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  • Email:sales@bundor.com    |   Tel: +86 150 0225 9955   |   Wechat: Bundor_marketing   |    Skype: +86 150 0225 9955

    Home ? Products ? Butterfly Valve ? Flanged Butterfly Valve
    Lever Operated Flange Butterfly Valve1
    Lever Operated Flange Butterfly Valve2
    Lever Operated Flange Butterfly Valve3
    Lever Operated Flange Butterfly Valve4
    Lever Operated Flange Butterfly Valve1 Lever Operated Flange Butterfly Valve2 Lever Operated Flange Butterfly Valve3 Lever Operated Flange Butterfly Valve4

    Lever Operated Flange Butterfly Valve

    【Size Range】: 2''-8''/DN50-DN200

    【Pressure】: 5K/10K/150LB

    【Body Materials】: CI/DI/WCB/CF3/ CF3M/CF8/ CF8M

    【Seat Materials】: NBR/EPDM/PTFE/SI

    【Disc Materials】: DI/WCB/CF3/ CF3M/CF8/CF8M/ C954

    【Stem Materials】: 45#/410/ 2Cr13/Cr13/304/316stainless steel



    Lever operated flange butterfly valve:
    Single Eccentric Disc-Shaft
    Anti-Blow Out Stem
    Fire safe Design
    Low Friction Body Seat
    Zero Leakage

    Adoptive Standards:

    Lever operated flange butterfly valve:
    Valve Design: API 609, MSS SP-67
    Face To Face: API 609, MSS SP-67, DIN3202, BS EN558-1
    Pressure Test: API 598
    Flange Drilling: ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16
    Top Flange: ISO5211

    Product Advantage:

    1.The valve body and disc is all adopted QT450-10 material, the ball rate is above grade 3, the mechanical performance is fully up to standard, the tensile strength is 450Mpa, and the elongation rate is more than 10%. It is not easy to crack or freeze.

    2.The valve body is solid body, the same caliber weight is heavier than other manufacturers.

    3.The electric device is compact and beautiful in appearance, with a volume weight equivalent to only 1/3 of that of similar products, a large reduction in required space, light weight, and easy installation.

    4.Seat uses standard EPDM rubber, making the butterfly valve's resilience and tension super stable and reliable, opening and closing more than 10,000 times without leakage.

    5.The valve body uses an electrostatic powder thermal spraying process with a spray thickness of 250μm. The valve body is heated at 200°C for 3 hours, and the powder is cured at 180°C for 2 hours. After natural cooling, the surface adhesion is increased by 2 times than that of the ordinary powder, making it more environmentally friendly and weatherproof. Higher, to ensure that the valve body is not discolored for 36 months.

    6.Introducing the PE heat-shrinking plastic packaging technology of electronic products. Each of the products of Bundor is individually wrapped with a heat-shrinkable film and has a built-in desiccant. The air dust is isolated to facilitate storage and avoid corrosion caused by moisture.

    7.Every Bundor product has its own two-dimensional code identification from the accessories to the finished product, the unique ID number, to ensure that the product can be traced.

    8.The Gende intelligent detection equipment integrates standard data measurement and pressure detection. Each inspection report is automatically generated. Each data and report is saved for 5 years, ensuring that the factory qualification rate reaches 100%.

    9.Bundor brand products are underwritten by Pacific Insurance Company with 10 million quality. The warranty is 2 years. Pay two back if one bad within two years. The quality of the product is unconditional.

    Standard Test:

    Lever operated flange butterfly valve
    Body Test: 1.5 times the working pressure with water. This test is performed after valve assembly and with disc in half position open, it is called as a body hydro test.
    Seat Test: 1.1 times the working pressure with water.
    Function / Operation Test: At the time of final inspection, each valve and its actuator (Flow-Control Lever / Gear / Pneumatic Actuator), under goes a complete operating test (Open/Close). This test carried out without pressure and at ambient temperature. It ensures the correct operation of the valve / actuator assembly with accessories such as solenoid valve, limit switches, air filter regulator etc.
    Special Test: On request, any other test can be carried out according to special instruction by client.


    DN NPS(inch) A B C L
    DN50 2" 69.5 126.5 32 108
    DN65 2.5" 72 136 32 112
    DN80 3" 88 146 32 114
    DN100 4" 96.5 158 32 127
    DN125 5" 115 179 32 140
    DN150 6" 126 197 32 140
    DN200 8" 161 230 45 152


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    No.37 Puhui Road,Beizhakou Economic Development Zone, Tianjin City, China PR

    Contact us now if you have any questions about our company and products.We will retain your information completely private.