查询词典 valve seat

Adopt the round activity valve seat,seal the surface and weld and set up the hard alloy very much with the department,go into stress heat treatment,make it when run under the reversal operating mode of the hot stress,sealing the surfacedoes not produce full of crackswith the crackly.

采用了圆形的活动阀座，密封面焊以司太立硬质合金，并经去应力热处理，从而使之在热应力交变工况下运行时，密封面不产生龟裂和裂纹。

Stellite takes a high polish and is used in steel valve seat rings.

钨铬钴合金可以进行高度抛光，可用于钢阀门的密封环。

Combined with new tendency and practice in internal combustion engine industry at home and abroad in recent years,this paper suggests that machining cone of intake and exhaust valve seat insert and guide tube hole is the key technique in machining complicated cylider-head.

结合近年来国内外内燃机行业发展的新趋势和工作实践，对结构复杂的气缸盖机械加工提出了进、排气门座圈锥面与导管孔的加工是其工艺技术关键，从定位方式、基准选择、气门座底孔与导管孔底孔的加工，气门座圈锥面加工方式和导管孔的加工方式等方面进行了探讨和分析。

Gate of shortcomings:(1) easy to damage the sealing when the damper open and close the valve seat in contact with the two relative friction between the seal and easy to damage, which affects seals with the life and maintenance more difficult.

闸阀的缺点：(1)密封面易损伤启闭时闸板与阀座相接触的两密封而之间有相对摩擦，易损伤，影响密封件能与使用寿命，维修比较困难。

Gate of shortcomings:(1) easy to damage the sealing surface when the damper open and close the valve seat in contact with the two relative friction between the seal and easy to damage, which affects seals with the life and maintenance more difficult.

闸阀的缺点：(1)密封面易损伤启闭时闸板与阀座相接触的两密封而之间有相对摩擦，易损伤，影响密封件能与使用寿命，维修比较困难。

For high-speed flow of medium, open the gate in local conditions can cause the vibration Cast Gate, Globe, Check Valves of the gate, but they may damage the vibration damper and the valve seat sealing surface, while the throttling damper will suffer erosion of the medium.

对于高速流动的介质，闸板在局部开启状况下可以引起闸门的振动，而振动又可能损伤闸板和阀座的密封面，而节流会使闸板遭受介质的冲蚀。

The door-shaped cut-off: Turn off the pieces move along the valve seat center.

截门形：关闭件沿着阀座中心移动。

Free float steam trap at a level below the total of the valve seat to form a water seal, no steam leakage, energy-saving effect is good.

自由浮球式疏水阀的阀座总处于液位以下，形成水封，无蒸汽泄漏，节能效果好。

Free ball float type steam trap valve seat total in the level below, forming a water seal, no steam leakage, energy saving effect is good.

自由浮球式疏水阀的阀座总处于液位以下，形成水封，无蒸汽泄漏，节能效果好。

Due to the fact that the valve seat hole of free-ball float trap is always below the level of condensed water, ultimately formed water seal that separated water and steam in a natural way, therefore, there should be in no circumstance of leakage of steam during operation of the equipment.

由于自由浮球式疏水阀的阀座孔总处于凝结水液位以下，形成水封，水汽自然分离，工作时达到无蒸汽泄漏。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。