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透明PVC管材易于检查，因此有流体进入管材的测试应用。
橡胶管在储存时不容易扭结，占用空间小，便携式工作。
对于安装，建议采用铝管。
柔性双柱油管与Mark II压力表和风速指示器一起使用。
Norprene®油管适用于-75 - 275°F(-60 - 135°C)的广泛温度范围，在长期暴露在高温和臭氧下也不会减弱。
灵活的彩色乙烯管是迅速区分在应用，在一个以上的线是需要协助安装。
符合NFPA 90A标准的黑色密封聚乙烯管，适用于空调和通风密封空间; 也用于楼宇自动化系统。
| Model | Description |
|---|---|
| A-200-1 | Norprene® tubing, 3/16" ID x 5/16" OD, 13 psi maximum pressure @ 73°F, 50' length. |
| A-200-2 | Norprene® tubing, 1/4" ID x 3/8" OD, 10 psi maximum pressure @ 73°F, 50' length. |
| A-201 | Rubber latex tubing has less tendency to kink in storage and occupies less space, thus is best for portable work. 3/16" ID, 9' length. |
| A-202 | Rubber latex tubing. 3/16" ID, lengths to 50'. |
| A-203 | Clear PVC tubing, 1/8" ID x 1/4" OD, lengths to 100'. |
| A-204-B | Opaque blue vinyl tubing, 3/16" ID X 5/16" OD, available in lengths up to 500', per ft. |
| A-204-C | Opaque white vinyl tubing, 3/16" ID X 5/16" OD, available in lengths up to 500', per ft. |
| A-204-D | Opaque black vinyl tubing, 3/16" ID X 5/16" OD, available in lengths up to 500', per ft. |
| A-210 | Aluminum tubing is recommended for permanent installations. 1/4" OD, 5' length, 500 psi maximum pressure @ 200°F. |
| A-211 | Aluminum tubing, 1/4" OD, 50 ft length, 500 psi maximum pressure @ 200°F. |
| A-220 | Clear flexible vinyl tubing is easily inspected, and is therefore best for test applications where a possibility of fluid entering the tubing exists. 3/16" ID x 5/16" OD, lengths to 500'; 45 psi maximum pressure @ 73°F. |
| A-221 | Clear flexible vinyl tubing is easily inspected, and is therefore best for test applications where a possibility of fluid entering the tubing exists. 1/8" ID x 3/16" OD, lengths to 500'; 40 psi maximum pressure @ 165°F. |
| A-222 | Clear flexible vinyl tubing is easily inspected, and is therefore best for test applications where a possibility of fluid entering the tubing exists. .240" ID x .375" OD, lengths to 500'; 35 psi maximum pressure @ 73°F. |
