• Valve Categories

    • Flanged Metal Seated Ball Valve SK41-M

    DN

    15~1200 (1/2"~48")

    PN

    1.0~16.0 (Class150~2500)

    Temperature Range

    -59°C~650°C

    Connection

    Flanged

    Installation Direction

    Bidirectional

    Design

    GB/T12235, API608

    Face to Face

    GB/T12221, ASME B16.10

    Flange Drilling

    GB/T9113, ASME B16.5, EN1092, GOST12820, GOST33259

    Top Connection

    ISO5211, GOST55510

    Inspection

    GB/T26480, ISO5028, API598, JB/T9092

    Body Materials

    A105, LF2, F11, F304, F316, F321, F316Ti, F904L, F310, Duplex Stainless Steel

    Ball Materials

    A105, LF2, F11, F304, F316, F321, F316Ti, F904L, F310, Duplex Stainless Steel

    Stem Materials

    420, 35CrMoA, F6a, F11, F304, F316, F321

    Seat Materials

    420, Stellite alloy, Hastelloy, Inconel, Monel

    Features & Benefits

    SK41-M’s sealing ring is alloy steel surfacing, and there is no much wear when switching (its hardness coefficient is 65-70). The sealing rings are manually ground and they are completely in line, which makes its sealing performance reliable. A spring is used at the bottom of the sealing ring to hold the sealing ring and the ball tightly together. When the external force exceeds the preload of the spring, the opening and closing is very smooth and it has a longer service life.

    Flanged Metal Seated Ball Valve SK41-M

    High platform or yoke under actuator can be selected, which allows to install electric/pneumatic actuators by different standards.

    PTFE (or reinforced graphite) packing material can effectively enhance the sealing from the stem, reduce the opening and closing torque, and make the operation more labor-saving.

    The stem is internally installed, whose shoulder and PTFE (or reinforced graphite) thrust pad prevent the stem from blowing out due to the sudden increase of pressure in the pipeline. The fireproof and anti-static structure can be selected by request. And the conductive spring will be set between the stem & body and the stem & ball to avoid igniting flammable medium due to static electricity, ensuring system safety.

    O-type floating ball adopts full-bore design, makes flow resistance small.

    The three-piece valve body structure makes the maintenance and disassembly of the valve easier and extends the service life of the valve.

    When the ball valve is closed, the pressure will accumulate in the valve body. By opening the vent valve to relieve the pressure, there will be a pressure difference between the inlet and outlet ends of the valve seat. The pressurized valve seat is easier to ensure the tightness.

    With high wear resistance and corrosion resistance, the hard metal-to-metal sealing seat can be applied to high temperature and high pressure medium. It also can be a dual protection of the fire-resistant structure.

    Viton and metal ring make the valve seat achieve sealing self-adjustment, which can achieve zero leakage between the ball and seat.

    High platform or yoke under actuator can be selected, which allows to install electric/pneumatic actuators by different standards.

    PTFE (or reinforced graphite) packing material can effectively enhance the sealing from the stem, reduce the opening and closing torque, and make the operation more labor-saving.

    The stem is internally installed, whose shoulder and PTFE (or reinforced graphite) thrust pad prevent the stem from blowing out due to the sudden increase of pressure in the pipeline. The fireproof and anti-static structure can be selected by request. And the conductive spring will be set between the stem & body and the stem & ball to avoid igniting flammable medium due to static electricity, ensuring system safety.

    O-type floating ball adopts full-bore design, makes flow resistance small.

    The three-piece valve body structure makes the maintenance and disassembly of the valve easier and extends the service life of the valve.

    When the ball valve is closed, the pressure will accumulate in the valve body. By opening the vent valve to relieve the pressure, there will be a pressure difference between the inlet and outlet ends of the valve seat. The pressurized valve seat is easier to ensure the tightness.

    With high wear resistance and corrosion resistance, the hard metal-to-metal sealing seat can be applied to high temperature and high pressure medium. It also can be a dual protection of the fire-resistant structure.

    Viton and metal ring make the valve seat achieve sealing self-adjustment, which can achieve zero leakage between the ball and seat.

    Industry Options

    MaterialsCrNiMoTiTemp. Range ℃
    WCB0.50.50.2--29~425
    A1050.30.40.12-≤450
    LF2-----59~345
    F30418~208~11--≤540 (800)
    F31616~1810~142~3-≤540 (800)
    F32117~219~12-0.7≤540 (800)
    220521~244.5~6.52.5~3.5-≤450
    250724~266~83~5--40~315
    F5121~234.5~6.52.5~3.5--40~315
    F111~1.5-0.44~0.65-≤545
    F22-0.87~1.13--≤550

    Dimensions

    Flanged Metal Seated Ball Valve SK41-M's Drawing

    GB/T 9113 PN16

    DNLDD1D2bfn-ΦdH
    15130 9565451424-14155
    20140 10575551424-14157
    25150 11585681424-14186
    32165 140100781624-18220
    40180 150110881634-18246
    50200 1651251021634-18165
    65220 1851451201838-18180
    80250 2001601352038-18190
    100280 2201801552038-18200
    125320 2502101852238-18250
    150360 2852402102438-22270
    200400 34029526526312-22300
    250450 40535532030312-26380
    300500 46041037530412-26420
    350550 52047043534416-26450
    400600 58052548536416-30530
    450650 64058554540420-30560
    500700 71565060844420-33605
    600800 84077071848520-36660

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