查询词典 pressure valve

Vacuum valve types: solenoid valve, butterfly valve, valve, flashboard valve, damper valve, fine-tuning valve, ball valve vacuum, vacuum regulating valve and so on, were used to drive manual, electric, pneumatic, electro-magnetic action, etc., caliber from 0.8-1200, leakage rate from 6.7 10-2-1.3 10-7PaL / S, the application of temperature -30 ~+400 , apply pressure range 1 105-1 10-7Pa (low, high, ultra-high vacuum system), is widely used in aerospace, electronics, energy, environmental protection, food, machinery, refrigeration, medicine, scientific research and other fields, the vacuum in the domestic industries enjoy a high reputation.

真空阀门类：电磁阀、蝶阀、隔膜阀、插板阀、挡板阀、微调阀、真空球阀、真空调节阀等，驱动装置分别采用手动、电动、气动、电磁动等方式，口径从0.8-1200、漏率从6.7×10-2—1.3×10-7PaL/S，适用温度-30℃～+400℃，适用压力范围1×105—1×10-7Pa，广泛应用于航天、电子、能源、环保、食品、机械、制冷、医药、科研等各领域，在国内真空行业享有较高的声誉。

Safety valve is opened by the automatic import of hydrostatic pressure relief protection device, Balanced Bellows Safety Relief Valvess, Closed it is the pressure vessel, one of the most important security annex, which function is: When the container pressure exceeds a certain value, the pressure on media's own auto - Open the valve to quickly discharge a certain amount of media.

安全阀是一种由进口静压开启的自动泄压防护装置，它是压力容器最为重要的安全附件之一，它的功能是：当容器内压力超过某一定值时，依靠介质自身的压力自动开启阀门，迅速排出一定数量的介质。

Our company produce all kinds of high, medium and pressure series valve, valve, check valve, valve plate, high pressure oil wellhead equipment, slurry pipe sinks, cutting Meeting Series snubbing pipe, casing head and drilling accessories such as petroleum, chemical industry equipment.

公司主要生产经营各类高、中、压系列闸阀、截止阀、止回阀、平板阀门、高压采油井口装置，泥浆管汇、节流压井管汇系列、套管头及钻采配件等石油、化工行业专用设备。

Has developed high-temperature hard seal ball valve, high pressure forged steel ball valve, double eccentric semi-ball valve, V-ball valve, full welded ball valve Buried, dedicated coal ball valve, as well as the American Standard valve, check valve, shut-off valves, filters, valves, flat gate valve series of high-tech products.

先后研制开发出高温硬密封球阀、高压锻钢球阀、双偏心半球阀、V型球阀、全焊接埋地式球阀、煤粉专用球阀，以及美标闸阀、止回阀、截止阀、过滤器、蝶阀、平板闸阀等一系列高新产品。

HVAC piping design with valve selection 1, chiller plant, cooling water between inlet valve design; 2, before the butterfly pumps, filters, pumps after the check valve, butterfly valve; 3, sets, water separator pressure differential between the bypass valve; 4, set, divider into the returning pipe valve 5, the level of dry pipe valve; 6, valve air handling units, filters, electric two-pass or three-way valve 7, fan coil valve (or plus electric two-way valve) Note: The valve is typically used when the diameter is less than 150mm used Handle Butterfly Valve (D71X, D41X); diameter greater than 150mm used worm drive butterfly (D371X, D341X).

暖通空调管道用阀门的选型设计 1、冷冻水机组、冷却水进出口设计蝶阀； 2、水泵前蝶阀、过滤器，闸门水泵后止回阀、蝶阀； 3、集、分水器之间压差旁通阀； 4、集、分水器进、回水管蝶阀 5、水平干管蝶阀； 6、空气处理机组闸阀、过滤器、电动二通或三通阀 7、风机盘管闸阀注：一般采用蝶阀时，口径小于150mm时采用手柄式蝶阀（D71X、D41X）；口径大于150mm时采用蜗轮传动式蝶阀（D371X、D341X）。

Then, according to HVS, the vibrant valve is designed. On the basis of coupling analysis and simulation study of the vibrant valve and the release valve, the simulation curve about the fluid pressure variation in the pile-driving oil pipe is obtained, by which the relationships among the highest pressure value, average pressure value and the pile-driving frequency are obtained.

然后根据液压振动系统设计了振动开关阀，并重点对液压振动系统中的溢流阀和振动开关阀进行了耦合分析和仿真研究，得出压桩油路中流体压力变化的模拟曲线，并根据模拟曲线分析得出流体压力的最高压力值、平均压力值和压桩频率间的相互关系。

The space between the frangible disc and the pressure relief valve shall be provided with a vent valve, pressure gauge or suitable tell-tale indicator for the detection of disc rupture, leakage, and release the accumulated pressure between the space to prevent the pressure affect to it's setting pressure.

安全阀与爆破片之间的腔体应设置排气阀、压力表或其他合适的指示器等，用以检查爆破片是否渗漏或破裂，并及时排放腔体内蓄积的压力，避免因背压而影响爆破片的爆破压力。

As the "Hydraulic safety Closed Spring Loaded Low Lift Type-High Pressure Safety Valve valve," has two levels pressure relief function and pressure from low to high pressure limiting function; with limited pressure relief and anti-corrosion properties of good stability and reliability advantages of the patented product may greatly enhance and expand power systems and hydraulic equipment hydraulic mine support equipment, quality and performance.

由于&气动液压安全阀&具备二个级别卸压功能和从低到超高压力的限压功能；具备限压卸压稳定可靠和防腐性能好的优点，本专利产品可极大地提升和拓展液压动力系统和液压设备矿井支护设备的品质和性能。

The standard flow channel valve can be used: the United States NIBCO T-580-70 Valve; S-580-70 Valve (2), available to full-flow channel valve indented Path: The United States NIBCO T-585-70 Valve; S-585-70 Valve 2, check valve: Path DN65 valve should be used the following Swing Y-shaped structure, and in accordance with the United States valves and pipe fittings Manufacturers Standardization Society MSS-SP80 standards of manufacture, working pressure 125 lbs class, in line with the United States Society for Testing and Materials Standard Bronze ASTMB62 valve, configuration, Teflon flap valve seat, or seat configuration flexibility of the spring-driven lift-type check valve.

可采用的标准流道阀门：美国尼伯科T-580-70球阀；S-580-70球阀（2）、可采用的不缩径全流道阀门：美国尼伯科T-585-70球阀；S-585-70球阀 2、止回阀：通径DN65以下的止回阀应该采用Y形旋启式结构，并按照美国阀门和管件制造商标准化协会MSS-SP80标准制造，工作压力125磅级，符合美国材料试验协会ASTMB62标准的青铜阀体，配置聚四氟乙烯阀座阀瓣，或配置弹性阀座的弹簧驱动升降式止回阀。

Summary : Pressure relief valve and pressure reducing valve sometimes adjust to press out of order in the usage process , this is mainly because of block of damp finestra of the valve element or pilot valve .

溢流阀，减压阀这两种压力控制元件在液压设备中用处很广泛，溢流阀作用是调节系统压力，减压阀作用是减少某一支路的压力。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。