真空球阀用于接通或切断真空(压力)系统管路中的介质流。应用于真空、乳制品、酒业、生物工程、食品、制药、饮料、化妆品及化工领域。
主要技术性能
| 阀门漏率：Valve Leak Rate | ≤1.3×10-4Pa.L/S. |
| 适用温度：Applicable Temperature | -30～+150℃ -30～+150℃(PPL密封) |
| 适用范围：Appy Range | |
| 连接型式 Loose Flange | 使用压力范围(Pa) |
| 活套法兰(GB6070、919) | 0.6×106～1.3×10-4 |
| 焊接法兰(GB6070、919) | 1.6×106～1.3×10-4 |
| 快卸法兰(GB4982) | 0.1×106～1.3×10-4 |
| 螺纹连接 Threaded Connection | 1.6×106～1.3×10-4 |
密封件：四氟乙烯、橡胶、氟橡胶、PPL。外形及连接尺寸螺纹连接的外形及连接尺寸(图一)
| Model 型号 | DN | G | H | E | L |
| 真空球阀 | 10 | 1/4" | 52 | 105 | 68 |
| 16 | 1/2" | 64 | 130 | 72 | |
| 20 | 3/4" | 67 | 130 | 82 | |
| 25 | 1" | 83 | 165 | 90 | |
| 32 | 1-1/4" | 89 | 165 | 112 | |
| 40 | 1-1/2" | 100 | 190 | 120 | |
| 50 | 2" | 125 | 190 | 145 | |
| 63 | 2-1/2" | 150 | 250 | 185 | |
| 80 | 3" | 161 | 250 | 210 | |
| 100 | 4" | 180 | 280 | 268 |
| Model 型号 | DN | D | Do | H | E | L | n-φc |
| 真空球阀 | 10 | 55 | 40 | 52 | 105 | 84 | 4-φ6.6 |
| 16 | 60 | 45 | 64 | 130 | 84 | 4-φ6.6 | |
| 25 | 70 | 55 | 83 | 165 | 114 | 4-φ6.6 | |
| 32 | 90 | 70 | 89 | 165 | 140 | 4-φ9 | |
| 40 | 100 | 80 | 100 | 190 | 160 | 4-φ9 | |
| 50 | 110 | 90 | 125 | 190 | 170 | 4-φ9 | |
| 63 | 130 | 110 | 150 | 250 | 195 | 4-φ9 | |
| 80 | 145 | 125 | 161 | 250 | 220 | 8-φ9 | |
| 100 | 165 | 145 | 180 | 280 | 280 | 8-φ9 |
| Model 型号 | DN | D1 | D | H | E | L |
| 10 | 12.2 | 30 | 52 | 105 | 84 | |
| 16 | 17.2 | 30 | 64 | 130 | 84 | |
| 25 | 26.2 | 40 | 83 | 165 | 114 | |
| 32 | 34.2 | 55 | 89 | 165 | 140 | |
| 40 | 41.2 | 55 | 100 | 190 | 160 | |
| 50 | 52.2 | 75 | 125 | 190 | 170 |
(USA YOCO INTERNATIONAL GROUP)
美国YOCO约克被誉为美国钢都之城的匹兹堡市正式成立，八十多年来，美国YOCO的生产技术及销售服务网络不断拓展，至今于世界各地已拥有七大销售分公司、数以百计的维修站、生产厂房及附属机构。美国YOCO(美国)集团公司的生产基地包括了中国、美国、英国、法国、墨西哥、澳洲、马来西亚、日本、意大利、西班牙等地区。美国YOCO已成为、的流体控制器和工业设备制造商之一，今天的YOCO已被为世界流体控制领域的先导者。公司致力于科研开发流体控制器，生产流体控制设备系统，在许多个均有生产基地。美国YOCO产品的用户涉及石油、化工、电力、冶金、制药、食品、水处理、市政给排水、天然气、造纸、电子工业、楼宇、机械设备配套等领域。
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.
授权（Authorize）：
授权上海蝶阀门有限公司为美国约克集团的阀门产品在中国的总代理商，负责美国约克集团的阀门产品在中国推广、销售、技术支持及相应服务工作。
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.
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