证:工商信息已核宝br /> 访问量:1794790
 
   PVC是由氯乙烯体'/span>VCM)聚合而成+/span>PVC材料具有无毒,抗老化及耐酸碱的特性,因此非常适合于化工管道上使用,而以PVC原料加入固状配剂所生产出的产品,即称之丹/span>UPVC(硬聚氯乙烯)、/span>
CPVC是将PVC分子再次氯化而成,含氯量更高的高分子材料,其平均氯含量俄、为74%,由于氯含量增高,因此其耐温性、耐酸碱性及机械强度均高亍/span>UPVC许多,且其更具有燃点高,低燃烧烟雾,导电率低以及耐磨性高的特点,因此是工业管道的**材料、/span>
工作温度与耐压级数折损比例?/span>:
| ℈/span> | 73 | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 | 160 | 170 | 180 | 190 | 190 | 200 | 210 | 
| ℂ/span> | 23 | 27 | 32 | 38 | 43 | 49 | 54 | 60 | 66 | 71 | 77 | 82 | 88 | 88 | 93 | 99 | 
| UPVC | 100% | 90% | 75% | 50% | 50% | 40% | 30% | 22% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 
| CPVC | 100% | 100% | 91% | 73% | 73% | 65% | 57% | 57% | 45% | 32% | 32% | 30% | 25% | 25% | 20% | 0% | 
如以23℃(73℉)的水,管道系统可承受100%的工作压力,当工作温度随之升高时,耐压级数将如上表所示相对折损,水以外的介质不适用以上压力级数、/span>
带螺牙或牙口的管道,UPVC的工作温度必须限制在40℃以下,CPVC则不得超迆/span>54℃、/span>
UPVC物理性能?/span>:
| 性能 | 单位 | 性能指针 | 测试方法 | 
| 密度 | g/cm3 | 1.3-1.5 | ISO 1183 | 
| 维卡软化温度 | ℂ/p> | 70 | ISO 306 | 
| 拉伸强度 | MPa | 50 | ISO 527-2 | 
| 冲击强度 | KJ/m2 | 8 | ISO 179 | 
| 拉伸系数 | MPa | 2600 | ISO 527-2 | 
球阀连接方式
| 尺寸 | 规格 | 材质 | O型圈 | 垫片 | 接口 | 
| 1/2"~4" | ANSI?/span>JIS?/span>DIN?/span>BS | PVC | EPDM\FPM | PTFE | Socket, Threaded, Flanged | 
| 1/2"~4" | ANSI?/span>JIS?/span>DIN?/span>BS | CPVC | EPDM\FPM | PTFE | Socket, Threaded, Flanged | 
| 1/2"~4" | ANSI?/span>JIS?/span>DIN?/span>BS | PVDF | EPDM\FPM | PTFE | Socket, Threaded, Flanged | 
| 1/2"~4" | ANSI?/span>JIS?/span>DIN?/span>BS | PP | EPDM\FPM | PTFE | Socket, Threaded, Flanged | 
| 1/2"~4" | ANSI?/span>JIS?/span>DIN?/span>BS | ABS | EPDM\FPM | PTFE | Socket, Threaded, Flanged |