WELDING NECK FLANGE – DIN 2634 – CLASS PN 25

FEATURES

Dimensions according to DIN Standard 2634

– Pressure class PN 25 (1)

Materials:

– Carbon Steel ASTM A 181 Gr. I.

– Carbon Steel ASTM A 105.

– Other Leagues On Request.

Types of facing:

– With Shoulder (DIN 2526).

– Flat (DIN 2526).

– Male (DIN 2512 / DIN 2513).

– Female (DIN 2512 / DIN 2513).

– Male/Female to o-ring (DIN 2514)

Joint face finish types for flat-facing flanges:

– Form A: smooth (without groove).

– Form B: Rz=160 (not thinner than 40μ).

Joint face finish types for facing flange with Shoulder:

– Form C: Rz=160 (not thinner than 40μ).

– Form D: Rz=40.

– Form E: Rz=16.

Bevels for welding neck (S):

– According to DIN 2559.