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Heavy-Duty ANSI Stainless Steel Check Valve for Pump Systems1
Valve, Durable Valve, ANSI Stainless Steel Valve
HENAN QUANSHUN FLOW CONTROL SCIENCE & TECHNOLOGY CO., LTD.
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Product Description Product DescriptionIn some seriously application , such as medium full of sand and mud( eg in Huang River and sewage water treatment system ) , general valve can not run well and easily clog ,even will lead to the failure of the valve. Larger foreign material will make the disc stuck ,and result in lax sealing. Beside that ,big noise will appear because of large water hammer impact when the valve closed. Furthermore , some accidents will happened. Tube force control valve is developed to solve these problemProduct characteristicBecause of butterfly structure ,the valve has light weight and small volume ,and saves the construction cost . Without hydraulic control unit ,the cost is reduced and performance is increased . Due to less power is consumed ,it realizes energy-saving goal .There are two types , diaphragm type and piston type ,widely use in all kinds of medium .To grantee the medium is clean before entering into diaphragm ,a filer have to be installed to remove the particles of the sewage . The filter have self washing function .Because a special unit is designed below the filter, slag discharging will be done periodically .To meet the requirement of different operating conditions , control type is optional . Flow rate of the valve can be adjusted by manual or electric actuator .Benefits1,Easy to maintainLess fault point without external power . The key parts of the valve is made by high quality material, without any maintain . The filter in external line has self washing function .2,Beautiful appearanceInnovative structure , simple structure ,small volume ,and reliable running performance .3,Maintenance easilyDue to driving by medium and connecting with pump aotomatically , the valve reduce the cost of operational people greatly .4,Open the pump slowlyOnly the inlet pressure up to the presetting value after opening the pump ,the valve can be opened . The current of starting pump is reduced to improve the security of motor and electric control system .5,The valve opens quickly and closing slowly , which eliminating the water hammer and grantee the system safety .6,The disc of valve is oblique butterfly type ,and water is flow horizontal ,so the loss of energy is less .7,Tight sealing , nearly zero leakageAs metal-soft sealing or metal sealing structure is adopt , torque of friction will be greatly reduced; eccentric and oblique sealing pair, make the travel of closing valve becoming shorter , reduce the movement of distance sealing ring ,torque of friction become lower . So the valve can be opened in a moment . Further more , sand- proof function and pressure automatic compensation is also designed . mediaBaseBody materialWCBProduct nameMultifunctional swash plate valveColorCustomized ColorSeal MaterialNBR EPDM PTFEWorking mediumGas Water OilMain productsCompany Profile Henan Quanshun Flow Control Technology Co., Ltd. is a subsidiary of the Quanshun Group, a high-tech enterprise integrating the research and development, design, casting, manufacturing, sales, and service of intelligent industrial valves. Established in 2005 with a registered capital of 100.08 million yuan, the company operates three bases. It has been recognized as a provincial-level enterprise technology center, an advanced enterprise in fixed asset investment in Zhengzhou High-tech Zone, and an outstanding economic contributor. It is also a national high-tech enterprise with high growth potential. The company is the core drafting unit for eight national and industry standards, including the "Eccentric Semi-ball Valve," "Bidirectional Metal Hard Sealing Butterfly Valve for Urban Heating," "Insulation Jacket Valve," "Alumina Slurry Valve," "V-Ball Valve," "Hydraulic Control Valve," "Piston Flow Control Valve," and "Rotary Ball Valve." The company holds nearly 70 patents, including invention patents and national utility model patents. The "Quanshun" brand valves have earned various honors, such as provincial high-quality branded products, energy-saving products, key industrial products, Henan Province's first (set) major technical equipment products, "Specialized, Refined, Featured, and Innovative" enterprise recognition, and Henan Province's "Small Giant" in technology filed. The company's products are widely applied in industries such as petrochemical, power, steel, heating, metallurgy, and coal chemical engineering, serving as qualified suppliers for major companies like PetroChina, Sinopec, CNOOC, Huadian, Datang, China National Nuclear Corporation, China Resources, State Investment Corporation, and Shenhua Group. The company has provided professional, reliable, and safe integrated solutions to over 3,000 group clients and 5,000 projects. Quanshun Flow Control has over 40 years of professional expertise. With the corporate philosophy of "Integrity, Diligence, Teamwork, and Service," the company has gathered a large team of senior and mid-level professionals, as well as numerous skilled workers trained in specialized technology. The company employs over 300 people, with more than 80% holding technical qualifications above the college level. The technical department includes a CAD design studio, research and development center, process room, and an EMS production management system. The company holds various domestic and international certifications, including an A1-level special equipment manufacturing license (pressure pipeline components), ISO quality assurance system certification, ISO15848 low leakage certification, CE, SIL safety certification, API 607, API 6FA fire safety certification, integration of information and industrialization management system evaluation, intellectual property management system certification, and AAA-level credit qualification. The company has invested heavily in valve products, which focusing on national standards and energy-saving and emission-reduction efforts. And we has developed several new valves with independent intellectual property rights, including the bidirectional metal-sealing rotary ball valve, bidirectional all-metal hard-sealing butterfly valve, quick action line blind, anti-scaling semi-ball valve, needle-type regulating valve, molten salt valve, and water coal slurry discharge valve. These products have been widely adopted by more than 200 well-known domestic and international enterprises and key engineering projects. The company's self-developed fifth-generation temperature and pressure reduction device has received national support for energy-saving and emission-reduction projects, and the "Bidirectional Metal Sealing Rotary Ball Valve" has received recognition from the Henan Provincial Science and Technology Department as a technological achievement, which also acknowledge 5 series products as high-tech products. The company collaborates closely with several well-known domestic design institutes, including SDE, Hualu Engineering, Zhengzhou University, Henan University of Light Industry, North China University of Water Resources and Electric Power, and large enterprises like Wanhua Chemical, PetroChina, and Sinopec. These partnerships provide clients with R&D and manufacturing solutions for flow control equipment. In September 2023, the company acquired the 33,350-square-meter plot of land in Zhengzhou, which will inject new vitality into the company's development and contribute to the improvement and upgrading of the industrial chain. The dedicated and ambitious team at Quanshun is fully committed to building a century-old brand, delivering excellent product quality and perfect services in return for the support and trust from all sectors of society.Our AdvantagesCertificationsExhibitionPackaging & ShippingFAQQ: What is the cause of the leakage at the stem extension?A: There are two reasons, one is the sealing ring damage; Second, the sealing ring wear, aging.Q: How to solve the leakage at the stem extension?A: The solution is to replace the sealing ring.Q: What causes leakage at the valve and pipe connection?A: First, the sealing surface is damaged or contaminated by dirt; Second, gasket failure; Third, the pipe flange pressure is uneven or not pressed.Q: How to deal with leakage at the connection of valve and pipeline?A: The following measures can be taken: repair the sealing surface or clean up the dirt; Replace the gasket; Press the flange bolt evenly.Q: What is the cause of leakage in the valve?A: There is mainly debris on the sealing surface, or the sealing surface is damaged.Q: How to deal with internal leakage of valve?A: Remove the debris on the sealing surface and repair or replace the sealing pair.Q: What is the problem caused by the inflexibility of valve opening and closing?A: First, the executive mechanism failure; Second, there are foreign objects blocked valve plate.Q: How to solve the valve opening and closing is not flexible?A: When the actuator fails, repair or replace the actuator; If foreign objects block, remove foreign objects, and be careful not to damage the sealing surface.Q: Can the valve actuator adjust itself?A: The valve actuator has been debutted before leaving the factory, and non-professional personnel are forbidden to adjust.
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