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进口气体安全阀是安装在气体管道或设备上，保护设备内气体压力异常升高到规定值时，安全阀可自动开启，全量排放，起到保护设备安全的作用，适用于氮气、空气、液化气、天然气、氧气等大多数的气体管道和设备上。
- 全启式结构，排量大
- 阀瓣处设有反冲盘部件
- 平面结构的阀瓣和阀座易于维修和重新加工
- 整定压力偏差小，可达±3%
- 选用优质的弹簧钢，保证弹簧的寿命和稳定性
| 公称压力（MPa） | 整定压力等级 | |||||||
| 1.6 | 0.06～0.1 | 0.1～0.16 | 0.16～0.25 | 0.4～0.6 | 0.6～0.8 | 0.8～1.0 | 1.0～1.3 | 1.3～1.6 |
| 2.5 | 1.3～1.6 | 1.6～2.0 | 2.0～2.5 | |||||
| 4.0 | 1.3～1.6 | 1.6～2.0 | 2.0～2.5 | 2.5～3.2 | 3.2～4.0 | |||
| 6.4 | 2.5～3.2 | 3.2～4.0 | 4.0～5.0 | 5.0～6.4 | ||||
| 10.0 | 3.2～4.0 | 4.0～5.0 | 5.0～6.4 | 6.4～8.0 | 8.0～10.0 | |||
| 型号 | 铸钢型 | 304不锈钢型 | 316不锈钢型 | 316L不锈钢型 | |
| 口径范围 | DN15～DN400 | ||||
| 适用温度 | ≤350°C | ≤200°C | |||
| 适用介质 | 水、蒸汽、油品 | 腐蚀性介质 | 腐蚀性介质 | 腐蚀性介质 | |
| 材料 | 1、阀座 | 2Cr13 | CF8 | CF8M | CF3M |
| 2、阀体 | WCB | CF8 | CF8M | CF3M | |
| 3、调节圈 | 2Cr13 | 304SS | 316SS | 316L | |
| 4、反冲盘 | 2Cr13 | 304SS | 316SS | 316L | |
| 5、阀瓣 | 2Cr13 | 304SS | 316SS | 316L | |
| 6、导向套 | 2Cr13 | 304SS | 316SS | 316L | |
| 7、阀盖 | WCB | CF8 | CF8M | CF3M | |
| 8、弹簧 | 50CrVa | 50CrVa包覆TEFLON | 50CrVa包覆TEFLON | 50CrVa包覆TEFLON | |
| 9、阀杆 | 2Cr13 | 2Cr13 | 316SS | 316L | |
| 10、调整螺杆 | 45#钢 | 2Cr13 | 2Cr13 | 2Cr13 | |
| 11、保护罩 | ZG200 | ZG200 | ZG200 | ZG200 | |
| 密封面材料 | 堆焊Co基硬质合金 | 堆焊Co基硬质合金 | 堆焊Co基硬质合金 | 堆焊Co基硬质合金 | |
| 公称压力 | 公称通径 | do | DN＇ | L | L1 | ≈H |
| 1.6MPa | 20 | 15 | 25 | 110 | 95 | 378 |
| 25 | 16 | 32 | 110 | 95 | 378 | |
| 32 | 20 | 40 | 115 | 100 | 378 | |
| 40 | 25 | 50 | 120 | 110 | 406 | |
| 50 | 32 | 65 | 135 | 120 | 450 | |
| 65 | 40 | 80 | 160 | 140 | 520 | |
| 80 | 50 | 100 | 170 | 135 | 525 | |
| 100 | 65 | 125 | 195 | 175 | 690 | |
| 125 | 80 | 150 | 210 | 190 | 780 | |
| 150 | 100 | 175 | 255 | 230 | 838 | |
| 200 | 125 | 250 | 300 | 260 | 992 | |
| 250 | 150 | 300 | 350 | 320 | 1266 | |
| 300 | 220 | 400 | 370 | 350 | 1283 | |
| 350 | 250 | 500 | 500 | 450 | 1520 | |
| 400 | 280 | 500 | 500 | 450 | 1530 | |
| 2.5MPa | 20 | 15 | 25 | 110 | 95 | 378 |
| 25 | 16 | 32 | 110 | 95 | 378 | |
| 32 | 20 | 40 | 115 | 100 | 378 | |
| 40 | 25 | 50 | 120 | 110 | 406 | |
| 50 | 32 | 65 | 135 | 120 | 450 | |
| 65 | 40 | 80 | 160 | 140 | 520 | |
| 80 | 50 | 100 | 170 | 135 | 525 | |
| 100 | 65 | 125 | 195 | 175 | 690 | |
| 125 | 80 | 150 | 210 | 190 | 780 | |
| 150 | 100 | 175 | 255 | 230 | 838 | |
| 200 | 125 | 250 | 300 | 260 | 992 | |
| 250 | 150 | 300 | 350 | 320 | 1266 | |
| 300 | 220 | 400 | 370 | 350 | 1283 | |
| 4.0MPa | 20 | 15 | 25 | 110 | 95 | 378 |
| 25 | 16 | 32 | 110 | 95 | 378 | |
| 32 | 20 | 40 | 115 | 100 | 378 | |
| 40 | 25 | 50 | 120 | 110 | 406 | |
| 50 | 32 | 65 | 135 | 120 | 450 | |
| 65 | 40 | 80 | 160 | 140 | 520 | |
| 80 | 50 | 100 | 170 | 135 | 525 | |
| 100 | 65 | 125 | 195 | 175 | 690 | |
| 125 | 80 | 150 | 210 | 190 | 780 | |
| 150 | 100 | 175 | 255 | 230 | 838 | |
| 200 | 125 | 250 | 300 | 260 | 992 | |
| 250 | 150 | 300 | 350 | 320 | 1266 | |
| 6.4MPa | 20 | 10 | 25 | 96 | 85 | 264 |
| 25 | 16 | 32 | 110 | 100 | 277 | |
| 32 | 20 | 40 | 130 | 110 | 289 | |
| 40 | 25 | 50 | 130 | 120 | 319 | |
| 50 | 32 | 65 | 135 | 130 | 389 | |
| 65 | 40 | 80 | 175 | 160 | 493 | |
| 80 | 50 | 100 | 175 | 160 | 483 | |
| 100 | 65 | 125 | 195 | 195 | 613 | |
| 150 | 100 | 200 | 280 | 265 | 894 | |
| 10.0MPa | 20 | 10 | 25 | 96 | 85 | 264 |
| 25 | 16 | 32 | 110 | 100 | 277 | |
| 32 | 20 | 40 | 130 | 110 | 289 | |
| 40 | 25 | 50 | 130 | 120 | 319 | |
| 50 | 32 | 65 | 135 | 130 | 389 | |
| 65 | 32 | 80 | 175 | 160 | 493 | |
| 80 | 40 | 100 | 175 | 160 | 483 | |
| 100 | 50 | 125 | 195 | 195 | 613 | |
| 150 | 80 | 200 | 280 | 265 | 894 |
美 国 约 克 国 际 集 团
（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已成为全球、*专业的流体控制器和工业设备制造商，今天的YOCO已被公认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，在许多个国家均有生产基地。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）：
授权上海仙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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