止回阀

Currently, domestic production has successfully developed a PWR Island Grade Ⅰ electric valve, check valve; Nuclear Grade Ⅰ electric bellows globe valve, fast breeder reactor using nuclear electric bellows Ⅱ grade cut-off valves with sodium high level of nuclear valves.

目前，国内已成功研制生产了压水堆核岛核Ⅰ级电动闸阀、止回阀；核Ⅰ级电动波纹管截止阀、快中子增殖反应堆用核Ⅱ级电动波纹管钠截止阀等具有较高水平的核级阀门。

Ball. valve. non-return valve, bellows seal valve, etc......

球阀。闸阀。止回阀、波纹管密封截止阀等。。。。。

Upper frame), the output pressure signal of this valve holds the single-acting cylinder pos.

通过操作三通阀22，此阀的输出压力信号保持单作用气缸21在停止位置通过双向止回阀72-1和快速泄放阀41。

TWT is capable of and has the facilities to design and manufacture butterly valves,gate valves,check valves,hydraulic auto control valves ,shut-off valves, ball valves,exhaust valves,square gate valves,round gate valves,stainer,and pipeline accessories ranging from DN15-DN3000 at pressure rating from 0.05 to 6.4Mpa .

我公司具有设计、制造压力0.05-6.4Mpa，通径DN15-DN3000的各类蝶阀、闸阀、止回阀、水力自动控制阀、截止阀、球阀、排气阀、方闸、圆闸、过滤器、管道附件等产品能力，产品品种规格达2000余种。

The test kit contains three segments of durable shatterproof tubing, two brass adaptors used to assemble the three tubing segments, and test hardware to enable testing of Series 7 check modules and standard double checks.

这种检测组件包括三段耐用的抗震管子，两个黄铜适配器用于组装三段管子，以及能够检测系列7止回模块和标准双止回阀的检测五金件。

Through the American BoardìQuality Assessment Group Inc. ISO9001: 2000 quality system certification, the American Petroleum Institute API 6D product quality authentication and API 607 fire test, and obtain the certificate; companies on their use of domestic and foreign advanced valve design manufacturing technology, all aided design using AutoCAD, with a number of CNC machine tools, diving Valve pressure test the whole equipment and flying spray paint bake operation transmission line represented by a full set of high-performance processing, testing and coating equipment, according to GB, JB, HG, SH, API, DIN, JIS, BS standards, professional manufacture of "KTZ" brand ball valve, gate valve, valve, check valve, safety valve and various non-standard valves, an annual output of various category of high and medium pressure valve 5000 million yuan.

公司通过了美国船检局集团质量评估公司ISO9001：2000质量体系认证、美国石油协会API 6D产品质量认证及API 607防火试验，并获得证书；公司运用国内、外先进的阀门设计制造技术，全部采用AutoCAD辅助设计，拥有一批以数控加工机床、潜水式阀门整体试压设备和悬挂输送油漆喷烘作业线为代表的全套高性能加工、检测和涂装设备，按GB、JB、HG、SH、API、DIN、JIS、BS等标准，专业制造&KTZ&牌球阀、闸阀、截止阀、止回阀、安全阀及各种非标准阀门，年产各类高中压阀门5000余万元。

Foot Valve Conversion –Foot valve screen housing assemblies are available to convert ball check valves to foot valves in the field.

底阀连接–可提供底阀滤网壳组件在现场将球形止回阀转换为底阀。

Velan is one of the world's leading manufacturers of industrial valves, supplying forged and cast steel gate, globe, check, ball, butterfly, knife gate and engineered severe service valves for critical applications in power, chemical and petrochemical, oil and gas, pulp and paper, mining, marine, cryogenic and general construction industries.

Velan是世界工业阀门行业主要的制造商之一，提供锻钢和铸钢闸阀、截止阀、止回阀、球阀、蝶阀、刀闸阀和适用于关键部位的工作强度繁重的工程阀门，适用于电力、化工和石化、油气、纸浆和造纸、矿业、船舶、低温和普通建筑行业。

Removable seat preference should be given, because they are easy maintenance, and easy to replace the valve seals Swing check valves should be used one kind of screws or bolts to connect the valve cap for inspection and repair of disc and seat.

可拆卸的阀座应优先选用，因为它们容易维修，而且便于更换阀中的密封件旋启式止回阀应该选用一种螺丝或螺栓连接的阀帽，以便检查和修理阀瓣和阀座。

Germany TOP import plug valves categories: flange plug valves, stainless steel plug valves, cast steel plug valves, lined plug valves, plug valves turbine gate, pressure gauge plug valves, plug valves insulation.

德国TOP进口水力控制阀类：多功能水泵控制阀、多功能持压/泄压阀、多功能遥控浮球阀、缓闭式止回阀、流量控制阀、活塞式可调减压稳压阀、活塞式安全/泄压阀。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了