Product Description
1. Product Overview
Our gate valves are precision-engineered flow control devices designed to meet the highest standards of performance and reliability. With a wide range of applications across various industries, these valves are essential components for ensuring smooth and efficient fluid management.
2. Working Principle
The gate valve operates based on a simple yet effective mechanism. The key component is the gate, which moves perpendicular to the direction of fluid flow. When the valve is in the open position, the gate is fully retracted, allowing the fluid to pass through with minimal obstruction. In the closed position, the gate is lowered to block the flow path completely. This design enables the valve to be used for fully open or fully closed service, making it ideal for applications where isolation of the pipeline is required. It is important to note that gate valves are not suitable for regulating the flow rate and should only be used for on/off control.
3. Design Features
3.1 Body and Bonnet
- Materials: The valve body and bonnet are constructed from high-quality materials such as cast steel, stainless steel, and ductile iron. These materials offer excellent strength, durability, and corrosion resistance, ensuring long service life even in harsh operating conditions.
- Design: The body is designed with a smooth internal surface to minimize fluid resistance and prevent the accumulation of debris. The bonnet provides a secure enclosure for the internal components and is easily removable for maintenance and inspection.
3.2 Gate and Seat
- Gate Design: There are two main types of gates used in our gate valves - parallel and wedge-shaped. Parallel gates are flat and move between two parallel seats, while wedge-shaped gates have an inclined surface that matches the angle of the seats. The choice of gate type depends on the specific application requirements. For example, wedge-shaped gates are often preferred for applications where a tight seal is crucial, as they can provide better sealing performance.
- Seat Materials: The seats are typically made of materials such as metal, rubber, or a combination of both. Metal seats offer high-temperature and high-pressure resistance, while rubber seats provide excellent sealing performance and are suitable for applications where the fluid may contain impurities. The use of resilient seated gates, which have a rubber coating on the gate, can also help to prevent wear and tear on the seat and extend the valve's service life.
3.3 Stem and Actuator
- Stem Design: The stem is responsible for transmitting the force from the actuator to the gate. There are two types of stems - rising and non-rising. In a rising stem valve, the stem moves up and down with the gate, providing a visual indication of the valve's position. Non-rising stem valves, on the other hand, have a stem that rotates within the valve body, and the gate moves up and down along the stem. Non-rising stem valves are more compact and are suitable for applications where space is limited.
- Actuator Options: Our gate valves can be equipped with a variety of actuators, including manual handwheels, electric actuators, pneumatic actuators, and hydraulic actuators. The choice of actuator depends on the application requirements, such as the required operating speed, the level of automation, and the availability of power sources. Manual handwheels are suitable for applications where the valve is operated infrequently, while electric, pneumatic, and hydraulic actuators are ideal for applications that require remote control or high-speed operation.
4. Technical Specifications
4.1 Pressure Ratings
Our gate valves are available in a wide range of pressure ratings to suit different applications. The pressure ratings are typically specified in pounds per square inch (psi) or bars. Some of the common pressure ratings for our gate valves include 150 psi, 300 psi, 600 psi, 900 psi, 1500 psi, and 2500 psi. It is important to select a valve with a pressure rating that is suitable for the maximum operating pressure of the pipeline.
4.2 Temperature Ratings
The temperature ratings of our gate valves depend on the materials used in their construction. Different materials have different temperature limits, and it is important to choose a valve that can withstand the maximum operating temperature of the fluid. For example, valves made of cast steel are typically suitable for temperatures up to 425°C, while valves made of stainless steel can handle temperatures up to 650°C. Some valves may also be designed for low-temperature applications, such as those used in cryogenic systems.
4.3 Sizes
Our gate valves are available in a variety of sizes to fit different pipeline diameters. The sizes are typically specified in inches or millimeters. Some of the common sizes for our gate valves include 1/2", 3/4", 1", 1 1/2", 2", 3", 4", 6", 8", 10", 12", 14", 16", 18", 20", 24", and 36". It is important to select a valve with a size that is compatible with the pipeline diameter to ensure proper installation and operation.
5. Applications
Our gate valves are widely used in various industries, including:
- Oil and Gas: Gate valves are used in oil and gas pipelines for isolating sections of the pipeline during maintenance, repair, or emergency shutdowns. They are also used in refineries and petrochemical plants for controlling the flow of crude oil, natural gas, and other hydrocarbons.
- Water and Wastewater Treatment: In water treatment plants, gate valves are used to control the flow of water from the source to the treatment process and then to the distribution network. In wastewater treatment plants, they are used to isolate different treatment units and to control the flow of wastewater.
- Power Generation: Gate valves are used in power plants, such as coal-fired, gas-fired, and nuclear power plants, for controlling the flow of steam, water, and other fluids in the power generation process.
- Chemical and Petrochemical: In the chemical and petrochemical industries, gate valves are used to control the flow of various chemicals and petrochemical products. They are also used in reactors, storage tanks, and pipelines for isolation and safety purposes.
- Mining and Minerals: Gate valves are used in mining operations for controlling the flow of water, slurry, and other fluids in the mining process. They are also used in mineral processing plants for isolating different processing units.
6. Installation and Maintenance
6.1 Installation
- Before Installation: Before installing the gate valve, it is important to check the valve for any damage or defects. The valve should also be cleaned and lubricated according to the manufacturer's instructions.
- Installation Procedure: The valve should be installed in a horizontal or vertical position, depending on the application requirements. When installing the valve, it is important to ensure that the pipeline is properly aligned and that the valve is securely fastened to the pipeline using appropriate flanges, bolts, and gaskets.
- Testing: After installation, the valve should be tested to ensure that it is operating properly. The testing should include a pressure test to check for leaks and a functional test to ensure that the valve can be opened and closed smoothly.
6.2 Maintenance
- Regular Inspection: The gate valve should be inspected regularly for any signs of wear, corrosion, or damage. The inspection should include checking the valve body, bonnet, gate, seat, stem, and actuator for any signs of leakage, deformation, or damage.
- Lubrication: The stem and other moving parts of the valve should be lubricated regularly to ensure smooth operation. The lubrication should be done using a suitable lubricant according to the manufacturer's instructions.
- Repair and Replacement: If any parts of the valve are found to be damaged or worn, they should be repaired or replaced immediately. The replacement parts should be of the same quality and specifications as the original parts.
- Maintenance Schedule: A maintenance schedule should be established for the gate valve based on the operating conditions and the manufacturer's recommendations. The maintenance schedule should include regular inspections, lubrication, and repairs as needed.
7. Why Choose Our Gate Valves?
- Quality and Reliability: Our gate valves are manufactured using the highest quality materials and the latest manufacturing techniques to ensure long service life and reliable performance.
- Customization Options: We offer a wide range of customization options to meet the specific requirements of our customers. This includes different materials, sizes, pressure ratings, temperature ratings, and actuator options.
- Technical Support: Our team of experienced engineers and technicians is available to provide technical support and assistance to our customers. We can help with valve selection, installation, maintenance, and troubleshooting.
- Competitive Pricing: We offer competitive pricing for our gate valves without compromising on quality. Our goal is to provide our customers with the best value for their money.
In conclusion, our gate valves are high-quality, reliable, and versatile flow control devices that are suitable for a wide range of applications. With their excellent design features, technical specifications, and customization options, our gate valves are the ideal choice for any fluid management system. Contact us today to learn more about our gate valves and how we can help you with your flow control needs.
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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