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Long Weld Neck Flange

neck flanges

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Description

Specification for Long Weld Neck Flanges:

1. International Standards:

ASEM B16.5, ASME B16.47 Series A(MSS SP44), ASME B16.47 Series B(API 605)

BS4504, BS3293, BS1560, DIN2627, DIN2628, DIN2629, DIN2633, DIN2634, DIN2635, DIN2636

2. Material Specification:

ASTM A105, A181, A350, A516, A694, A36; EN DIN C22,8, ST37.2

ASTM A182 F304(L), F316(L), F310, F317, F321, F347, F904L

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 Gr.2 Gr.12

3. Pressure Ratings:

Class 150 ~ Class 2500; PN16 ~ PN400

4. Size Range:

1/2& quot; ~ 72& quot; (DN15 ~ DN1800)

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