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DRQF-DN50

    DRQF-DN25~DN50
    Main technical parameters:
    ◆ applicable gas: urban gas (natural gas, artificial gas, liquefied petroleum gas, etc.)
    ◆ valve closing mode:
    1. Signal driven automatic valve closing (driving voltage ac220v pulse and DC24V pulse are optional)
    2. Close the valve manually
    ◆ valve body material: aluminum alloy
    ◆ nominal pressure: PN16 (flange)
    ◆ power consumption: clockwise < 20VA
    ◆ sealing material: NBR rubber. FKM rubber (order description required)
    ◆ valve closing time: less than 5 seconds
    ◆ maximum working pressure: 0.1mpa.0.4mpa (order description required)
    ◆ connection mode: flange connection or threaded connection
    ◆ lead wire length: > 1m
    ◆ valve opening mode: manual reset
    Normal operating conditions:
    ◆ atmospheric pressure 80 ~ 110kpa:
    ◆ ambient temperature: - 20 ℃ ~ + 60 ℃
    ◆ relative humidity of surrounding air: 5% ~ 90% (+ 25%):
    ◆ in zone 1 and zone 2 places containing class IIa and IIB explosive gas mixtures of T1 ~ T6 groups:
    ◆ where there is no significant shaking and impact vibration;