Gate Valve
Your Professional Gate Valve Supplier
Zezhou Youteng Pipe Industry Co., Ltd., located in Jincheng, China, specializes in DN80–DN2600 ductile iron pipes, fittings, and gaskets. With 13 years of experience, 300 acres of production area, and over 800 skilled employees, we deliver reliable products for gas, water, drainage, and power projects worldwide.
Extensive Production Capacity
Over 300 acres and semi-automatic mechanized operations ensure stable supply and large-scale project delivery.
Quality Management
Professional quality control team guarantees first-class products, meeting domestic and international standards.
Customer-Oriented Service
Complete pre-sales, in-sales, and after-sales support with customization options for global clients.
Parameter
|
Body Material |
Ductile Iron 500-7 |
|
Stem Material |
Stainless Steel 316 |
|
Seal Material |
EPDM, NBR, HNBR |
|
Size Range |
DN80 - DN800 |
|
Pressure Rating |
PN10-PN25 |
|
Temperature Range |
-30°C to 80°C |
|
Operation Type |
Non-rising Stem |
|
Connection Type |
Flanged Ends |
Types of Gate Valve
The gate valves produced by our company mainly include the following types:
Buried Soft-sealed Gate Valve
Buried design eliminates vaults. It reduces space requirements. The valve installs directly underground. It handles soil pressure effectively. Maintenance remains minimal always.
Rising Stem Soft-sealed Gate Valve
Rising stem design provides visibility. Operators see valve position. This ensures correct operation. It prevents mistaken closures. Safety improves significantly.
Magnetic Encryption Soft-sealed Gate Valve
Magnetic encryption technology ensures safety. It uses unique magnetic codes. Each valve has individual identity. Only matched keys operate. This prevents tampering completely.
Advantages Of Gate Valve
Simple Structure and Easy Maintenance: Gate valves have a straightforward design, making them easier to manufacture and maintain. The internal structure is uncomplicated, typically composed of a gate, stem, body, and seat.
Low Flow Resistance: One of the most prominent advantages of gate valves is their low flow resistance. Since the internal passage is straight and unobstructed when the valve is fully open, the fluid can flow with minimal turbulence and pressure loss.
Lower Operating Torque: Compared to globe valves, gate valves require less torque to operate. This is because the movement of the gate is perpendicular to the direction of flow, which minimizes friction during opening and closing.
Lightweight and Durable Design: Constructed from advanced ductile iron, gate valves are typically 20-30% lighter than traditional models, improving installation and maintenance convenience.
Rubber-Coated Gate for Enhanced Seal: High-quality rubber is used to coat both the inner and outer surfaces of the gate, offering excellent memory elasticity and long-term sealing reliability.
Versatile Actuation Options
Gate valves can be operated manually, pneumatically, electrically, or with gear-driven actuators, providing flexibility for various industrial environments.
High Sealing Performance
With the use of flexible graphite packing and precision machining, modern gate valves offer reliable sealing performance, even in high-temperature environments.
Flat-Bottom Valve Seat Design
To prevent debris accumulation and leakage issues common in traditional designs, modern gate valves use a flat-bottom seat, ensuring unimpeded fluid flow.
Precision-Cast Valve Body
The precision casting process guarantees high dimensional accuracy, allowing the valve body to maintain effective sealing without additional machining.
Applications of Gate Valve
Water Supply Systems
Ideal for isolating flow in water distribution networks.
Oil and Gas Industry
Suitable for pipeline isolation and high-pressure applications.
Power Plants
Common in steam and condensate systems for isolation purposes.
Chemical Processing
Employed in systems where a tight shut-off is required to prevent leaks.
Installation Steps for Gate Valves
Step 1: Align the Valve
Make sure the valve and pipeline are aligned horizontally or vertically, depending on your system layout. The valve stem should be easily accessible for future operation and maintenance.
Step 2: Install the Valve
For Flanged Gate Valves
- Insert the valve between the two pipe flanges.
- Position gaskets on both sides of the valve.
- Align the bolt holes carefully and insert the bolts accordingly.
- Tighten bolts in a cross pattern to distribute pressure evenly.
- Use a torque wrench to apply the manufacturer-recommended torque values.
For Threaded Gate Valves
- Apply PTFE tape or sealant to the male threads.
- Thread the valve onto the pipe by hand.
- Use a wrench to tighten the bolts, ensuring not to overtighten.
For Welded Gate Valves
- Verify accurate alignment to ensure proper installation.
- Adhere strictly to all welding safety protocols.
- Allow time for cooling and conduct a pressure test afterward.
Step 3: Pressure Test and Inspection
- Gradually fill the pipeline with fluid.
- Inspect the valve body, stem, and joints thoroughly for any signs of leakage.
- Open and close the valve fully to ensure smooth operation.
- Conduct a hydrostatic or pneumatic test if specified by project standards.
Storage Precautions For Gate Valves
Temperature
10–30°C (50–86°F). Avoid extreme heat (can warp plastic components) or freezing (trapped moisture expands and cracks metal).
Humidity
Below 60%. Use dehumidifiers in damp warehouses.
Location
Store on pallets or racks—never directly on concrete (which absorbs moisture). Keep valves away from direct sunlight, chemicals, or heavy machinery that could bump or crush them.
Ordering Process
Inquiry: Contact us to discuss your requirements.
Confirmation: We will provide options and finalize the design.
Payment: Upon confirmation, proceed with payment.
Sample Approval: Samples will be provided for your approval.
Production: Upon sample approval, we will begin production.
Quality Inspection: Each product undergoes a thorough quality inspection.
Packaging and Shipping
|
Packaging |
Each valve wraps securely. Foam padding prevents damage. Strong cartons hold items. Manuals include instructions. Parts lists come inside. |
|
Shipping |
Shipping by sea, by air, by express are acceptable. According to your requirements. |
Our Factory
Zezhou Youteng project operation investment of more than 600 million yuan, the company covers an area of 300 acres. The company has more than 800 employees, including 6 professional managers, 18 quality management personnel, 26 professional management team, and 30 sales and after-sales service team.
Our Certificates
FAQ
As one of the most experienced gate valve manufacturers and suppliers in China, our company offer a wide range of products with superior quality. Please feel free to buy high quality gate valve for sale here from our factory. Good service and reasonable price are available.
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