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V Type Ball Valve

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V type ball valve is one kind of ball valves whose closing member is its type “V”open mouth on the hemisphere which has sharp cutting edge. During the gyrating process of the ball, the closing members can scrub each other and strongly cut the fluid. Its type “V”open mouth and seat port will form a sector region to change the cross-sectional area of the port and accurately adjust the fluid. V type ball valve is a kind of rotary angle control valve. Its sealing is same as the common ball valve, which equip it with control and on-off two functions. V type ball valve, together with the supporting pneumatic or electric actuator, is widely used in the self-control system of industry.

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V Type Ball Valve

V type ball valve is one kind of ball valves whose closing member is its type “V”open mouth on the hemisphere which has sharp cutting edge. During the gyrating process of the ball, the closing members can scrub each other and strongly cut the fluid. Its type “V”open mouth and seat port will form a sector region to change the cross-sectional area of the port and accurately adjust the fluid. V type ball valve is a kind of rotary angle control valve. Its sealing is same as the common ball valve, which equip it with control and on-off two functions. V type ball valve, together with the supporting pneumatic or electric actuator, is widely used in the self-control system of industry.

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V Type Ball Valve

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  • Description

    Parts List

    Index

    Part

    QTY(PCS)

    Material

    1

    Body

    1

    WCB

    CF8

    CF8M

    2

    Disc

    1

    CF8hard chrome plated

    CF8hard chrome plated

    CF8Mhard chrome plated

    3

    Round Pin

    2

    304

    304

    316

    4

    Seat

    1

    304hard alloy welded

    304hard alloy welded

    304hard alloy welded

    5

    Spring

    1

    316

    316

    316

    6

    O-Ring

    1

    VITON

    VITON

    VITON

    7

    Self-lubricant Bearing

     

    304+PTFE

    304+PTFE

    304+PTFE

    8

    Bottom Stem

    1

    20Cr13

    304

    316

    9

    O-Ring

    1

    VITON

    VITON

    VITON

    10

    Back Gland

    1

    WCB

    CF8

    CF8M

    11

    Ring Gasket

    1

    PTFE

    PTFE

    PTFE

    12

    Control Gasket

    1

    PTFE

    PTFE

    PTFE

    13

    Flat Gasket

    4

    Q235

    304

    304

    14

    Bolt

    4

    25

    304

    304

    15

    Stud

    2

    25

    304

    304

    16

    Self-lubricant Bearing

    1

    304+PTFE

    304+PTFE

    304+PTFE

    17

    Flat Key

    1

    20Cr13

    304

    316

    18

    Bottom Packing

    1

    PTFE

    PTFE

    PTFE

    19

    Middle Packing

    1set

    PTFE

    PTFE

    PTFE

    20

    Top Packing

    1

    PTFE

    PTFE

    PTFE

    21

    Packing Gland

    1

    WCB

    CF8

    CF8M

    22

    Nut

    2

    35

    304

    304

    23

    Top Stem

    1

    20Cr13

    304

    316

     

    Product Type:
    DN25~DN250(1”~10”) Wafer,Flange
    DN300~DN500(12”~20”) Flange
    DIN PN10, PN16, PN25, PN40, PN63
    ANSI 150, ANSI 300, ANSI 600


    Design Standards
    1.Flange Standards: GB/T 9113.1-2010, JB/T 79.1-1994, HG 20592-2009, ASME B16.5 EN 1092-1:2001
    2.Pressure-temperature Ratings: GB/T 12224-2007, ASME B16.34-2003 ISO 7005-1
    3.Face-to-face Dimension Standards: 
    Wafer: Enterprise Standards
    Flange: ISA S75.04-1995, IEC/DIN 534-3-2
    4.Temperature Range:
    -29℃-150℃ Normal temperature
    -29℃-250℃ Medium temperature
    -29℃-350℃ High temperature
    5.Sealing and Strength Test Standards: GB/T 4213-2007
    Metal sealing ratings: According to the following table if no request from customer, otherwise, according to GB/T 4213-2007 V standards.
    Pressure of strength test is 1.5 times nominal pressure, and sealing test of packing and flange is 1.1 times nominal pressure, seat sealing is tested by the maximum using pressure difference. If the maximum using pressure difference is not clear, it should be tested by 1.0MPa water pressure. If the maximum using pressure difference is less than 0.6MPa, it should be tested by 0.6MPa, and the fluid should be the water with scale and corrosion inhibitor.


    Maximum Allowable Leakage of Seat
    Soft Sealing Seat: 0.6Mpa compressed air without leakage

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Address: No.1 Yousheng Road, Beiqiao Town, Xiangcheng District, Suzhou, Jiangsu, P.R.C.
E-mail: rick.huang@cn-lov.com

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