Full Specification for Blind Flange:

1. International Standards:

    (1) American Standard

    ASME/ANSI B 16.5, ASME B 16.47 SERIES A(MSS SP 44), ASME B 16.47 SERIES B(API 605), ASME B 16.1

    (2) British Standard

    BS 1560, BS 4504, BS 10

    (3) German & Italian Standard

    DIN 2527, UNI6092

    (5) Russian, Australian, Japanese & Norwegian Standard

    GOST 12836, AS2129, JIS B2220 / KS B1503, NOSOK L-005

2. Material Specification:

    ASTM A 105, ASTM A 181, ASTM A 350, ASTM A 516, ASTM A 694, ASTM A 36

    ASTM A182 F304/F304L, F316/F316L, 309, 310, 317L, 321, 347, 904L

    Aluminum 3003, 6061; HASTALLOY B-2, C-276, G, X, C-22;

    INConEL 600, 601, 625, 718; INCOLLOY 800, 825, 800H, 800HT

    MonEL 400; COPPER C70600, C71500; DUPLEX F51, F53; TITANIUM Gr2, Gr12

3. Pressure Ratings:

    75LB, 125LB, 150LB, 300LB, 400LB, 600LB, 900LB, 1500LB, 2500LB; 5K, 10K, 16K, 20K, 30K

    PN2.5, PN6, PN10, PN16, PN25, PN40, PN64, PN80, PN100, PN250, PN320, PN400

4. Size Range:

    1/2" ~ 72" (DN15 ~ DN1800)