一、概述

1.两用气动快关阀适用于船舶管路系统。平时，可作为普通截止阀使用，而且可以如普通截止阀一样用手轮开闭。紧急情况下，能以手动和气动两种方式产生应急动作。与快关阀控制箱配套使用时，其应急动作可以进行远距离集中控制。

Dual-purpose pneumatic quick-closing valve is designed to be used in marine piping systems. The valve can be used asordinary shut off valve in normal time. Moreover ,it can be opened and closed by a hand wheel just like an ordinary shut off valve .In case of emergency ,emergency action can be made either manually or pneumatically to cause the valve to be closed immediately.The emergeney action can be remote and central controled,if the control box for the quick- closing valve is used.

二、主要技术指标

三、型号表示

四、结构尺寸