YQ98004 type filter piston type slow closing check valve installed in the tap water factory and high-rise building water supply system, water supply system and other water pump outlet pipe, to prevent the media back, to prevent the emergence of the phenomenon of water hammer and the water hammer. A valve with electric valve, check valve and water hammer eliminator, can effectively improve the safety and reliability of water supply system.
Note: parameters are for reference only, or are not full. Valve can be used in accordance with the requirements of different pressure, material, diameter, drive, etc.. Specific please contact or online advisory contact.

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1、公称压力：1.0Mpa、1.6 Mpa、2.5 Mpa
2、最低动作压力：≥0.04 Mpa
3、缓闭时间：3~60s（可调）
4、介质温度：0~80℃
5、适用介质：水

公称压力PN(MPa)	1.6	2.5
公称通径DN(mm)	40～1200
强度试验压力(MPa)	2.40	3.75
密封试验压力(MPa)	1.76	2.75
整定压力范围	0.1～1.44(MPa)	0.1～2.20(MPa)
适用温度	0～100℃
环境温度	－30～350℃
适用介质	水

 1、消除水锤效果好。将缓开、速闭消除水锤的技术原理一体化，防止开泵水锤和停泵水锤的产生。
 2、操作方便。只需操作水泵电机启闭按扭，阀门即按照水泵操作规程实现自动开闭。
 3、节能效果好。阀体采用了全通道流线型直流式设计，压力损失小、流量大、具体积小、重量轻