Double Offset Butterfly Valve

Product Overview

ZT supplies bi-directional double offset butterfly valves with PTFE seats. The low friction and low operation torque both contributes to a longer life design. All the parts are replacable and in-line maintenance is available. ZT double offset butterfly valves comply to API609 standard.

  • Size range(s)
    NPS 2 ¨C 120
    Pressure rating
    ASME Classes 150 ¨C600

Features and benefits

  • Design Features
    End connection: Wafer, Lug, RF
    Operation: Lever,Gear,Pneumatic,Electric, Hydraulic

  • Design Standard
    Design & manufacture according to API 609, AWWA C504, ASME B16.34
    Face-to-face according to API 609, ASME B16.10
    End Connection according to ASME B16.5 (RF, RTJ), ASME B16.47 (RF,RTJ), MSS SP-44 (NPS 22 Only), ASME B16.25 (BW), AWWA A207
    Test & inspection according to API 598

  • Product Catalogs
    API 609 Butterfly Valve
     Document code: ZT-BUV-2022

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