一、用途Application

用于标准气体钢瓶取样。Used for calibration gas cylinder sampling

二、适用介质Medium

氨气（NH3）、一氧化氮（NO）、

硫化氢（H2S）、二氧化硫（SO2）等腐蚀性气体。Corrosive gas : NH3, NO, H2S, SO2

三、参数Specification

四、使用方法How to use

1、取样阀手柄顺时旋转为关闭，逆时针旋转为打开。To clockwise the knob is to open.

2、把进气螺母与钢瓶联接，固紧，使联接部位不漏气。Please connect the thread with cylinder to make sure no gas leak.

3、使用时，先将取样阀处于关闭位置，再打开钢瓶阀门，然后缓慢打开取样阀至所需流量。Put the sampling valve into close state before use, open the cylinder valve, and then open the sampling valve slowly to the required flow rate.

4、停止使用时，应先关闭钢瓶阀门。取样阀不必关太紧。Close the cylinder valve at first before stop using. The sampling valve is no need to close tightly.