水液气电磁阀 ，DF-15

产品概述

DF-15水液气电磁阀是一款采用先导式膜片结构的通用型电磁阀，适用于水、液体、气体等多种介质的自动化控制。该产品通过电磁力驱动副阀实现主阀的快速启闭，具有响应灵敏、密封可靠的特点。阀体采用黄铜或铸铁材质，内部密封件为耐用的橡胶膜片，可适应0.03~0.8MPa的工作压差范围，介质温度支持0~75℃。其设计兼顾水平与倾斜安装（倾斜角≤30°），线圈防护等级满足常规工业环境需求。

The DF-15 water-liquid-gas solenoid valve is a versatile pilot-operated diaphragm valve designed for automated control of water, liquids, and gases. Its electromagnetic actuation mechanism ensures rapid opening/closing via a secondary pilot valve, offering responsive performance and reliable sealing. The valve body is constructed from brass or cast iron with durable rubber diaphragms, compatible with working pressure differentials of 0.03~0.8MPa and medium temperatures up to 75℃. The design supports both horizontal and inclined installation (≤30° tilt), with coil protection suitable for standard industrial environments.

技术特点

该电磁阀支持AC/DC多种电压（如AC220V/380V或DC24V/110V），功耗低（12W-15W），线圈温升控制在80℃以内。其结构采用介质流向标识设计，确保安装方向正确；响应时间短（通径≤50mm时启闭≤2秒），适用于需频繁动作的管路系统。产品对介质清洁度要求较低，但建议前置过滤器以延长使用寿命。

Technically, the valve supports multiple AC/DC voltages (e.g., AC220V/380V or DC24V/110V) with low power consumption (12W-15W) and coil temperature rise limited to 80℃. The flow-direction indicator ensures proper installation, while fast response time (≤2 seconds for diameters ≤50mm) suits high-frequency piping systems. Though tolerant to moderate介质杂质, a pre-installed filter is recommended for prolonged service life.

应用场景

DF-15广泛应用于暖通空调、水利工程、环保水处理及工业流体控制领域，如楼宇供水、太阳能设备管路、油路通断等场景。其常闭型设计在断电时自动切断介质，保障系统安全；常开型（可选）则适用于需保持常通状态的系统。

The DF-15 is widely used in HVAC, hydraulic engineering, environmental water treatment, and industrial fluid control, such as building water supply, solar equipment pipelines, and oil circuit switching. Its normally closed design automatically cuts off介质 during power failure for safety, while the optional normally open variant suits continuously open systems.

结构优势

主副阀分体结构降低了启闭所需压差，膜片式密封减少磨损；铜阀体耐腐蚀，法兰或螺纹连接（G1/2"至G2"）适配不同管径。线圈采用铁壳防护，允许电源波动±10%，适应不稳定电网环境。

The split main/pilot valve structure reduces required pressure differentials for operation, while the diaphragm seal minimizes wear. Brass construction resists corrosion, and flange/threaded connections (G1/2" to G2") fit diverse pipelines. The iron-cased coil tolerates ±10% voltage fluctuations for unstable grid conditions.

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