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Summary of Contents for ddtop MFTC Series
- Page 1 MFTC SERIES PURGE DEVICE Operation Manual WWW.DDTOP.COM 1 / 12...
- Page 2 You can download this instruction manual by entering the version number at www.ddtop.com. If the instrument is not operated in accordance with these instructions, the protection provided by the instrument may be impaired.
- Page 3 Dandong Top Electronics Instrument (Group) Co., Ltd. has passed the ISO9001 quality system certification. The whole production process is carried out in strict accordance with the provisions of the quality system to provide the strongest guarantee for the quality of products and services. WWW.DDTOP.COM 3 / 12...
- Page 4 9 Maintenance and repair ..........................11 9.1 定期检查项目 ......................错误!未定义书签。 9.1 Periodic inspection items ........................11 9.2 故障诊断 ........................错误!未定义书签。 9.2 Troubleshooting............................12 10 拆卸 ......................... 错误!未定义书签。 10 Disassembly ............................12 10.1 警告 ........................... 错误!未定义书签。 10.1 Warnings ..............................12 WWW.DDTOP.COM 4 / 12...
- Page 5 10.2 废物清除 ......................... 错误!未定义书签。 10.2 Waste removal ............................12 WWW.DDTOP.COM 5 / 12...
- Page 6 According to the output form, there are local indication type and remote transmission type. According to the constant-flow valve form, there are inlet constant flow valve type, export constant flow valve type. 3 Structure and measuring principle 3.1 Inlet Purge Device Measuring Principle-Figure 1 WWW.DDTOP.COM 6 / 12...
- Page 7 When the medium is an incompressible liquid, the RE inlet can be applied to the outlet pressure variation. For (4), P1 is constant and P3 is changing, so P3 becomes P3+△P,P2 becomes P2+△P, so P2-P3=C is a constant value. WWW.DDTOP.COM 7 / 12...
- Page 8 For (4), P2 is constant and P1 is variable, so P1 becomes P1+△P, P2 becomes P2+△P, so P2-P3=C is a constant value. In the formula above： A: Diaphragm cross-sectional area A: Control valve spool (ball) cross-sectional area. F/f: Spring pressure (spring force). △P: Change in P2 or P3 WWW.DDTOP.COM 8 / 12...
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Page 9: Technical Parameters
WWW.DDTOP.COM 9 / 12... - Page 10 The installation dimensions shall not exceed the given dimensions by too much or too little in order to avoid tensile or compressive forces acting on the Purge Device. When the liquid medium contains ferromagnetic particles, a magnetic filter must be installed before the instrument. WWW.DDTOP.COM 10 / 12...
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Page 11: Maintenance And Repair
9.1 Periodic inspection items The following table indicates standard maintenance items and intervals. The intervals will vary depending on the fluid and operating conditions. Please consider the actual operating conditions to determine the intervals and contents as appropriate. WWW.DDTOP.COM 11 / 12... -
Page 12: Troubleshooting
10.1 Warnings Before disassembly, attention should be paid to hazardous process conditions, e.g., pressure in the vessel, hot, corrosive, or toxic media, etc. 10.2 Waste removal Please follow the existing guidelines for waste disposal in your region. WWW.DDTOP.COM 12 / 12...
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