Name: Blind Raised Face Flanges Manufacturer In India As Per Astm A105, Astm A350 Lf2 & Astm A182 F304, F304l, F316, F316l
Brand: New Era Pipes & Fittings
Availability: InStock
Rating: 5 (25 reviews)

Question 1

What materials are used to manufacture Blind Raised Face Flanges?

Accepted Answer

These flanges are manufactured from a wide range of materials to suit different industries and environments. Common materials include carbon steel (ASTM A105), stainless steel (304, 316, 321), alloy steel, duplex, super duplex, and nickel alloys. The choice of material depends on factors like operating temperature, fluid composition, and pressure rating. For corrosive or high stress environments, stainless steel and special alloys are preferred.

Question 2

What standards do Blind Raised Face Flanges conform to?

Accepted Answer

Blind Raised Face Flanges are manufactured in strict compliance with international standards, including ASME B16.5, ASME B16.47, ANSI, DIN, and EN standards. These standards govern dimensions, pressure ratings, tolerances, and material requirements, ensuring global compatibility. Compliance guarantees that the flanges are safe, reliable, and interchangeable with equipment across different regions and industries.

Question 3

What is a Spectacle Blind Flange and how is it related?

Accepted Answer

A Spectacle Blind Flange is essentially a pair of metal disks joined by a web—one solid (to block flow) and one with a bore (to allow flow). It provides a quick visual indication of whether a line is open or closed. Spectacle blinds are often used alongside Blind Raised Face Flanges in systems that require frequent flow isolation for maintenance or operational switching.