BS4504

We are engaged in manufacturing, supply and export of international quality standard flanges tolerances and tolerances for flanges. We fabricate our range in a variety of standard flanges, BS standard flanges, ANSI standard flanges in different sizes, dimensions and finishes keeping into consideration the process requirements of different industries. Optimization of best quality materials makes these flange tolerance long lasting.

Nominal Size	Machined	Not Machined
Up to 200 Inclusive	±1	±2
Over 200 to 300 Inclusive	±1.5	±2
Over 300 to 400 Inclusive	±2	±3
Over 400	±2	±5

THICKNESS – B

Nominal Size	Machined	Not Machined at Back
Up to 35 Inclusive	+1.5 -0	+3 -0
Over 35	+3 -0	+5 -0

LENGTH OF WELDING NECK – L

Nominal Size	Machined
Up to 80 Inclusive	±1.5
Over 80 to 250 Inclusive	±2
Over 250	±3

Add to Enquiry Basket

Flange Tolerance

BS 1560 (ANSI B 16.5-1973)

BS4504

Stainless Steel Flanges

Home :: About Us :: Industries We Serve :: Why Us? :: Quality :: Contact Us :: Enquiry