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We are a company focused on engineering and business activities in the area of environmental technologies. Our Product Supply Division offers a broad portfolio of Steel Flanges and Blind Flanges.
Blind Flanges / BLRF Flange

Blind pipe flanges are used to seal the end of a piping system or pressure vessel openings to prevent flow. Blind pipe flange are mainly used for pressure testing the flow of liquid or gas through a pipe or vessel. Blind pipe flanges also allow easy access to the pipe in the event that work must be done inside the line. Blind pipe flange are also used for high pressure applications.
Blind Flanges Product Range
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 Blind 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 Blind Flanges
Grade : 2205 (UNS No. S31803), 2507 (UNS No. S32750)
Nickel Alloy Blind 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 Blind 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)
Variations:
Face finish : Raised face (RF) - Flat face (FF) - RTJ - ...
Variations : Spectacle Blind
Standards:
ASTM A182 - ASME SA182 - 'Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings'
ASME B16.5 - 'Pipe Flanges and Flanged Fittings'
ASME B16.36 - 'Orifice Flanges'
ASME B16.47 - 'Large Diameter Steel Flanges NPS26 Through NPS60'
MSS SP-6 - 'Standard Finishes for Contact Faces of Pipe Flanges and Connecting End Flanges of Valves and Fittings'
Dimensions
Diameter : 1/2" à 24"
Pressure class : 150# - 300# - 600# - 1500#
Main Export Market
- Eastern Europe
- North America
- Mid East/Africa
- Central/South America
- Asia
- Western Europe
- Australasia
- UAE
U.A.E,
Oman,
Saudi Arabia,
Qatar,
Bahrain,
Egypt,
Turkey
Singapore,
Thailand,
Malaysia
Indonesia
Poland
Italy
Portugal
Spain
Brazil
Chile
Venezuela
Costa Rica
USA
Canada
Angola
Sri Lanka
Russia
→ PRODUCTS
- Forged Flanges
- Blind Flanges
- Spectacle Blinds
- High Hub Blinds
- Orifice Flanges
- Slip-on Flanges
- Socket Weld Flanges
- Weld Neck Flanges
- Flat Flanges
- Threaded Flanges
- Lapped Joint Flanges (Loose Flanges)
- Reducing Flanges
- Weld Neck Flanges Series A or B
- Square Flanges
- Groove & Tongue Flanges
- Long Neck Weld Flanges
- WNRF Flanges
- BLRF Flanges
- SORF Flanges
- Screwed Flanges
- Ring Type Joint Flanges
- RTJ Flanges
- SWRF Flanges
- Flange Facing Type & Finish
- Spades and Ring Spacers (part of flange connection)
- Weldo Flange / Nipo Flange
- Expander Flange
- Flanges Dimension
- ANSI / ASA B16.5 FLANGE
- ANSI B16.47 FLANGE
- DIN FLANGE PN6-PN40
- UNI FLANGE PN6-PN40
- EN 1092-1 FLANGE PN6-PN40
- JIS B 2220 FLANGE
- BS 4504 FLANGE PN6-PN40
- BS 10 FLANGE
- SABS / SANS 1123 FLANGE
- GOST / ГОСТ 12820-80 Flange
- GOST / ГОСТ 12821-80 Flange
- MSS SP44 FLANGE
- API FLANGE
- AWWA C207 FLANGE
- ISO FLANGE
- FRENCH NFE 29203 FLANGE
- AUSTRALIAN FLANGE
- NORWEGIAN NS FLANGE
- SWISS VSM FLANGE
- KOREAN FLANGES
- PDF Download
- ANSI B16.5 Class 150 LBS Blind Flange
- ANSI B16.5 Class 150 LBS Lap Joint Flange
- ANSI B16.5 Class 150 LBS Slip On Flange
- ANSI B16.5 Class 150 LBS Socket Welding Flange
- ANSI B16.5 Class 150 LBS Threaded Flange
- ANSI B16.5 Class 150 LBS Weld Neck Flange
- ANSI B16.5 Class 300 LBS Blind Flange
- ANSI B16.5 Class 300 LBS Lap Joint Flange
- ANSI B16.5 Class 300 LBS Slip On Flange
- ANSI B16.5 Class 300 LBS Threaded Flange
- ANSI B16.5 Class 300 LBS Weld Neck Flange
- ANSI B16.5 Class 400 LBS Blind Flange
- ANSI B16.5 Class 400 LBS Lap Joint Flange
- ANSI B16.5 Class 400 LBS Slip On Flange
- ANSI B16.5 Class 400 LBS Threaded Flange
- ANSI B16.5 Class 400 LBS Weld Neck Flange
- ANSI B16.5 Class 600 LBS Blind Flange
- ANSI B16.5 Class 600 LBS Lap Joint Flange
- ANSI B16.5 Class 600 LBS Slip On Flange
- ANSI B16.5 Class 600 LBS Socket Welding Flange
- ANSI B16.5 Class 600 LBS Threaded Flange
- ANSI B16.5 Class 600 LBS Weld Neck Flange
- ANSI B16.5 Class 900 LBS Blind Flange
- ANSI B16.5 Class 900 LBS Lap Joint Flange
- ANSI B16.5 Class 900 LBS Slip On Flange
- ANSI B16.5 Class 900 LBS Threaded Flange
- ANSI B16.5 Class 900 LBS Weld Neck Flange
- ANSI B16.5 Class 1500 LBS Blind Flange
- ANSI B16.5 Class 1500 LBS Lap Joint Flange
- ANSI B16.5 Class 1500 LBS Slip On Flange
- ANSI B16.5 Class 1500 LBS Threaded Flange
- ANSI B16.5 Class 1500 LBS Weld Neck Flange
- ANSI B16.5 Class 2500 LBS Blind Flange
- ANSI B16.5 Class 2500 LBS Lap Joint Flange
- ANSI B16.5 Class 2500 LBS Threaded Flange
- ANSI B16.5 Class 2500 LBS Weld Neck Flange
- ASME B16.47 Series A Flange
- ASME B16.47 Series B Flange
- ANSI B16.36 Orifice Flange
- Butt-Welding Fittings
- Forged Fittings Type Thread Fittings
- Forged Fittings Type Socket Weld
- Fasteners
- Pipes & Tubes
- Sheets & Plates
- Round Bar
- Forgings
- Welding Electrodes


We are regular suppliers from India for Blind Flanges
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