阀门

As the sole agent of Smith Flow Control Ltd. who also belongs to Halma Group. We KXTEC is the sales and technology center and we can solve the operations which are dangerous or inconvenient among petroleum, gas, chemistry and other flow fields.

作为 Halma 集团的 Smith Flow Control公司全系列阀门联锁在中国的销售及技术服务中心，本公司能让石油、气体、化工及其它流体领域中的危险操作及操作不便等问题迎刃而解。

The TDV combines the functions of a positive hand-tight shutoff valve, check valve, and flow control valve into one versatile package, and eliminates the need to utilize three separate valves on the pump system.

系列TDV将绝对手动紧密关闭阀、止回阀和流量控制阀的功能组和在一个多功能的装置内，不需要在泵系统中采用三个独立的阀门。

Rimpull is the force which must be applied to the rim of the handwheel during operation of the valve.

边缘拉力是指在操作阀门时必须施加在手轮边缘的力。

This dimension must be at least twice the dimension from center line to handwheel.

这个尺寸必须至少为从阀门中心线至手轮距离长度的两倍。

The Stem Extension is made to accept the handwheel from the valve to which it is being attached.

所制造的阀杆加长件能够配合阀门上的手轮。

Replaces the handwheel on gear operators when a standard utility wrench is to be used for valve operation.

当在操作阀门时用一个标准通用的扳手在齿轮操作机构上替代手轮。

Center line of valve to handwheel 72 1829 mm

阀门中心线至手轮螺母的长度是72英寸(1829毫米)。

Removal of handwheel without affecting the position of valve.

手轮可拆卸，不影响阀门的开关位置。

To order, specify description and extension length from center line of valve to handwheel.

订购时，注明描述信息和从阀门中心线至手轮的加长长度尺寸。

To order, specify description and extension length from center line of valve to top of handwheel or nut.

订购时，注明描述信息和从阀门中心线至手轮顶部或螺母的加长长度尺寸。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。