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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 ? Wafer Butterfly Valve
    Semi PTFE-lined Butterfly Valve1
    Semi PTFE-lined Butterfly Valve2
    Semi PTFE-lined Butterfly Valve3
    Semi PTFE-lined Butterfly Valve4
    Semi PTFE-lined Butterfly Valve1 Semi PTFE-lined Butterfly Valve2 Semi PTFE-lined Butterfly Valve3 Semi PTFE-lined Butterfly Valve4

    Semi PTFE-lined Butterfly Valve

    【Size Range】: 2~8"(DN50~DN200)

    【Pressure】: PN10, PN16, Class125

    【Body Materials】: Cast Iron, Ductile Iron

    【Seat Materials】: NBR, EPDM

    【Disc Materials】: Ductile Iron, WCB, CF8,CF8M, Al-bronze C958

    【Stem Materials】: SS416, SS304, SS316


    Soft backed EPDM seat wafer butterfly valve Features

    24 months guarantee

    Zero Leakage


    Low Torque,long life cycle

    360°polished disc assures positive on-off

    Epoxy coated body,smooth surface

    Various kinds of materials,applicable to different medium

    Adoptive Standards

    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 length of the short structure can save raw materials and installation space, and also effectively support the strength of the pipeline

    2、The valve block is the correct movement of the gate, extrusion fast, to ensure effective sealing valve

    3、Triangle support material, guarantee the required mechanical properties

    4、According to different working conditions demand design V, triangle, or five corners and other ports, in order to meet the needs of various flow regulation

    5、No groove at the bottom to make sure no slag and full bore flow

    6、Bundor valve strict implementation of the API598 experimental standard, for each product to implement 100% positive and negative double pressure test, guarantee delivery to customers is 100% qualified products

    7、Bundor Group dedicated to the dedication of the valve for 23 years, with professional production, sales, research and after-sales team,we are your strong backing.

    Standard Test

    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.


    SIZE A B C L JI8 5K JI8 10K ISO 5211 Top
    mm in øK N-ød øK N-ød øD øD1 N-øG
    50 2" 76 140 32 43 105 4-ø15 120 4-ø19 65 50 4-ø8 F05 9X9
    65 2½" 85 152 32 46 130 4-ø15 140 4-ø19 65 50 4-ø8 F05 9X9
    80 3" 95 157 32 46 145 8-ø19 150 8-ø19 65 50 4-ø8 F05 9X9
    100 4" 110 176 32 52 165 8-ø19 175 8-ø19 90 70 4-ø10 F07 11X11
    125 5" 125 191 32 56 200 8-ø19 210 8-ø23 90 70 4-ø10 F07 14X14
    150 6" 139 202 32 56 230 8-ø19 240 8-ø23 90 70 4-ø10 F07 14X14
    200 8" 175 243 45 60 280 8-ø23 290 12-ø23 125 102 4-ø12 F10 17X17
    250 10" 203 283 45 68 345 12-ø23 355 12-ø25 125 102 4-ø12 F10 22X22
    300 12" 238 322 45 78 390 12-ø23 400 16-ø25 125 102 4-ø12 F10 22X22


    Aluminium Handle Wafer Butterfly Valve

    Pinless Disc Butterfly Valve

    Wafer Type Butterfly Valve

    Pneumatic Flanged Butterfly Valve

    Motorized Flanged Butterfly Valve

    Electric Butterfly Valve

    PTFE Lined Wafer Butterfly Valve

    Stainless Steel Wafer Butterfly Valve

    Semi PTFE-lined Butterfly Valve



    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.