CLA-VAL（可拉伐）航空地面加油控制阀技术要点如下:
50 Series Back Pressure Control
Valve/50系列（50-48）背压控制阀参数:
? Opens rapidly for maximum
relief protection
? Maintains constant upstream pressure to close limits, and
maintains preｓｅｌｅｃｔed pressure
during periods of low demand
? Controls surge created by the starting of a pump
? Modulates to maintain constant back pressure
? No packing glands assure leak-proof service
? No lubrication required
? Tight sealing single seat
详情请咨询中国区授权指定一级总代理商--深圳市科万德机电设备有限公司
