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Here are some of the well-known brands recognized in the valve industry, which are widely recognized and have a high reputation. While rankings may vary depending on time and market conditions, the following brands are generally considered to be among the top brands in the valve industry:
The following influential first-line brands of water system valves and industrial valves can be used as a reference, but for reference only: Suzhou Neway Valve, Shanghai Guanlong Valve, Shanghai Qizhong Valve, Sanhua, Su Yan, Shentong, Su Valve, Nanfang, Jiang.
First, the word Yao. The above manufacturers are only estimates and references, and the specific situation may vary or fluctuate at any time due to changes in a series of factors such as changes in the market, the size of the competition pattern, and the stability of product quality. As an indispensable key device in industrial production and civil facilities, the quality and reputation of the valve brand directly affect the satisfaction and trust of users.
These brands are known in the valve industry for their innovative technology, high-quality products and reliability. It is important to note that the market and industry are evolving rapidly, and different rankings may vary depending on time and region. For the most up-to-date ranking information, it is recommended to refer to industry reports, professional organizations or market research data for more detailed and accurate information.
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Q941F is an ordinary electric double flange lined fluorine ball valve, which can be produced by general valve factories You can just find a valve factory.
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Summary. 1 Install the valve on the line. Any end of the valve can be installed at the upstream end.
The handle-actuated valve can be installed anywhere on the pipeline. However, ball valves with gearboxes or pneumatic actuators should be installed upright, i.e. on a horizontal pipe with the drive above the pipe. 2. Install a gasket between the valve flange and the pipeline flange according to the pipeline design requirements.
3. The bolts on the flange should be tightened symmetrically, successively and evenly. 4 Connect the pneumatic line (when using a pneumatic drive).
Dear, 1 Ball Valve Front and Rear Lines are ready. The front and rear pipes should be coaxial, and the sealing surfaces of the two flanges should be parallel. The pipeline should be able to withstand the weight of the bulbstone and the valve, otherwise the pipe source and the road must be equipped with appropriate supports.
2. Blow the pipeline before and after the valve to remove the oil, welding slag and all other impurities in the pipeline. 3. Check the mark of the ball valve and make sure that the ball valve cover is intact. The hole was buried and the valve was fully opened and closed, and the ants were confirmed to be working normally.
4. Remove the protective parts on the connecting flanges at both ends of the ball valve.
5. Check the valve hole to remove any dirt, and then empty the valve hole. Even if there are only tiny particles of foreign matter between the seat and the ball, it may damage the seal surface of the seat and hail.
1. Install the valve on the tube and punch the line. Any end of the valve can be installed at the upstream end. The handle-actuated valve can be installed anywhere on the pipeline.
However, ball valves with gearboxes or pneumatic actuators should be installed upright, i.e. on a horizontal pipe with the drive above the pipe. 2. Install a gasket between the valve flange and the pipeline flange according to the pipeline design requirements. 3. The bolts on the flange should be tightened symmetrically, step by step, and evenly.
4 Connect the pneumatic bank line (when using pneumatic drive).
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Ball valve Q41F isManual flanged ball valves。A lever handle is required to control the switch. See diagram below.
Q41F manual flanged ball valve.
Ball valve Q941F isElectric flanged ball valvesto control the electric actuator by switching and controlling the electrical signal.
Driving the ball valve switch can control the ball valve from a distance, and at the same time, it can also know the opening and closing status of the ball valve through the feedback of the switch signal. in the automatic control system.
It is widely used. See diagram below.
Q941F Electric Flanged Ball Valve.
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Q941F electric ball valve, electric drive, flange connection form, floating ball straight-through, valve seat sealing surface material is molded vibrato fluoroplastic (Q941F), cemented carbide (Q941Y), nominal pressure PN16 PN63, nominal shading Qi inch DN15 DN300, applicable temperature is -29 450, valve body materials are carbon steel, rust steel and alloy steel.
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Q941F electric ball valve, electric drive, flange connection form, floating ball straight-through, valve seat sealing surface material fluoroplastic (Q941F), cemented carbide (Q941Y), nominal pressure PN16 PN63, nominal size DN15 DN300, applicable temperature is -29 450, valve body material is carbon steel, stainless steel and alloy steel. The Q941F electric base ball valve is suitable for two-position shut-off and adjustment occasions. The connection between the valve and the actuator adopts the direct connection mode, which is composed of electric actuators such as UNIC, PSQ, HQ, BBI HONG DHL and so on (other types of electronic electric smart shock actuators can also be configured according to user requirements) and ultra-short ball valves.
The electric actuator has a built-in servo system, which can be controlled by input 4-20mA signal and 220V AC power supply without the need for a servo amplifier.
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1. Compact structure 2, small body 3, light weight 4, close distance between valve seat and end flange 5, less material retention 6, superior sealing performance of blue gear.
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Model PN Working pressure MPA Applicable temperature Applicable medium Q941F-16C 16 180 Water, gas, oil Q941F-25C 25 Q941F-40C 40 Q941Y-16C 16 425 Water, gas, oil containing particles Q941Y-25C 25 Q941Y-40C 40 Q941F-16P 16 180 Nitric acid Q941F-25P 25 Q941F-40P 40 Q941Y-16P 16 450 Water, gas, Oil with granular media Q941Y-25P 25 Q941Y-40P 40 Q941F-16R 16 180 Nitric acid Q941F-25R 25 Q941F-40R 40 Q941Y-16R 16 450 Water, gas, oil with particles Q941Y-25R 25 Q941Y-40R 40 Q941F-16i 16 -29 150 Water, steam, gas, oil, etc. Q941F-25i 25 Q941F-40i 40 q941f-63i 63
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Model Material: Danqin, Valve Body, Stem, Sealing Surface, Packing Stock: Q941F-16C, WCB 2Cr13, 304, 316, 1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti, PTFE, Reinforced PTFE, PTFE Q941F-25C, Q941F-40C, Q941Y-16C, Metal Overlay, Cobalt-based, Flexible Graphite, Q941Y-25C, Q941Y-40C, Q941F-16P, CF8 304 PTFE, Reinforced PTFE PTFE Q941F-25P Q941F-40P Q941Y-16P Metal Overlay Cobalt-based Flexible Graphite Q941Y-25P Q941Y-40P Q941F-16R CF8M 316 PTFE, Reinforced PTFE PTFE Q941F-25R Q941F-40R Q941Y-16R Metal Overlay Cobalt Mold Resistant Biki Flexible Graphite Q941Y-25R Q941Y-40R Q941F-16i Alloy Steel Stainless Steel — q941f-25i q941f-40i q941f-63i
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