Product Description
General Introduction
The spherical flange butterfly valve is a kind of valve with advanced design and reliable performance, which is widely used in various industrial pipeline systems. It is mainly used to control the flow and cut - off of media such as water, gas, steam, and oil.
Structural Features
- Spherical Butterfly Plate: The valve adopts a spherical - sealing - surface butterfly plate, which is usually made of metal materials such as ductile iron, stainless steel, or lined with materials such as PTFE. The spherical structure has a better sealing effect and can adapt to different working conditions.
- Double - Eccentric Design: The butterfly plate adopts a double - eccentric structure, which makes the valve open and close quickly, and the operation is light and labor - saving. At the same time, there is no sliding friction between the butterfly plate and the sealing ring, which reduces wear and prolongs the service life of the sealing surface.
- Three - Eccentric Metal Sealing (Optional): For metal - sealed spherical flange butterfly valves, a three - eccentric structure is usually adopted. This structure uses the inherent cam effect to completely eliminate all friction between the valve seat and the sealing ring during the 90 - degree stroke, ensuring excellent sealing performance at high temperatures and high pressures.
Technical Specifications
- Nominal Diameter: Usually ranges from DN50 to DN1200, and some manufacturers can provide larger - diameter products. The specific specifications include DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500, DN600, DN700, DN800, DN900, DN1000, DN1200, etc.
- Nominal Pressure: Generally includes PN10, PN16, PN25, etc. The corresponding pressure values are 1.0MPa, 1.6MPa, 2.5MPa, etc.
- Working Temperature: The applicable temperature range is - 23 °C to + 121 °C. However, the specific working temperature depends on the material of the valve body and the sealing material. For example, when the sealing material is rubber, the applicable temperature is generally lower; when the sealing material is PTFE or metal, the applicable temperature is higher.
- Applicable Media: Applicable to air, water, sewage, steam, gas, oil, and other media. Different material combinations of the valve body and sealing can be selected according to the characteristics of the media. For example, for corrosive media such as sulfuric acid, hydrofluoric acid, and phosphoric acid, valves with lining materials or stainless - steel materials can be used.
Material Selection
- Valve Body Material: Commonly used materials include QT450, WCB, CF8, CF8M, CF3M, 1.4529, 2507, C95400, etc. Among them, QT450 is ductile iron, which has good mechanical properties and corrosion resistance; WCB is carbon steel, which is suitable for general - pressure and non - corrosive media; CF8 and CF8M are stainless steels, which have excellent corrosion resistance and are widely used in the chemical, food, and pharmaceutical industries.
- Butterfly Plate Material: Similar to the valve body material, it can be made of DI, CF8, CF8M, CF3M, 2507, 1.4529, C95400, etc. In addition, the butterfly plate can also be lined with materials such as rubber or PTFE to improve the sealing performance and corrosion resistance.
- Sealing Material: Options include EPDM, NBR, PTFE, SI, FPM, etc. EPDM has good weather resistance and water resistance; NBR is suitable for oil - containing media; PTFE has high chemical stability and temperature resistance; FPM has excellent resistance to high temperatures and corrosive media.
Connection and Drive Modes
- Connection Mode: The main connection mode is flange connection, which complies with relevant flange standards such as GB/T 9113, ANSI B16.5, and DIN EN1092. The flange connection is easy to install and disassemble, and can ensure the sealing performance between the valve and the pipeline.
- Drive Mode: It can be divided into manual, pneumatic, electric, and hydraulic drive. Manual drive is suitable for occasions with low operation frequency and no remote - control requirements; pneumatic and electric drives are suitable for occasions with high automation requirements, which can realize remote control and automatic operation; hydraulic drive is suitable for large - diameter or high - pressure valves, which can provide greater driving force.
Standards Compliance
- Design and Manufacture Standards: Such as GB/T 2238 - 1989, API 609, etc.
- Flange Connection Size Standards: Such as GB/T 9113.1 - 2000, ANSI B16.5, etc.
- Structure Length Standards: Such as GB/T 12221 - 1989, etc.
- Test and Inspection Standards: Such as GB/T 13927 - 1992, API 598, etc.
Packaging & Shipping
Company Profile
Rooted in a legacy of excellence, Tianjin Auswell Valve Co., Ltd. proudly adheres to a multitude of international standards including those from China, Germany, Britain, America, Japan, and Australia. Our versatile range spans nominal diameters from DN15 to DN3000, pressure classes from 0.60 Mpa to 6.4 Mpa, and is capable of operating within temperatures from -20°C to 150°C. With a rich palette of materials like gray cast iron, ductile iron, cast steel, stainless steel, and duplex steel, our repertoire includes precision-crafted soft-sealed butterfly valves, soft-sealed gate valves, check valves, filters, ball valves, globe valves, balance valves, and diaphragm valves.
Driven by a relentless pursuit of perfection, Tianjin Auswell Valve Co., Ltd. has significantly bolstered its management framework in recent years to meet and anticipate our clients' needs. We've proudly garnered the prestigious ISO9001 Quality Management System Certification and the esteemed British WARS Drinking Water Certification. Our product offerings, celebrated for their reliability, have made their mark across Europe, Asia, Africa, and beyond, earning widespread acclaim and trust from our clientele. Upholding our commitment to quality, we at Auswell Valve Co., Ltd. are eager to collaborate fully with peers in the valve industry. Together, we strive to elevate Chinese craftsmanship onto the global stage.
Tianjin Auswell Valve Co., Ltd. It is nestled in a storied historical town in China, a place celebrated for its rich military legacy and famed for its rice cultivation. Industrial Park, Xiaozhan Town, Jinnan District, Tianjin. Here, our company boasts comprehensive production capabilities, from innovative product design and precise mold manufacturing to advanced machining, meticulous rubber smelting, epoxy spraying, and rigorous valve assembly and testing.
With state-of-the-art processing equipment and exquisite craftsmanship, we assure that every product aligns with national or international standards, reflecting our commitment to excellence. Our dedication to superior craftsmanship ensures that we deliver only the highest quality products to our valued customers.
Rooted in a legacy of excellence, Tianjin Auswell Valve Co., Ltd. proudly adheres to a multitude of international standards including those from China, Germany, Britain, America, Japan, and Australia. Our versatile range spans nominal diameters from DN15 to DN3000, pressure classes from 0.60 Mpa to 6.4 Mpa, and is capable of operating within temperatures from -20°C to 150°C. With a rich palette of materials like gray cast iron, ductile iron, cast steel, stainless steel, and duplex steel, our repertoire includes precision-crafted soft-sealed butterfly valves, soft-sealed gate valves, check valves, filters, ball valves, globe valves, balance valves, and diaphragm valves.
Rooted in a legacy of excellence, Tianjin Auswell Valve Co., Ltd. proudly adheres to a multitude of international standards including those from China, Germany, Britain, America, Japan, and Australia. Our versatile range spans nominal diameters from DN15 to DN3000, pressure classes from 0.60 Mpa to 6.4 Mpa, and is capable of operating within temperatures from -20°C to 150°C. With a rich palette of materials like gray cast iron, ductile iron, cast steel, stainless steel, and duplex steel, our repertoire includes precision-crafted soft-sealed butterfly valves, soft-sealed gate valves, check valves, filters, ball valves, globe valves, balance valves, and diaphragm valves.
Driven by a relentless pursuit of perfection, Tianjin Auswell Valve Co., Ltd. has significantly bolstered its management framework in recent years to meet and anticipate our clients' needs. We've proudly garnered the prestigious ISO9001 Quality Management System Certification and the esteemed British WARS Drinking Water Certification. Our product offerings, celebrated for their reliability, have made their mark across Europe, Asia, Africa, and beyond, earning widespread acclaim and trust from our clientele. Upholding our commitment to quality, we at Auswell Valve Co., Ltd. are eager to collaborate fully with peers in the valve industry. Together, we strive to elevate Chinese craftsmanship onto the global stage.
After Sales Service
Our advantage :Hoswell valve company distinguishes itself with a comprehensive set of strengths. We possess in - house independent R & D capabilities, backed by state - of - the - art processing equipment. Our manufacturing processes adhere to industry - leading standards, and we operate a rigorous quality control system.
Product Quality Assurance
Quality Commitment and Inspection: Before leaving the factory, valves need to undergo strict quality inspections, such as pressure tests, sealing tests, etc. It is ensured that there are no casting defects like sand holes or air holes in the valves, and there are no bruises or scratches on the flange sealing surfaces. The markings of flow rate, direction, nominal pressure, diameter, material, etc. are clear and complete. It is promised that the valves are produced and inspected in accordance with national standards, and unqualified products will not leave the factory.
Warranty Period Service: Provide a certain period of warranty service. During the warranty period, for malfunctions caused by product quality problems, the manufacturer will repair or replace parts free of charge.
Technical Support
Pre-sales Consultation: Before customers purchase valves, provide them with professional technical consultations, including suggestions on product selection, specification parameters, material characteristics, applicable working conditions, etc., to help customers choose the most suitable valve products.
Installation Guidance: Provide installation guidance services, which can be carried out online (such as by phone, video, installation manuals, etc.) or offline (by sending technicians to the site) to ensure that the valves are installed correctly and avoid problems caused by improper installation.
Usage Training: Provide usage training for customer operators, enabling them to be familiar with the operation methods of the valves, key maintenance points, knowledge of troubleshooting common faults, etc., and improving the customers' ability to use and maintain the valves.
Supply of Maintenance Parts: Ensure the timely supply of maintenance parts. For the damage of parts outside the warranty period, provide the parts at a reasonable price (such as the cost price).
Regular Follow-up Visits: Regularly conduct follow-up visits to customers, understand the usage situation of the valves, and collect customers' feedback opinions, so as to improve the products and services.
FAQ
1) Q: Are you a manufacturer or trading company?
A: Hoswell Valve is a professional valve manufacturer with experienced R&D team.
2) Q: Do you have any agent or representative abroad?
A: Yes, we have agents in some countries, they can offer local service for you.
3) Q: What kinds of valve can you supply?
A: We can supply butterfly valve, ball valve, check valve and so on.
4) Q: Do you have any certificate for the valves?
A: Yes, we have CE, BV, ATEX, TS and so on.
5) Q: What's the delivery time?
A: If all the parts of the valve are ready in stock, the valves can be delivered within 7~10 days.
6) Q: What are the countries or regions you supply valves?
A: Hoswell valves have been supplied to USA, Europe, Australia, Singapore, South Africa and so on.
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