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Home > Industrial Equipment & Components > Valve > Gate Valve > GB/T Carbon Steel Gate Valve for Marine Oil Transfer and Pipeline Systems
GB/T Carbon Steel Gate Valve for Marine Oil Transfer and Pipeline Systems
Product Spotlights
Engineered for marine oil transfer, this GB/T carbon steel gate valve ensures reliable isolation with bidirectional sealing and low flow resistance. Its robust OS&Y design, corrosion-resistant materials, and customizable pressure ratings (PN16-PN40) provide durability in harsh environments. Backed by ISO9001 certification and global export experience, it offers a safe, low-maintenance solution for critical pipeline systems.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Carbon Steel (GB/T Standard)
Application:
Other, Marine Oil Transfer and Pipeline Systems
Connection Type:
Flanged (Standard), Optional Threaded
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Carbon Steel (GB/T Standard)
Application
Other, Marine Oil Transfer and Pipeline Systems
Connection Type
Flanged (Standard), Optional Threaded
Operation Type
Manual Handwheel (Standard), Gear Operated Optional
Pressure Rating
PN16, PN25, PN40 (Customizable)
Temperature Range
-29°C to 425°C
Seat Material
Stainless Steel or Carbon Steel
Design Standard
GB/T, API, DIN, JIS (Available upon request)
As a specialized manufacturer with a foundation in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. is dedicated to producing robust and reliable industrial valves for demanding global applications. Our GB/T Carbon Steel Gate Valve is engineered specifically for the critical task of marine oil transfer and pipeline systems, where safety, durability, and leak-proof performance are non-negotiable. We understand the challenges faced in offshore and onshore fluid handling, and this valve is our solution—crafted to withstand corrosive marine environments and ensure uninterrupted flow control. With an annual export value reflecting our global reach, we bring proven manufacturing expertise directly to your projects.
This gate valve is designed for isolation service in pipelines, offering a tight shut-off for oil, fuel, and other compatible fluids. Its robust construction ensures long-term reliability in the face of pressure fluctuations and harsh conditions common in marine and industrial settings.
Core Features & Technical Advantages:
- Superior Material Integrity: Manufactured from GB/T standard carbon steel, the valve body and major components offer high tensile strength and excellent resistance to mechanical stress and pressure.
- Optimized for Marine Service: The design and material selection specifically account for the corrosive atmosphere of marine applications, providing enhanced service life compared to generic valves.
- Bidirectional Sealing: The valve provides reliable sealing in both flow directions, a critical feature for pipeline systems where flow direction might change or need to be isolated from either side.
- Low Flow Resistance: When fully open, the gate retracts completely into the bonnet, creating a straight-through flow path that minimizes pressure drop and turbulence, enhancing system efficiency.
- Durable Stem & Sealing: The stem is designed for smooth operation and is sealed effectively to prevent external leakage. Packing materials can be customized based on service temperature and media.
- Multiple Operation Options: Supplied with a standard handwheel for manual operation. For larger sizes or high-pressure applications, gear operators are available upon request to reduce actuation effort.
Detailed Technical Specifications:
| Parameter | Specification |
|---|---|
| Valve Type | Rising Stem, Outside Screw & Yoke (OS&Y) |
| Body Material | Carbon Steel (WCB, LCB, etc. as per GB/T) |
| Gate & Seat Material | Carbon Steel or Stainless Steel (13% Cr) |
| Stem Material | Stainless Steel (Standard) |
| Pressure Class | PN16, PN25, PN40 (Common) |
| Size Range | DN50 to DN600 (2" to 24") |
| Connection Standard | Flanged as per GB/T, ANSI, DIN, JIS |
| Test & Inspection | Shell Test, Seat Test (Leakage Rate per API 598/GB/T 13927) |
Benefits for Your Operation:
- Enhanced Safety: The robust design and reliable shut-off capability significantly reduce the risk of leaks or failures in critical oil transfer lines, protecting personnel, assets, and the environment.
- Reduced Maintenance Costs: The use of durable materials and precision machining leads to less frequent maintenance cycles and lower lifetime costs.
- Global Compliance Flexibility: While built to GB/T standards, valves can be manufactured to align with API, DIN, JIS, or other international standards to meet specific project requirements in your market.
- Supply Chain Reliability: With major shipment ports in Shanghai, Guangzhou, Hong Kong, and Beijing, we offer flexible logistics to key global regions including North America, Europe, Southeast Asia, Africa, and the Middle East.
Our commitment to quality is underpinned by an ISO9001 certified manufacturing process, ensuring consistent product excellence from raw material inspection to final testing. Serving a diverse clientele across six continents, from Eastern Europe to Oceania, our valves are trusted in some of the world's most challenging industrial and marine environments. Choosing our GB/T Carbon Steel Gate Valve means partnering with a manufacturer that combines rigorous quality control with a deep understanding of global application needs. We invite you to contact us with your specific size, pressure, and standard requirements to receive a tailored solution and quotation.
Frequently Asked Questions (FAQ):
-
Q: What is the primary advantage of a gate valve in oil transfer systems?
A: Gate valves are ideal for isolation where a full, unobstructed flow path is needed when open and a tight, leak-proof seal is required when closed. Their simple design offers reliability for on/off service. -
Q: Can this valve handle other media besides oil?
A: Yes, while optimized for oil, it is suitable for a range of fluids including water, gas, and other non-aggressive media compatible with carbon steel, within its specified pressure and temperature ratings. -
Q: What does "OS&Y" (Outside Screw & Yoke) design mean?
A: This design features a stem that rises out of the handwheel as the valve is opened. It provides a clear visual indication of the valve's open/closed status and keeps the threaded portion outside the valve body, protecting it from the flow media. -
Q: Are these valves suitable for frequent operation or throttling?
A: Gate valves are designed primarily for isolation (fully open or fully closed). They are not recommended for frequent operation or for throttling/regulating flow, as this can cause vibration and damage to the seating surfaces. -
Q: What surface treatment is applied for corrosion protection?
A> Standard valves receive a protective paint coating. For enhanced marine corrosion resistance, options like epoxy coating or galvanization can be discussed based on your specific environmental conditions. -
Q: Do you provide documentation like test reports and material certificates?
A> Yes, as an ISO9001 certified manufacturer, we can provide standard documentation including shell and seat test reports, material chemical and mechanical property certificates, and full inspection records upon request. -
Q: What is the lead time for standard sizes?
A> Lead times vary based on order quantity and specifications. For standard DN50-DN300, PN25 valves, typical production time is 4-6 weeks, plus shipping. We provide accurate timelines with every quotation. -
Q: How do I determine the correct pressure class (PN16, PN25, PN40) for my application?
A> The pressure class should be selected based on the maximum working pressure and temperature of your system, including any safety factors. Our technical team can assist you in selecting the appropriate class based on your system parameters.
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1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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