性能规范Property specification
用途及特点Purpose and characteristic
| 软密封蝶阀适用于温度≤120℃，公称压力≤1.6MPa的食品、医药、化工、石油、 电力、轻纺、造纸等给排水、气体管道上作调节流量和截流介质的作用。其主要特点为： 1、设计新额、合理，结构，重量轻，启闭迅速。 2、操力矩小，操作方便，省力灵巧。 3、可以任何位置安装、维修方便。 4、密封件可以更换，密封性能可靠达到双向密封零泄漏。 5、密封材料耐老化、耐腐蚀，使用寿命长等特点。 | Soft sealing butterfly valve is suitable for water supplying and draining,gas pipe as adjust flux ａnd cut off medium in foodstuft.pharmacy,chemical industry,petroleum,electric power, light textile, paper making etc with temperature<120C,nominal pressure<1.6MPa.The main characteristic such as: 1.Novel and reasonable design,special structure,light and start and stop rapidly. 2.Tiny operative moment,operation conveniently and skillfully. 3.Installation in any position,easyto maintain 4.It can exchange sealed component,antisepsis,reliable hermetical capacity and seal in double direction with zero leakage. 5.Hermetical material aging resistant,antisepsis,ａnd long service life etc. |
设计、制造标准 Standard for design and manufacture
设计标准Design standard:GB/T12238-1989
法兰连接尺寸Flange connection dimension:GB/T9113.1-2000;GB/T9115.1-2000;JB78
结构长度Structure length:GB/12221-1989
压力试验Pressure test:GB/T13927-1992;JB/T9092-1999
主要技术参数 Main technical parameter
| 公称通径Nominal diameter | DN(mm) | 50~2000 | ||
| 公称压力Nominal pressure | PN(MPa) | 0.6 | 1.0 | 1.6 |
| 试验压力 Ps(MPa) Test pressure | 强度试验Strengh test | 0.9 | 1.5 | 2.4 |
| 密封试验Seal test | 0.66 | 1.1 | 1.76 | |
| 气密封试验Gas seal test | 0.6 | 0.6 | 0.6 | |
| 适用介质Applicable medium | 空气、水、蒸气、煤气、油品等。Air,water,steam,coal gas,oil. | |||
| 驱动形式Drive modality | 手动、蜗杆蜗轮传动、气传动、电传动。hand,worm wheel drive,pneumatic drive,electric drive. | |||
主要零件的材质Material for main parts
| 零件名称Parts name | 材料Material |
| 阀体Body | 球墨铸钢、铸钢、合金钢、不锈钢Ductile cast iron,cast steel,Alloy steel,stainless steel |
| 蝶板Disc | 灰铸铁、球墨铸钢、铸钢、不锈钢及特殊材料 Gray cast iron,ductile cast steel,cast steel,stainless steel andspecial material |
| 密封圈Seal ring | 各种橡胶、聚四氟Manifold rubber PTFE |
| 阀杆Stem | 2Cr13、不锈钢Stainless steel |
| 填料Packing | O型圈、柔性石墨 O ring,flexible graphite |
蝶阀密封材料选用和适用温度 Butterfly valve seal material choice and appropriat temperature
| 材料品种 Material variety | 氯丁橡胶 Neoprene | 丁睛檬胶 Styrene rubber | 乙丙橡胶 Ethane propyl rubber | 聚四氟乙烯 PTFE | 硅橡胶 Silico rubber | 氟橡胶 Fluorine rubber |
| 代号Code | X | J | YBX | F | GX | FJ |
| 耐温度Resistance highest temperature | 82℃ | 93℃ | 150℃ | 232℃ | 250℃ | 204℃ |
| 耐温度Resislance lowest temperature | -40℃ | -40℃ | -40℃ | -268℃ | -70℃ | -23℃ |
| 适用工作温度Applicalbe working temperature | ≤65℃ | ≤80℃ | ≤120℃ | ≤200℃ | ≤200℃ | ≤180℃ |
