球閥(ball valve，globe valve 在海工和船舶領(lǐng)域應(yīng)為截止閥），利用亦可用于流體的調(diào)節(jié)與控制，其中硬密封V型球閥其V型球芯與堆焊硬質(zhì)合金的金屬閥座之間具有很強(qiáng)的剪切力，適用于含纖維、微小固體顆料等介質(zhì)。而多通球閥在管道上不可靈活控制介質(zhì)的合流、分流、及流向的切換，同時(shí)也可關(guān)閉任一通道而使另外兩個(gè)通道相連。本類閥門在管道中一般應(yīng)當(dāng)水平安裝。球閥分類：氣動(dòng)球閥，電動(dòng)球閥，手動(dòng)球閥，液壓球閥。
美 國(guó) 約 克 國(guó) 際 集 團(tuán)
(USA YOCO INTERNATIONAL GROUP)
美國(guó)YOCO約克被譽(yù)為美國(guó)鋼都之城的匹茲堡市正式成立，八十多年來(lái)，美國(guó)YOCO的生產(chǎn)技術(shù)及銷售服務(wù)網(wǎng)絡(luò)不斷拓展，至今于世界各地已擁有七大銷售分公司、數(shù)以百計(jì)的維修站、生產(chǎn)廠房及附屬機(jī)構(gòu)。美國(guó)YOCO(美國(guó))集團(tuán)公司的生產(chǎn)基地包括了中國(guó)、美國(guó)、英國(guó)、法國(guó)、墨西哥、澳洲、馬來(lái)西亞、日本、意大利、西班牙等地區(qū)。美國(guó)YOCO已成為、的流體控制器和工業(yè)設(shè)備制造商之一，今天的YOCO已被為世界流體控制領(lǐng)域的先導(dǎo)者。公司致力于科研開(kāi)發(fā)流體控制器，生產(chǎn)流體控制設(shè)備系統(tǒng)，在許多個(gè)均有生產(chǎn)基地。美國(guó)YOCO產(chǎn)品的用戶涉及石油、化工、電力、冶金、制藥、食品、水處理、市政給排水、天然氣、造紙、電子工業(yè)、樓宇、機(jī)械設(shè)備配套等領(lǐng)域。
The original：
USA YOCO INTERNATIONAL GROUP is a global technology leader in fluid control in engineering companies and large suppliers. June 1928 known as the United States Steel in Pittsburgh, a city of both the formal establishment of eighty years, YOCO's production technology and the valve sales and service network continues to expand, so far around the world already has seven sales offices, Hundreds of service stations, manufacturing plants and subsidiaries. U.S.A.YOCO including the production base in China, the United States, Britain, France, Mexico, Australia, Malaysia, Japan, Italy, Spain and other regions. YOCO has become the world's largest valves, flow controllers and the most professional manufacturers of industrial equipment, today's YOCO has been recognized as the world leaders in the field of fluid control. Dedicated to scientific research and development of fluid control, fluid control equipment, production systems, in many countries and have production bases. YOCO valves user involves the petroleum, chemical, electric power, metallurgy, pharmaceutical, food, water treatment, municipal water supply and drainage, gas, paper making, electronic industry, building, mechanical equipment and other fields.
授權(quán)（Authorize）：
授權(quán)上海蝶閥門有限公司為美國(guó)約克集團(tuán)的閥門產(chǎn)品在中國(guó)的總代理商，負(fù)責(zé)美國(guó)約克集團(tuán)的閥門產(chǎn)品在中國(guó)推廣、銷售、技術(shù)支持及相應(yīng)服務(wù)工作。
Shanghai XianDie Valve Limited Company is authorized as the General Agent of the USA YOCO INTERNATIONAL GROUP in China,is responsible for the promotion,the sale,the technical support and the corresponding service work about valves of USA YOCO INTERNATIONAL GROUP in China.
