閥門(mén)是石油、化工、電站、長(zhǎng)輸管道、造船、核工業(yè)、各種低溫工程和海洋石油生產(chǎn)不可缺少的流體控制設(shè)備。經(jīng)過(guò)多年的發(fā)展，我國(guó)閥門(mén)企業(yè)數(shù)量居世界前列，各類(lèi)規(guī)模閥門(mén)企業(yè)6000多家，其中年產(chǎn)值500多萬(wàn)元的閥門(mén)企業(yè)900多家。

　　Valves are essential fluid control equipment in petroleum, chemical, power plant, long-distance pipeline, shipbuilding, nuclear industry, various low-temperature engineering, and offshore oil production. After years of development, the number of valve enterprises in China ranks among the top in the world, with over 6000 valve enterprises of various scales, including more than 900 valve enterprises with an annual output value of over 5 million yuan.

　　在我國(guó)目前的閥門(mén)市場(chǎng)上，除了低壓閥門(mén)達(dá)到國(guó)際市場(chǎng)可接受的水平外，高壓閥門(mén)還需要進(jìn)口。在宏觀經(jīng)濟(jì)持續(xù)樂(lè)觀的情況下，閥門(mén)行業(yè)大多數(shù)企業(yè)的產(chǎn)銷(xiāo)指標(biāo)保持了快速增長(zhǎng)。然而，受金融的影響，該行業(yè)的銷(xiāo)售收入和利潤(rùn)較去年同期大幅下降。隨著世界經(jīng)濟(jì)的復(fù)蘇，我國(guó)閥門(mén)產(chǎn)品的進(jìn)出口也有所增加。然而，好的技術(shù)與國(guó)外制造商相比仍有很大差距。未來(lái)，產(chǎn)品技術(shù)將成為制約我國(guó)閥門(mén)產(chǎn)品發(fā)展的瓶頸。

　　In the current valve market in our country, in addition to low-pressure valves reaching an acceptable level in the international market, high-pressure valves also need to be imported. In the context of sustained macroeconomic optimism, the production and sales indicators of most enterprises in the valve industry have maintained rapid growth. However, due to the impact of finance, the sales revenue and profits of this industry have significantly decreased compared to the same period last year. With the recovery of the world economy, the import and export of valve products in China have also increased. However, there is still a significant gap between good technology and foreign manufacturers. In the future, product technology will become a bottleneck restricting the development of valve products in China.

　　在產(chǎn)品方面，我國(guó)閥門(mén)行業(yè)已能生產(chǎn)閘閥、截止閥、止回閥、球閥、安全閥、減壓閥、針閥、調(diào)節(jié)閥、隔膜閥、蝶閥、電磁閥、疏水閥、柱塞閥、旋塞閥、鍛鋼閥等十多類(lèi)產(chǎn)品，針閥、儀表閥、液位計(jì)、流量計(jì)、排氣閥、阻火器、刀閘閥、泥漿閥、銅閥、平衡閥、不銹鋼閥、管夾閥、美標(biāo)閥、電站閥、呼吸閥、液控閥、真空閥、，排放閥、氣動(dòng)角座閥、保溫閥、過(guò)濾器、底閥、平衡閥、排污閥等，至高使用溫度570℃，至低使用溫度-196℃，至大壓力600MPa，至大直徑5350mm。此外，據(jù)有關(guān)部門(mén)統(tǒng)計(jì)，中國(guó)閥門(mén)市場(chǎng)年?duì)I業(yè)額高達(dá)500億元左右，其中100多億元的市場(chǎng)被國(guó)外閥門(mén)企業(yè)占據(jù)。

　　In terms of products, China's valve industry has been able to produce more than ten types of products, including gate valves, globe valves, check valves, ball valves, safety valves, pressure reducing valves, needle valves, regulating valves, diaphragm valves, butterfly valves, solenoid valves, drain valves, plunger valves, plug valves, forged steel valves, etc. Needle valves, instrument valves, level gauges, flow meters, exhaust valves, flame arresters, knife gate valves, mud valves, copper valves, balance valves, stainless steel valves, pipe clamp valves, American standard valves, power station valves, breathing valves, liquid control valves, vacuum valves, discharge valves, pneumatic angle seat valves, insulation valves, filters, bottom valves, balance valves, sewage valves, etc., with a maximum operating temperature of 570 ℃ and a minimum operating temperature of -196 ℃. High pressure of 600MPa, up to a diameter of 5350mm. In addition, according to relevant departments' statistics, the annual turnover of China's valve market is as high as about 50 billion yuan, of which more than 10 billion yuan of the market is occupied by foreign valve enterprises.

　　目前，我國(guó)閥門(mén)行業(yè)還存在一些問(wèn)題。例如，我國(guó)的閥門(mén)企業(yè)主要是低水平、小型和家庭作坊型企業(yè)。在產(chǎn)品方面，由于重復(fù)投資和技術(shù)引進(jìn)不足，我國(guó)閥門(mén)企業(yè)的主要產(chǎn)品仍然是低質(zhì)量的批量產(chǎn)品。目前，我國(guó)企業(yè)生產(chǎn)的各類(lèi)閥門(mén)普遍存在外漏、內(nèi)漏、外觀質(zhì)量低、使用壽命短、操作不靈活、閥門(mén)電動(dòng)和氣動(dòng)裝置不可靠等缺點(diǎn)。有些產(chǎn)品僅相當(dāng)于80年代初的國(guó)際水平，一些高溫、高壓和關(guān)鍵設(shè)備所需的閥門(mén)仍然依賴(lài)進(jìn)口。此外，我國(guó)閥門(mén)行業(yè)在產(chǎn)業(yè)結(jié)構(gòu)、閥門(mén)行業(yè)產(chǎn)業(yè)鏈等方面與國(guó)外企業(yè)存在較大差距。

　　At present, there are still some problems in China's valve industry. For example, valve enterprises in China are mainly low-level, small-scale, and family workshop enterprises. In terms of products, due to repeated investment and insufficient technology introduction, the main products of valve enterprises in China are still low-quality bulk products. At present, various types of valves produced by Chinese enterprises generally have disadvantages such as external leakage, internal leakage, low appearance quality, short service life, inflexible operation, and unreliable valve electric and pneumatic devices. Some products are only equivalent to the international level of the early 1980s, and some valves required for high temperature, high pressure, and critical equipment still rely on imports. In addition, there is a significant gap between China's valve industry and foreign enterprises in terms of industrial structure and valve industry chain.

　　國(guó)內(nèi)閥門(mén)產(chǎn)品質(zhì)量不高的原因是：由于市場(chǎng)的快速擴(kuò)張，原有的國(guó)有閥門(mén)企業(yè)紛紛關(guān)閉和改制。雖然一些鄉(xiāng)鎮(zhèn)企業(yè)發(fā)展迅速，但由于鄉(xiāng)鎮(zhèn)企業(yè)起點(diǎn)低、技術(shù)力量薄弱、設(shè)備簡(jiǎn)單，大部分產(chǎn)品都是仿制生產(chǎn)，尤其是給排水低壓閥門(mén)。

　　The reason for the low quality of domestic valve products is that due to the rapid expansion of the market, existing state-owned valve enterprises have closed and restructured one after another. Although some township enterprises have developed rapidly, due to their low starting point, weak technical strength, and simple equipment, most products are produced through imitation, especially low-pressure valves for water supply and drainage.

　　但上述問(wèn)題并不影響我國(guó)閥門(mén)行業(yè)未來(lái)的廣闊前景。這主要是由于國(guó)家政策的支持和閥門(mén)產(chǎn)品市場(chǎng)的強(qiáng)勁需求。此外，中國(guó)正面臨工業(yè)化時(shí)代的到來(lái)。石化、電力、冶金、化工、城市建設(shè)等行業(yè)的大型閥門(mén)用戶(hù)將增加對(duì)閥門(mén)產(chǎn)品的需求燃煤發(fā)電機(jī)組大中型啟動(dòng)項(xiàng)目所需閥門(mén)總量預(yù)測(cè)為：閥門(mén)總需求量15.3萬(wàn)，年均需求量3.06萬(wàn);閥門(mén)總需求39.6億元，年均需求7.92億元，閥門(mén)產(chǎn)品的加工制作面臨更大的發(fā)展空間。

　　But the above issues do not affect the broad prospects of China's valve industry in the future. This is mainly due to the support of national policies and strong demand in the valve product market. In addition, China is facing the arrival of the industrialization era. Large valve users in industries such as petrochemicals, electricity, metallurgy, chemical engineering, and urban construction will increase their demand for valve products. The total number of valves required for large and medium-sized start-up projects of coal-fired power generation units is predicted to be 153000, with an average annual demand of 30600; The total demand for valves is 3.96 billion yuan, with an average annual demand of 792 million yuan. The processing and manufacturing of valve products face greater development space.

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