October 16, 2019

Daily maintenance method of valve

Daily maintenance method of valve A valve is a device that controls the direction, pressure, and flow of a fluid in a fluid system. The valve is a device that allows the flow or stop of the medium (liquid, gas, powder) in the piping and equipment and can control its flow.

1, the valve storage environment should pay attention to, should be stored in a dry and ventilated room, and block the two ends of the channel.

2. Install the valve after application and perform regular maintenance to ensure its normal operation.

3, should check the valve seal surface wear, and according to the situation for repair or replacement.

4. Check the trapezoidal thread wear of the valve stem and stem nut, whether the filler is out of date, etc., and perform the necessary replacement.

5. Test the sealing performance of the valve to ensure its performance.

6. The valves in operation should be in good condition. The bolts on the flanges and brackets are complete. The threads are not damaged and there is no loosening phenomenon.

7. If the handwheel is lost, it should be timely and not replaced with a live spanner.

8. If the valve is used in a harsh environment and is easily contaminated by rain, snow, dust, sand and other dirt, a protective cover should be installed on the valve stem.

13, the valve in operation, to avoid hitting it, or support heavy objects.

Technical parameters


Product introduction

Mainly used for flotation clean coal and other coal slime dewatering, solid-liquid separation and application of various suspension in metallurgy, chemical, oil and the environmental protection industry.

Type meaning

P G 116 - 12





Order information

Specify the equipment specifications;

Host a full set of supply, on the principle of auxiliary equipment owned by the user. If you have special needs can be in a single order;

Another order spare parts;

Company IntroductionQM

Luoyang Hong Xin Heavy Co., LTD. is located in Luoyang Xin'an Industrial Park, Luoyang Hongxin Heavy Machinery Co., Ltd is an enterprise featured with industrial designing, processing and manufacturing, which is qualified for import-export trade. Covering an area of 15,000 square meters and holding an annual production value of 80 million RMB, the company of 20 million RMB registered capital has total 100 staff members, among which there are 20 engineering technicians owning senior and medium professional titles and 40 intermediate and senior technicians capable of product designing and developing.

Hongxin is dedicated to produce reducers, hoists, crushers, Ball Grinding Mills and the equipments of screening, coal washing, metallurgy and cement, and replacement parts. Meanwhile, we provide the perform maintenance service for various series of equipments. There are 52 large-scale equipments applied into the manufacturing process, such as T200 CNC floor boring and milling machine, YK 73125 CNC molding gear grinding machine, YK322B CNC molding gear grinding machine, Y3200 gear hobbing machine, Y1600 CNC gear sharper, 4m vertical lathe, 6.3m CNC vertical lathe, T110 CNC boring machine, and 52 middle-sized productive and assistive equipments, which integrate strong manufacturing and processing capability with complete managing system of production and technology, quality management system and comprehensive testing measures.





Disc Filter

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Luoyang Hongxin Heavy Machinery CO., TLD. , http://www.hxreducer.com