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- double seal valve 双密封阀
- Its structure is simple and reliable, adopting metal seal valve, having fairly high cutting capability and seal property, adn flow -thru two -way. 它结构简单;可靠;采用金属密封座;具有较高的剪切力和密封性能;并可双向流通.
- The pot cover has applied double sealing. 锅盖采用双道密封。
- MATERIAL AND SERVICE ? Pressure Seal valves are available in a variety of body/bonnet materials and trims. Specified materials should be compatible with the service. 材料和应用?压力密封阀门具有宽广范围的阀体/阀帽材料和阀内件供用户选择。特殊的材料应该与应用场合相兼容。
- Design, Development, Production and Service for sealed Diaphragm valve, Bellows sealed valve, Regulator. 公司简介:密闭式金属隔膜截止阀波纹管阀减压器的设计开发生产及服务。
- Introducing the structure design,working principle and performance of double sealed guide valves. 介绍了双密封导轨阀的结构设计、工作原理与性能特点。
- The upper chamber on each side is called the atrium.This is connected via a sealing valve to the larger, more powerful lower chamber, or ventricle. 两侧的上腔室被称为心房，并通过一个密封瓣膜连接到更大更有力的下腔室（或称为心室）。
- There are double seals for ball baring unit and it is normally pre-greased for working in the condition of dust, slob and causticity. 带座外球面轴承一般为预填装润滑脂，采用双层密封形式，适合在粉尘、泥水、腐蚀性介质的场合内使用，利于主机工作。
- JGD-E Rubber seal valve base JGD-F Rubber flange gland bush JGD-E型橡胶密封阀座
- S.Navy.Velan Inc., pioneered many designs which became industry standards, including bellows seal valves, all stainless steel knife gate valves and forged valves up to 24" (600 mm). Velan在许多方面的创新已经成为行业标准，包括波纹管密封阀门，所有不锈钢刀闸阀和通径达DN600的锻造阀门。
- Insert ball bearing unit is consisted of a double sealed, single row bearing and one of various types of housings (cast iron or stamping steel housing). 带座外球面球轴承由一个双面密封且外圈具有球形外截面的宽内圈深沟球轴承和一个轴承座(铸铁座或钢板冲压座)两部分组成。
- This paper introduces the requirements of design, different construct ion for bellow sealed valve,also introduces some key points when design bellow sealed valve. 介绍了波纹管阀门的设计要求,波纹管选用时的考虑因素,并介绍了波纹管阀门的几种结构和设计时应注意的问题。
- Application of Dry Gas Double Seal for Hydrogen Compressor 双端面干气密封在氢压机上的应用
- Application of Liquid-filled Double Seal in Floating Roof Tank 充液式双重密封在浮顶罐中的应用
- Several Features About Semi-module and Double Seal Air Preheater 浅谈半模式双密封空气预热器的几个特点
- Life Cycle Test Equipment for Bellows Seal Valves 用于波纹管密封阀门的寿命周期测试设备
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- Table of Content of Pacific Pressure Seal Valves 美国太平洋压力密封阀门目录
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Gate and Globe Bellows Seal Valves 波纹管密封闸阀和截止阀
