1205 1810 3015 5025
600 140 570 755 1135 1705 2840 4730
650 125 550 730 1100 1650 2745 4575
700 110 530 710 1060 1590 2655 4425
750 95 505 675 1015 1520 2535 4230
800 80 410 550 825 1235 2055 3430
850 65 320 425 640 955 1595 2655
900 50 230 305 460 690 1150 1915
950 35 135 185 275 410 685 1145
1000 20 85 115 170 255 430 715

Spectacle Blind Flanges Applications

Quality Forge & Fitting are engaged in manufacturing of robust quality ofSpectacle Blind Flanges widely used in the following industries:

 

● Pharmaceutical Equipment● Food Industries
● Chemical Equipment● Manufacturing Industries
● Sea Water Equipment● Nuclear Power Plant
● Heat Exchangers● Oil & Gas Industries
● Condensers● Agriculture Industries
● Pulp and Paper Industry● Construction Industries / Building Systems
● Mining Industries● Ship Building Industries
● Water Industries● Energy Industries
● Cement Industries● Sugar Industries
● Transport Industries- Rail and Road● Off-Shore Oil Drilling Companies
● Automotive Industries● Power Generation
● Petro-Chemical Industries● Gas Processing
 ● Specialty Chemicals

Why Quality Forge & Fitting?

Quality Forge & Fitting is a leading stockist, distributor, and supplier of Flanges from India. We understand and understand the steel industry deeply and supplying to all major industries across the world. We supply flanges and Forged Fitting products and have experience in the field for more than 14 years. We have an in-house, fully modernized manufacturing unit producing customizable products that are 100 % durable and fully certified. We use the latest machinery and the latest technology to fabricate these Forged pipe fittings products. Our products are preferred by our clients due to their unique features including durability, reliability, easy operation, reasonable price, dimensional accuracy, high-end finishing, etc. We regularly supply these pipe fittings to many leading industrial units comprising petrochemicals plants, chemical, fertilizers, refineries, paper mills, cement plants, sugar mills, fabrication units etc. Our team of dedicated experts with stringent quality policy who carry quality check at every stage of production ensures that we supply best-in-class products meeting and exceeding our client’s expectations. Quality Forge & Fitting specialities that makes us a profitable business partner for our clients are:
  • Modern Infrastructure with huge storage capacity.
  • Stringent quality control policies and highly experienced team.
  • Distributors of all reputed origins and manufacturers.
  • Vast inventory of products with standard sizes and grades.
  • Strong logistics & delivery channels.
  • Superior quality products with timely deliveries
  • Confirmed execution of small as well as large consignment orders
Quality Forge & Fitting is committed to providing complete customer satisfaction when it comes to the performance, quality, timely delivery and the prices of our products. Customization facility is also provided as per the clients’ requirements as we keep upgrading our products according to the latest market trends. We fulfil each and every customer requirement irrespective of the size of the order. Our clients have been doing business with us for years, indicating higher levels of customer satisfaction. We always welcome any types of enquiries, queries and suggestions from our clients to improve our products and services to serve them better.
Shipping Policy : Our sales team will notify your delivery schedules when quoting you. Delivery time and delivery dates are based on the quantities and what types of products are ordered. Please check with our sales department when placing any orders as on exceptional occasions the delivery schedule may change. Orders may take up to 5-10 business days in transit. If products are out of stock, orders may take up to 2-4 weeks to ship. Quality Forge & Fitting will inform the buyer if this situation occurs.
Marking and Packing : All products are marked with lot no, size, grade, degree and our trademark. Products are packed to confirm that there is no damage during transit. We assure timely delivery of the product but subject to the availability of the stock. Additionally, to ensure safer shipping products are packaged in Wooden crates/pallets/boxes, Shrink-wrapped and Carton boxes. In case of export orders, standard export packaging is done in wooden cases and on special requests from clients, we can make custom marking on products.
Documentations : Documentation is offered on buyer’s request for assurance of quality of product supplying only-
  • Commercial invoice
  • Fumigation certification
  • Heat treatment chart
  • Quality assurance plan
  • Packaging list
  • Raw material test report
  • Material traceability report
Test Certificates: Manufacturer Test Certificate as per EN 10204 / 3.1B, 100% Radiography Test Report, Raw Materials Certificate, Third Party Inspection Report.

Spectacle Blind Flanges manufacturers, suppliers, and export destinations

Quality Forge & Fitting already supplying to these countries:
ASIAMIDDLE EASTNORTH AMERICASOUTH AMERICAEUROPEAFRICA
 Bangladesh Azerbaijan USA Argentina Albania Algeria
 Cambodia Bahrain Bahamas Bolivia Austria Angola
 India Cyprus Canada Brazil Belgium Egypt
 Indonesia Iran Costa Rica Chile Croatia Equatorial Guinea
 Japan Iraq Denmark Colombia Czech Republic Ethiopia
 Kazakhstan Israel Jamaica Ecuador Finland Gabon
 Malaysia Jordan Mexico Guyana France Ghana
 Maldives Kuwait Morocco Paraguay Germany Kenya
 Myanmar Oman Panama Peru Greece Libya
 Philippines Qatar Puerto Rico Uruguay Hungary Madagascar
 Singapore Saudi Arabia Trinidad And Tobago Venezuela Ireland Mozambique
 South Korea Syria   Italy Namibia
 Sri Lanka Turkey   Malta Nigeria
 Taiwan UAE   Netherland South Africa
 Thailand Yemen   Norway Sudan
 Vietnam    Portugal The Republic of Congo
     Russia Uganda
     Slovakia 
     Slovenia 
     Spain 
     Switzerland 
     Ukraine 
     United Kingdom 
Quality forge & fitting already supplying to these Indian cities:
 Chennai  Kerala  Hyderabad
 Pune  Mumbai  Surat
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