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;