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1、EQUIPMENT OPERATION AND MAINTENANCE MANUALHANGZHOU LIANGGONG VALVE CO.,LTD. DRAIN VALVECHAPTER：00PAGE：1DATE：2012-11-23EDITION：AChapter0 CONTENT VERSION00.1 CONTENTSee next pageEQUIPMENT OPERATION AND MAINTENANCE MANUALHANGZHOU LIANGGONG VALVE CO.,LTD. DRAIN VALVECHAPTER：00PAGE：2DATE：2012-11-23EDITIO
2、N：ACONTENT00 Catalog, version . 100.1 directory . 200.2 version . 3Chapter 0 Overview . 40.1 Equipment Model . 40.2devices applicable standard . 4Chapter 1 Device Description . 51.1 General data . 51.1.1 Operation Characteristics . 51.1.2 installation characteristics . 51.2 Detailed Description . 61
3、.2.1 Main parts . 61.2.2 Accessories . 71.3 Installation Requirements . 7Chapter 2 Run Rules . 8Start . 8 2.1 first start and overhaul2.2 Normal operation . . 82.3 Troubleshooting . . . . . . 8Chapter 3 Maintenance . . 93.1 during the normal operation of consumable spare parts list . . 93.2 special
4、tools . . 93.3-handling device . . 93.4 spare parts storage conditions . . . 93.5 Maintenance Requirements . . 113.5.1 routine maintenance . 113.5.2 Preventive Maintenance . 113.5.3 regularly test . 113.5.4 disintegration maintenance . 113.5.5 the equipment outage during the maintenance and Notes .
5、123.5.6 special parts . 12Chapter 4 drawings . 134.1 General Plan . 14 EQUIPMENT OPERATION AND MAINTENANCE MANUALHANGZHOU LIANGGONG VALVE CO.,LTD. DRAIN VALVECHAPTER：00PAGE：3DATE：2012-11-23EDITION：A00.2 VERSIONVERSION DATE CHAPTER PAGE AMENDMENT RANGE AND FOUNDATIONA 2012-11 FIRST VERSIONEQUIPMENT O
6、PERATION AND MAINTENANCE MANUALHANGZHOU LIANGGONG VALVE CO.,LTD. DRAIN VALVECHAPTER：00PAGE：4DATE：2012-11-23EDITION：AChapter 0 OverviewFloat-drain valve (referred to as drain valve), capable discharging in time of steaming pipe the condensate to prevent steam leak in the network and heating equipment
7、, so as to ensure the normal operation of thermal equipment and pipe network has a significant effect on the energy conservation. Widely used in the chemical, refining, power, textile, paper and other industrial and mining enterprises, in particular, is more suitable for low pressure, high requireme
8、nts of large displacement and temperature stability, and should not be slack condensate steam equipment.01 Equipment modelThis manual corresponding model see table 0.1Table 0.1 Corresponding information of equipmentNO. ModelEquipment function codeValve DN Safety Class Warranty ClassAnti-knock Grade1 LGS45-16 / 15 NA QNC NA02 Equipment applicable standardsa). GB/T9113-2010 Integral steel pipe flangesb). GB/T12250-2005 steam drain valve term, sign, structure length
