Spectacle Blind Flanges Supplier

ANSI B16.5 Spectacle Blind Flange, Raised Face Spectacle Blind Flanges, ASME B16.47 Series A Spectacle Blind Flange, ASME B16.5 Spectacle Blind Flanges, Spectacle Blind Pipe Flange, Spectacle Blind Flanges, Spectacle Blind Flange Manufacturer In Mumbai, India.

Nextgen Steel & Alloys is a famous name in the leading market as a manufacturer and supplier of quality products in the form of Spectacle Blinds. We  provide these superior quality products to match the client’s requirements and operational conditions in various industries. We choose different alloys as raw materials that is suitable to present a variety of products in different forms.


Duplex Steel Spectacle Blind Flange, Class 600 Spectacle Blind Flanges Exporter, Carbon Steel Spectacle Blind Flange, Nickel Alloy Spectacle Blind Flange, Class 300 Spectacle Blind Flanges, Stainless Steel Spectacle Blind Flanges, Alloy Steel Spectacle Blind Flange, Class 150 Spectacle Blind Flanges, Spectacle Blind Flanges Supplier In India.

Spectacle Blinds products are commonly applied to separating pipe systems permanently and to  connect. Our offered Blind product is a steel plate cut into two discs of a specific thickness. These two discs are connected or attached by a steel section, which looks like the nose piece of glasses. Here, one of the discs is a solid plate, whereas the other is a ring (its inside diameter is equal to that of a flange). These Blinds can be efficiently used in systems that regularly require to be separated from other installations. These high-grade Spectacle Blinds are mounted in the position, which is in an open state, in such a way that flow through the pipe is possible. If we rotate the close position of Spectacle Blinds, the pipe is blanked off, and no current is possible.

These are turned to a closed position while the maintenance of a pipe system is carried out. Now, the flow will take place through a hole drilled in the connection piece. So, by loosening all bolts and partial removal of these Spectacle Blind can be switched. After restoring the blinds from old gaskets, the bolts are then re-assembled and tightened.

Nextgen Steel & Alloys company makes Spectacle Blinds similar to those made from different grades. Our expertise guarantees that these products work in extreme conditions with exceeding strength and the ability to resist corrosion. Along with this, we assure their properties and functionalities to sustain in multiple operational conditions.

Standard Specifications for Spectacle Blind Flanges

Spectacle Blind Flanges Dimensions

ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.

Spectacle Blind Flanges Standard

ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.

Spectacle Blind Flanges Size

1/2" (15 NB) to 48" (1200NB) DN10~DN5000

Spectacle Blind Flanges Class / Pressure

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Pressure Calculation in DIN

6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64

Spectacle Blind Flange Face Type

Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Spectacle Blind Flanges Materials and Grade :

Stainless Steel Spectacle Blind Flanges :
ASTM A182, F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L, SMO 254

Duplex & Super Duplex Steel Spectacle Blind Flanges :
ASTM / ASME A/SA 182 F44, F45, F51, F53, F55, F60, F61 / Duplex 2205 – UNS S31803, UNS S32205 / Super Duplex 2507 – UNS S32750, UNS S32760

Carbon Steel Spectacle Blind Flanges :
ASTM/ ASME A105, ASTM/ ASME A350 LF2, ASTM A694 & ASME SA694 F42 / F46 / F52 / F56 / F60 / F65 / F70

Alloy Steel Spectacle Blind Flanges :
ASTM / ASME A182 F5 / F9 / F11 / F12 / F22 / F91

Inconel Spectacle Blind  Flanges : ASTM B564, Inconel 600 – UNS No. N06600, Inconel 601 – UNS No. N06601, Inconel 625 -UNS No. N06625, Inconel 715, Inconel 718 – UNS No. N07718, Incoloy 800 / 800H /800HT – (UNS No. N08800 / N08810 / N08811), Incoloy 825 – UNS No. N08825, Incoloy 925 – UNS No. N09925

Hastelloy Spectacle Blind Flanges :
ASTM B/SB564, Hastelloy B2 – UNS No. N10665, Hastelloy B3 – UNS No. N010675, Hastelloy C4 – UNS No. N06455, Hastelloy C22 – UNS No. N06022, Hastelloy C276 – UNS No. N10276, Hastelloy C2000 – UNS No. N06200, Hastelloy X – UNS No. N06002

Nickel Spectacle Blind Flanges : Nickel 200 – UNS No. N02200 , Nickel 201 – UNS No. N02201

Monel Spectacle Blind Flanges :
ASME SB 564, Monel 400 – UNS No. N04400, Monel K500 – UNS No. N05500

Titanium Spectacle Blind Flanges :
ASTM B381 / ASME SB381, Grade 2 – UNS No. R50400, Grade 5 – UNS No. R56400

Alloy 20 Spectacle Blind Flanges :
ASTM B462 / ASME SB462 – UNS No. N08020

Contact us to get quote for your requirement.

Our worldwide presence ensures the timeliness, cost efficiency and compliance adherence required to ensure your production timelines are met.

Dimensions of Spectacle Blind pipe flange

Class 150 Spectacle Blind Flange Dimensions Chart

Size in InchSize in MMInternal Dia.Outer Dia.Center to CenterThick.Web WidthWeb Thick.Hole DiaSpec. Blind Weight in KgPaddle Blank Weight in kgPaddle Spacer Blank Weight in kg
1 1/4324273906.438415.8750.350.210.14
1 1/24048831006.438415.8750.460.270.18
2 1/265731071406.451419.050.70.460.24
3 1/2901021591759.764519.052.441.540.9

Dimensions of Spectacle blind flange 300

Size in InchSize in MMInternal Dia.Outer Dia.Center to CenterThick.Web WidthWeb Thick.Hole DiaSpec. Blind Weight in KgPaddle Blank Weight in kgPaddle Spacer Blank Weight in kg
1 1/43242791006.438419.050.430.250.17
1 1/24048921156.438422.2250.580.340.24
2 1/265731271509.751522.2251.640.980.65
3 1/29010216218512.764722.2253.352.091.26

Weight Chart of ASME B16.5 Spectacle Blinds Flanges

DN In inchesDimensionASME B16.48 Dimensional Sizes 1/2 inches to 2 1/2 inches
125 LBS
150 LBS
300 LBS400 LBS600 LBS900 LBS1500 LBS2500 LBS
1/2A3 1/288.93 3/495.23 3/495.23 3/495.24 3/41214 3/41215 1/4133.4
b7/1611.19/1614.39/1614.39/1614.37/822.27/822.21 3/1630.2
D21 3/834.91 3/834.91 3/834.91 3/834.91 3/834.91 3/834.91 3/834.9
D12 3/860.32 5/866.72 5/866.72 5/866.73 1/482.63 1/482.63 1/288.9
3/4A3 7/898.44 5/8117.54 5/8117.54 5/8117.55 1/81305 1/81305 1/2139.7
b1/212.75/815.95/815.95/815.9125.4125.41 1/431.8
D21 11/1642.91 11/1642.91 11/1642.91 11/1642.91 11/1642.91 11/1642.91 11/1642.9
D12 3/469.83 1/482.53 1/482.53 1/482.53 1/288.93 1/288.93 3/495.2
1A4 1/41084 7/8123.84 7/8123.84 7/8123.85 7/8149.25 7/8149.26 1/4159
b9/1614.311/1617.511/1617.511/1617.51 1/828.61 1/828.61 3/834.9
D13 1/879.43 1/288.93 1/288.93 1/288.9410241024 1/4108
1 1/4A4 5/8117.55 1/4133.45 1/4133.45 1/4133.46 1/41596 1/41597 1/4184.2
b5/815.93/41913/1620.613/1620.61 1/828.61 1/828.61 1/238.1
D22 1/263.52 1/263.52 1/263.52 1/263.52 1/263.52 1/263.52 1/263.5
D13 1/288.93 7/898.43 7/898.43 7/898.44 3/81114 3/81115 1/8130
d5/815.93/4193/4193/419125.4125.41 1/828.6
1 1/2A51276 1/8155.66 1/8155.66 1/8155.67177.87177.88203
b11/1617.513/1620.67/822.27/822.21 1/431.81 1/431.81 3/444.5
D22 7/873 982 7/8732 7/8732 7/8732 7/8732 7/8732 7/873
D13 7/844 1/21144 1/21144 1/21144 7/81244 7/81245 3/4146
d5/8. 15.97/822.27/822.27/822.21 1/828.61 1/828.61 1/431.8
2A6152.46 1/2165.16 1/2165.16 1/2165.18 1/2215.98 1/2215.99 1/4234.9
b3/4197/822.2125.4125.41 1/238.11 1/238.1250.8
D23 5/892.13 5/892.13 5/892.13 5/892.13 5/892.13 5/892.13 5/892.1
D14 3/41215127512751276 1/2165.16 1/2165.16 3/4171
d3/4193/4193/4193/419125.4125.41 1/828.6
2 1/2A7177.87 1/2190.57 1/2190.57 1/2190.59 5/82449 5/824410 1/2266.7
b7/822.2125.41 1/828.61 1/828.61 5/841.31 5/841.32 1/457.2
D24 1/8104.84 1/8104.84 1/8104.84 1/8104.84 1/81054 1/81054 1/8105
D15 1/2139.75 7/8149.25 7/8149.25 7/8149.27 1/2190.57 1/2190.57 3/4197
d3/4197/822.27/822.27/822.21 1/828.61 1/828.61 1/431.8

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Application of Spectacle Blind Flanges

Spectacle Blind Flanges in Oil & Gas Exploration
Oil & Gas Exploration 84%
Spectacle Blind Flanges in Shipbuilding
Shipbuilding 60%
Spectacle Blind Flanges in Petrochemical
Petrochemical 84%
Spectacle Blind Flanges in Nuclear Power Plants
Nuclear Power Plants 71%
Spectacle Blind Flanges in Food & Dairy Industries
Food & Dairy Plants 73%
Spectacle Blind Flanges in Chemical Industries
Chemical Industries 81%
Spectacle Blind Flanges in Pharmaceutical Industries
Pharmaceutical 57%

We Export Forged Spectacle Blind Across the Globe

MIDDLE EAST : Saudi Arabia, Iran, Ira, Qatar, Bahrain, Oman, Kuwait, Turkey, Yemen, Syria, Jordan, Cyprus

AFRICA : Nigeria, Algeria, Angola, South Africa, Libya, Egypt, Sudan, Equatorial Guinea, the Republic Of Congo, Gabon

NORTH AMERICA : US, Canada, Mexico, Panama, Costa Rica, Puerto Rica, Trinidad And Tobago, Jamaica, Bahamas, Denmark

EUROPE : Russia, Norway, Germany, France, Italy, UK, Spain, Ukraine, Netherlands, Belgium, Greece, Czech Republic, Portugal, Hungary Albania, Austria, Switzerland, Slovakia Finland, Ireland Croatia, Slovenia, Malta

ASIA : Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea, Japan, Sri Lanka, Maldives, Bangladesh, Myanmar, Taiwan, Cambodia

SOUTH AMERICA : Argentina, Bolivia, Brazil, Chile, Venezuela, Colombia, Ecuador, Guyana, Paraguay, Uruguay

We Supply Spectacle Blind Flanges All over India

Andhra Pradesh : Visakhapatnam, Vijayawada

Bihar : Patna

Chhattisgarh : Raipur

Delhi : New Delhi

Gujarat : Ahmedabad, Surat, Vadodara, Rajkot

Haryana : Faridabad

Jammu and Kashmir : Srinagar

Jharkhand : Ranchi, Dhanbad

Karnataka : Bangalore

Madhya Pradesh : Indore, Bhopal, Gwalior, Jabalpur

Maharashtra : Mumbai, Pune, Nagpur, Thane, Nashik, Kalyan-Dombivli, Vasai-Virar, Aurangabad, Navi Mumbai

Punjab : Ludhiana, Amritsar

Rajasthan : Jaipur, Jodhpur, Kota

Tamil Nadu : Chennai, Coimbatore, Salem, Madurai

Telangana : Hyderabad

Uttar Pradesh : Lucknow, Kanpur, Ghaziabad, Agra, Meerut, Varanasi, Allahabad

West Bengal : Kolkata, Howrah

47, Navnidhi Bhavan, Ground Floor, Shop No. 2, 5th Kumbharwada Lane, Near Moti Cinema, Mumbai 400 004, India.

Mail: sales1@ng-steel.com

Fax: +91 22 2389 2178