Blind Flanges

ASME/ANSI B16.5 BLIND (BL) PIPE FLANGES MANUFACTURER IN INDIA MANUFACTURER/EXPORTER OF HIGH QUALITY BLIND FORGED FLANGES CARBON, ALLOY, STAINLESS STEEL BLIND FLANGES

Blind Flanges, BL Forged Flanges Production Range

Size	1/2″ (15 NB) to 48″ (1200NB)
Standards	ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Pressure Ratings	Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc.
Carbon Steel Blind Flanges	ASTM A105/A105N, A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, A694 F42, F46, F48, F50, F52, F56, F60, F65, F70, A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange), Steel RST37.2, C22.8
Stainless Steel Blind Flanges	ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L
Alloy Steel Blind Flanges	ASTM A182 F1, F5, F9, F11, F22, F91
Special Alloy Blind Flanges	Duplex, Super Duplex, Nickel Alloys
Flange Face Type	Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Coating/Surface Treatment	Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized
Value Added Services	CNC Machining, Customised Flanges

Quality Assurance

At Melta Alloys , all fittings and flanges are subject to strict inspection at each stage of the production process, from starting material purchasing to product dispatch. They are visually examined for conformity to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality conformity of products.

Test Certificates:

Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report

Technical Information – Specifications, Dimensions Blind Flanges

• ANSI/ASME B16.5 Blind Flange 150lb
• ANSI/ASME B16.5 Blind Flange 300lb
• ANSI/ASME B16.5 Blind Flange 400lb
• ANSI/ASME B16.5 Blind Flange 600lb
• ANSI/ASME B16.5 Blind Flange 900lb
• ANSI/ASME B16.5 Blind Flange 1500lb
• ANSI/ASME B16.5 Blind Flange 2500lb
• ANSI/ASME B16.47 Series B Blind Flange 75lb
• ANSI/ASME B16.47 Series B Blind Flange 150lb
• ANSI/ASME B16.47 Series B Blind Flange 300lb
• ANSI/ASME B16.47 Series B Blind Flange 400lb
• ANSI/ASME B16.47 Series B Blind Flange 600lb
• ANSI/ASME B16.47 Series B Blind Flange 900lb
• ANSI/ASME B16.47 Series A (MSS SP44) Blind Flange 150lb
• ANSI/ASME B16.47 Series A (MSS SP44) Blind Flange 300lb
• ANSI/ASME B16.47 Series A (MSS SP44) Blind Flange 400lb
• ANSI/ASME B16.47 Series A (MSS SP44) Blind Flange 600lb
• ANSI/ASME B16.47 Series A (MSS SP44) Blind Flange 900lb