Structures: 1, tow balancedvalve bases to increase the area of flux and acquire large amount of water discharged.
结构特点：1、采用平衡双阀座系统，加倍增大流量面积、获得特大排水量。
2
The United States VTON Granville shield imported pneumatic multi-stage step-down regulator valve, using the sleeve guide, pressure balancedvalve.
美国VTON威盾进口气动多级式降压调节阀，采用套筒导向，压力平衡式阀芯。
3
To employ double balancedvalve seat design, it has smaller volume and larger displacement and can exert its advantages when needing large displacement.