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Blind flange

★ Production standard: Chinese standard, American standard, European standard, German standard, Russian standard, Japanese standard, British standard, South African standard;

★ Material: carbon steel, stainless steel, alloy steel;

★ Size:1/2”-120”; DN15-DN3000;

★ Pressure rating:150#; 300#; 600#; 900#; 2000#; 3000#; 6000#; 9000#;

★ Coating: anti-corrosion coating; galvanized;

★ Applications:Construction, chemical industry, electric power, water treatment, petroleum, aerospace, fire protection, industry, shipbuilding, pharmaceuticals, etc.;

★ Remarks:Customized products can be produced according to customer requirements;

  • Commodity name： Blind flange

Category:

Blind flange

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  • Description

  • Blind flange

    1. Production standard:

    ★Chinese standard:
    ⊙ National Standards: GB/T9119-2010, GB/T2555-81; GB/T9115.1-2000, GB/T9115.2-2000, GB/T9115.3-2000, GB/T9115.4-2000
    ⊙ Ministry of Chemical Industry standard HG/T20592-2009, HG20593-2009, HG20615-2009;
    ⊙ Standards of the Ministry of Machinery: JB/T81-94, JB/T74-94, JB/T75-94; JB/T86.2-94
    ⊙ Marine standard CB/T47-1999
    ⊙ Energy industry standard recommendation: NBT47023-2012
    ★American Standard: ASME B16.5, ANSI
    ★European standard: EN 1092-1:2007
    ★German standard: DIN2527, 2573, 2627-2638, 2673, 2552, 2653, 2655, 2656, 2641, 2642, 2565-2569
    ★Russian standard: GOST12820-80, GOST 12836-80, GOST 12821-80
    ★Japanese standard: JIS B2220
    ★British Standard: BS10 TABLE D/E
    ★South African Standard: SABS 1123

    2. Material:

    ★Carbon Steel: ASTM A105, 20#, Q235, 16Mn, ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, F70;
    ★Stainless Steel: ASTM A182 F304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti, 321, 18-8;
    ★Alloy Steel: ASTM A182 F1, F5a, F9, F11, F12, F22, F91, A182F12, A182F11, 16MnR, Cr5Mo, 12Cr1MoV, 15CrMo, 12Cr2Mo1, A335P22, St45.8/Ⅲ;

    3. Size:1/2”-120”; DN15-DN3000

    4. Pressure level:150#；300#；600#；900#；2000#；3000#；6000#；9000#

    5. Coating:Anti-corrosion coating; galvanized.

    6. Detection:Chemical composition analysis; Mechanical properties; Metallographic test,; Acid resistance test,; Heat treatment; Ultrasonic test; Penetration test; Magnetic particle test; X-ray detection; Hydrostatic test; Burst test; According to customer needs

    7. Application:Construction, chemical industry, electric power, water treatment, petroleum, aerospace, fire protection, industry, shipbuilding, pharmaceuticals, etc.

    8. Remarks:Customized products can be produced according to customer requirements

    Schematic diagram of flange structure

    flange

    Product Display

    The pressure marks specified in this standard are divided into PN marks and Class marks.

    ★ PN mark has 12 pressure levels

    PN2.5;PN6;PN10;PN16;PN25;PN40;PN63;PN100;PN160;PN250;PN320;PN400

    ★ Class mark has 6 pressure levels

    They are:Class 150;Class 300;Class 600;Class 900;Class 1500;Class 2500

    Blind flange

Key words:

Blind flange

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