# What are the common standards for threaded flanges?

Threaded Flanges DN is 10 mm, A is 17.2 mm, D is 90 mm, K is 60 mm, L is 14 mm, n is 4, Th is M12, C is 14 mm, N is 30 mm, R is 3 mm, H is 22 mm, weight is 0.64 kg, specifications are 3/8 inches;

**1/2" 304 Female NPT Stainless Steel Threaded Flange** DN is 15 mm, A is 21.3 mm, D is 95 mm, K is 65 mm, L is 14 mm, n is 4, Th is M12, C is 14 mm, N is 35 mm, R is 3 mm, H is 22 mm, weight is 0.71 kg, specification is 1/2 inch;

Threaded Flanges DN is 20 mm, A is 26.9 mm, D is 105 mm, K is 75 mm, L is 14 mm, n is 4, Th is M12, C is 16 mm, N is 45 mm, R is 4 mm, H is 26 mm, weight is 1.02 kg, specifications are 3/4 inches;

Threaded Flanges DN is 25 mm, then A is 33.7 mm, D is 115 mm, K is 85 mm, L is 14 mm, n is 4, Th is M12, C is 16 mm, N is 52 mm, R is 4 mm, H is 28 mm, weight is 1.23 kg, specification is 1 inch; DN is 32 mm, then A is 42.4 mm, D is 140 mm, K is 100 mm, L is 18 mm, n is 4, Th is M16, C is 18 mm, N is 60 mm, R is 30 mm, weight is 1.96 kg, specification is 11 inches;

Threaded Flanges DN is 40 mm, A is 48.3 mm, D is 150 mm, K is 110 mm, L is 18 mm, n is 4, Th is M16, C is 18 mm, N is 70 mm, R is 5 mm, H is 32 mm, weight is 2.31 kg, specifications are 11/2 inches;

Threaded Flanges DN is 50 mm, A is 60.3 mm, D is 165 mm, K is 125 mm, L is 18 mm, n is 4, Th is M16, C is 20 mm, N is 84 mm, R is 5 mm, H is 34 mm, weight is 3.04 kg, specification is 2 inches.

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