查询词典 clapper valve

The main products are: gate valve, globe valve, check valve, filter, ball valve, bellows globe valve Trigonella brand malleable economy HSG, HG, HSS, HS, HSC, HC, HSCS, HST, DB2 Trigonella card malleable standard D10G, D20G, D10S, BD10D, BD10

主要产品有：闸阀、截止阀、止回阀、过滤器、球阀、波纹管截止阀胡芦牌玛钢经济型HSG、HG、HSS、HS、HSC、HC、HSCS、HST、DB2胡芦牌玛钢标准型D10G、D20G、D10S、BD10D、BD10L、D10C、D10T。

First, full-tetrafluoroethane Yixi F4 corrosion-resistant face-off valve folder, Valve structure for the separated, the use of F4 will be lining circle Valve package lining, the lining between the ring and the valve used to do back high-elastic rubber lining, Lining laps and a spherical valve plate sealed disc for the whole package tetrafluoroethane sealed structure.

产品说明书一、全聚四氟乙稀F4耐腐蚀球面对夹蝶阀，阀体结构为分体式，其使用F4衬圈将阀体包衬，衬圈和阀体之间采用高弹橡胶做靠背衬，衬圈和阀板采用球面密封，阀板为全包四氟密封结构。

Main production: Sanitary Ware, Pipe industry, Pipe Fittings, Ball valve, check valve, floating ball valve, tap valve, flushing valve, Cars, all kinds of rubber accessories.

主要生产：洁具、管界、管件、闸阀球阀、止回阀、浮球阀、水嘴阀门、冲水阀、汽车摩托车各种橡胶配件。

Urban systems generally use a large number of low-pressure valves, and to the development of environment-friendly and energy-sing, that is used in the past low-voltage iron gate valve and gradually turn to environment-friendly plastic sheet valve, balance valve, metal sealed butterfly valve and the transition of the center line butterfly valve seal .

城建系统一般采用大量低压阀门，并且向环保型和节能型发展，即由过去使用的低压铁制闸阀逐步转向环保型的胶板阀、平衡阀、金属密封蝶阀及中线密封蝶阀过渡。

However, mechanical prosthetic valve has poor biocompatibility, and biological valve is easy to degrade and to be damaged. People have studied a new material to make valve. Giant molecule materials-made no-stent bio-mitral valve with chordae tendineae is similar to normal valve.

生物瓣具有血流动力学性能优秀，不需终生抗凝等优点，但机械瓣的生物相容性较差、生物瓣易退化损坏等问题，使人们开始对新的瓣膜制作材料进行研究，使用高分子材料制成的无支架带腱索生物二尖瓣与自然瓣膜相似，可维持人体二尖瓣生理功能、左室几何形状和血流动力学。

Also we may design the valve group for the distributor of the motor,like with balancing valve,high-pressured shuttle valve,velocity modulation cross valve or other performance valve groups.

摘要本设计是通过对液压绞车工作原理、工作的环境和工作的特点进行分析，并结合实际，在进行细致观察后，对液压绞车的整体结构进行了设计，对组成的各元件进行了选型、计算和校核。

Distribution of Direct Drive Type Solenoid Valve The distribution of direct-action solenoid valve works: it is a direct-acting and pilot-style combination of theory, when the entrances and exits when there is no differential pressure, electricity, the electromagnetic force directly to the pilot valve and main valve off small pieces turn up raised, the valve opens.

分布直动式电磁阀分布直动式电磁阀的工作原理：它是一种直动和先导式相结合的原理，当入口与出口没有压差时，通电后，电磁力直接把先导小阀和主阀关闭件依次向上提起，阀门打开。

Distribution of Direct Drive Type Solenoid Valve The distribution of direct-action solenoid valve works: it is a direct-acting and pilot-style combination of theory, when the entrances and exits when there is no differential pressure,气动阀, electricity, the electromagnetic force directly to the pilot valve and main valve off small pieces turn up raised, the valve opens.

分布直动式电磁阀分布直动式电磁阀的工作原理：它是一种直动和先导式相结合的原理，当入口与出口没有压差时，通电后，电磁力直接把先导小阀和主阀关闭件依次向上提起，排气阀，阀门打开。

Spring-loaded safety valve: 1 - guards; 2 - wrenches; 3 - Lo-conditioning units; 4 - valve cover; 5 - Spring on the Block; 6 - spring; 7 - stem 8 - Spring Block; 9 - Block-oriented; 10 - recoil disk; 11 - valve; 12 - positioning screw; 13 - conditioning sets of 14 - the valve seat; 15 - Qian Feng, 16 - Valve.

弹簧式安全阀：1—保护罩；2—扳手；3—调节螺套；4—阀盖；5—上弹簧座；6—弹簧；7—阀杆；8—下弹簧座；9—导向座；10—反冲盘；11—阀瓣；12—定位螺杆；13—调节套；14—阀座；15—铅封；16—阀体。

The theoretical foundation for further research is established. In chapter 6, the flow field of poppet valve and spool valve which are two kinds valve frequently used in hydraulic technique are predicated by finite element method. The flow field structure at different valve opening are illustrated by visualizing images. The effect on the flow noise and energy loss probably caused by vortexes is analyzed quantitatively, the flow channel of the valve is improved.

第六章用有限元方法对液压传动与控制中最常见的两种结构形式的液压阀—液压滑阀和液压锥阀流场进行数值预报，给出不同开口度和不同结构尺寸下流场结构的可视化图像，定性分析涡旋的产生对流体噪声及能量损失可能产生的影响，并对阀的流道结构进行改进。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。