Product Description

Full Specification for Weld Neck Flange:

1. International Standards:

   (1) American Standard

    ASME/ANSI B *6.5, ASME B *6.*7 SERIES A(MSS SP *4), ASME B *6.*7 SERIES B(API **5), ASME B *6.1

   (2) British Standard

    BS ***3, BS ***0, BS ***4, BS *0

   (3) German Standard

    DIN***0, DIN***1, DIN***2, DIN***3, DIN***4, DIN***5, DIN***6, DIN***7, DIN***7, DIN***8, DIN***9

   (4) Italian Standard

    UNI ***0, UNI ***1, UNI ***2, UNI ***3, UNI ***4

   (5) Russian, Australian, Japanese & Norwegian Standard

    GOST *******0, AS***9, JIS B***0 / KS B***3, NOSOK L***5

2. Material Specification:

    ASTM A **5, ASTM A **1, ASTM A **0, ASTM A **6, ASTM A **4, ASTM A *6

    ASTM A**2 F**4/F**4L, F**6/F**6L, **9, **0, **7L, **1, **7, **4L

    Aluminum ***3, ***1; HASTALLOY B*2, C***6, G, X, C**2;

    INCONEL **0, **1, **5, **8; INCOLLOY **0, **5, **0H, **0HT

    MONEL **0; COPPER C****0, C****0; DUPLEX F*1, F*3;  TITANIUM Gr2, Gr*2

3. Pressure Ratings:

    *5LB, **5LB, **0LB, **0LB, **0LB, **0LB, **0LB, ***0LB, ***0LB; 5K, *0K, *6K, *0K, *0K

    PN2.5, PN6, PN*0, PN*6, PN*5, PN*0, PN*4, PN*0, PN**0, PN**0, PN**0, PN**0

4. Size Range:

     1/2" ~ *2" (DN*5 ~ DN***0)
other stypes flanges are in supply.