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When the purchase of visual valves, the surface should be no blisters; plating surface should be uniform, should pay attention to whether there is peeling, cracking, scorching, exposed, flaking, dark spots and obvious pitting and other defects; spraying surface tissue should be fine, smooth Uniform, no sagging, exposed defects. {TodayHot} Civil valves commonly used in ordinary households commonly used gate valve, ball valve, triangular valve and other forms, usually iron or copper. As the...
The enemy of the quality of steel drum products is leakage, because it makes the steel bucket lose its most basic function, so the leakage has become the topic most discussed by people. However, leakage is not a simple problem. Dedicated. This article attempts to conduct a special study on the quality issues of the steel drum seal triangle with the highest occurrence of leakage, in order to gain the consensus of experts and find a way to solve the problem in order to improve product quality....
Asphalt gear pump gear pump, but also a pump. Asphalt gear pump is mainly used in small flow, high lift water systems, such as drinking water supply system, pressure boiler water supply system, high purity water purification system. Asphalt gear pumps generally have the advantages of high output, low energy consumption and low manufacturing cost. They can be used for heat preservation, heating and cooling of transported liquids and pumps by conducting oil, steam, hot water, cold water and other...
Sewage pump is a non-clogging pump, with many forms: such as submersible and dry two, the most common submersible WQ submersible sewage pump, the most common dry sewage pump, such as W-type horizontal Sewage pump and WL vertical sewage pump two. Mainly used to transport urban sewage, manure or liquid containing fiber. Paper and other solid particles of media, the medium is usually the temperature is not more than 80 ℃. Due to the media being conveyed contain easily entangled or bunched fibers....
Because more and more factories use automatic control, manual operation is replaced by mechanical or automation equipment, the executive body is required to act as an interface between the control system and the valve mechanical movement, and the implementing agency is required to enhance the work safety performance and Environmental protection performance. In some hazardous situations, automated actuator installations reduce personnel injuries. Some special valves require emergency opening or...
Because more and more factories use automatic control, manual operation is replaced by mechanical or automation equipment, the executive body is required to act as an interface between the control system and the valve mechanical movement, and the implementing agency is required to enhance the work safety performance and Environmental protection performance. In some hazardous situations, automated actuator installations reduce personnel injuries. Some special valves require emergency opening or...
Drum truck, drum unloader, manual hydraulic drum truck, magnetic material card 025 8880 2418 Ji Fengguang shelf, magnetic material card, storage cage 025 8880 2469 Ji Fengguang manual hydraulic drum truck, drum truck, oil Bucket unloading vehicles are novel in design, reasonable in structure and easy to use. Manual hydraulic oil tank trucks, oil tank trucks, and oil drum trucks are suitable for loading, unloading, handling, and stacking of drums in factories, workshops, warehouses, and oil...
(1) Perform a complete scrub and inspection of all parts before assembling the pipe booster pump. Inspect parts for signs of scars, wear, and cracks. If any problems are found, they should be handled (repaired or replaced) before assembly. (2) Measure the outer diameter of the impeller and the inner diameter of the seal ring with a vernier caliper. Record the results on the record and calculate whether the clearance is between 0.4 mm and 0.5 mm. (3) shear mat: shear bearing gland, pump cover...
1, mechanical seal repair in several errors The larger the spring compression, the better the sealing effect. In actual fact, the spring compression is too large, can lead to rapid wear and tear friction, instantaneous burning; excessive compression of the spring lost the ability to adjust the dynamic ring end face, leading to seal failure. Ring seal ring as tight as possible. In fact, the ring is too tight moving ring harmless. One is to exacerbate the wear and tear between the seal ring and...
Valve body parts suitable for working temperature introduction 1 Overview Valve design and material selection must be one of the key issues to consider the working temperature of the valve. In order to regulate the appropriate working temperature of the valve body material, suitable working temperature and related to the valve body material for petrochemical, chemical, fertilizer, electric power and metallurgical industries in China from the material properties of various types of valve steel...
Valve body parts suitable for working temperature introduction 1 Overview Valve design and material selection must be one of the key issues to consider the working temperature of the valve. In order to regulate the appropriate working temperature of the valve body material, suitable working temperature and related to the valve body material for petrochemical, chemical, fertilizer, electric power and metallurgical industries in China from the material properties of various types of valve steel...
Love Home Market TV Edition is a Android-based platform for smart TV and smart TV box APP resource acquisition. It is a third-party smart TV/Smart TV box application management software launched by Aijia TV. It is perfectly adapted to smart TV/smart The app store of the box APP provides users with free downloads of massive TV games, videos, music, parent-children, and other categories of APPs. Love Home TV Features: 1. Lucky Big Wheel activity is on the line, a big wave of gifts is waiting for...
Magnetic pump in the course of daily use recommended that the majority of users should do the following maintenance work: (1) Check the magnetic pump pipeline and the combination of loose phenomenon. Rotate the magnetic pump by hand to see if the magnetic pump is spirited. (2) If there is abnormal sound of magnetic pump should stop immediately check the reasons. (3) Unscrew the diversion screw plug of the magnetic pump body, and pour water (or slurry). (4) close the outlet valve and outlet...
Solenoid valve in the liquid system used to achieve the liquid off or flow direction changes, it usually has a coil can be driven by electromagnetic force driven spool, spool in different locations, the solenoid valve access It is different. There are several working position of the spool, the solenoid valve is called a few solenoid valve: valve body interface, which is the number of solenoid valve access, there are several access ports, the solenoid valve is called a few pass solenoid valve....
Regulating valve is a commonly used actuator in automatic control system, which is used to adjust the flow of controlled object. Correct choice of regulating valve, is to adjust the quality assurance system control. On the composition of the control valve, flow characteristics were described in detail, and gives the control valve selection method and should pay attention to the problem. 0 Foreword Regulating valve is a commonly used actuator in automatic control system, which is the main...
Regulating valve is a commonly used actuator in automatic control system, which is used to adjust the flow of controlled object. Correct choice of regulating valve, is to adjust the quality assurance system control. On the composition of the control valve, flow characteristics were described in detail, and gives the control valve selection method and should pay attention to the problem. 0 Foreword Regulating valve is a commonly used actuator in automatic control system, which is the main...
Love Home Market TV Edition is a Android-based platform for smart TV and smart TV box APP resource acquisition. It is a third-party smart TV/Smart TV box application management software launched by Aijia TV. It is perfectly adapted to smart TV/smart The app store of the box APP provides users with free downloads of massive TV games, videos, music, parent-children, and other categories of APPs. All APPs in the market have undergone rigorous testing and verification by the Love Home TV Test...
Stainless steel reactor mechanical seal selection 1, first of all to clear the basis for the choice of seal: the first is the pressure inside the reactor, the second is the nature of the work material. Another is the operating temperature of the device. 2, followed by a clear stainless steel autoclave used in the type of mechanical seal: the reactor used seal that is commonly referred to as two types of shaft seal, the first is the packing seal, the second is a mechanical seal, mechanical seal...
Safety valves are safety accessories for boilers, pressure vessels and other pressurized equipment that can effectively prevent an explosion caused by overpressure of the production plant. Therefore, the safety valve in the chemical plant is very important. To thoroughly understand the safety valve, you have to start from its classification, characteristics, selection and installation requirements. Classification and features safety valve 1. According to the overall structure and loading...
j41h-16c valve material is what? j41h-16c h said the sealing material is Cr13 stainless steel, c said the valve body made of carbon steel. d343h butterfly valve connection is what? d343h butterfly valve connection is the flange connection. Valve h61f connection? Valve h61f connection is welded. What does j41y-c mean? j41y-c in the j said the cut-off valve, 4 said the valve connection is a flange connection, 1 said the cut-off valve structure is through the runner, y said the sealing material is...
j41h-16c valve material is what? j41h-16c h said the sealing material is Cr13 stainless steel, c said the valve body made of carbon steel. d343h butterfly valve connection is what? d343h butterfly valve connection is the flange connection. Valve h61f connection? Valve h61f connection is welded. What does j41y-c mean? j41y-c in the j said the cut-off valve, 4 said the valve connection is a flange connection, 1 said the cut-off valve structure is through the runner, y said the sealing material is...
The project “Development and Development of the Second Drum-type Mechanical Overwrapping Forming Drum” completed by Guangdong Jieyang Tianyang Mould Co., Ltd. has recently passed provincial-level scientific and technological achievements appraisal in Guangdong Province. This product is innovative and practical. It has produced more than 10 sets for users, replacing similar imported products and reflecting good results. The price of each item of this product produced by Jieyang Tianyang Mould...
Mechanical seal material calculation parameters First, the density 1,2 Cr13, 1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti Density 7.9kg / cm³ 2. YG6, YG8, YN6, YN8 Density 14.9kg / cm³ 3. Silicon carbide density 3.2kg / cm³ 4. Polytetrafluoroethylene 2.2kg / cm³ 2. Weight calculation Unit: kg, mm) 1, Yuan steel weight calculation coefficient: diameter 2 × 0.0000062 × length 2, stainless steel ring forging weight calculation factor: (diameter 2 - diameter 2) × 0.000006758 × length (including 7% of the fire) 3,...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.