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Help CenterOil Tanker Flanged Wedge Gate Valve CB/T3591-2005 Full Bore Low Flow Resistance
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Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016, is a professional manufacturer specializing in marine and industrial valves. Our Oil Tanker Flanged Wedge Gate Valve CB/T3591-2005 Full Bore Low Flow Resistance is designed to meet the demanding requirements of oil tanker piping systems. With a fully bored design that minimizes pressure drop and a reliable wedge gate structure, this valve ensures efficient flow control and long service life. Backed by ISO9001 certification and over US$1 million in annual exports, we deliver quality and performance trusted by clients across North America, Europe, Asia, and beyond.
Key Features & Technical Specifications
- Full Bore Design: Provides unobstructed flow, reducing turbulence and energy loss – ideal for high-viscosity fluids in oil tankers.
- Low Flow Resistance: Optimized disc and seat geometry ensure minimal pressure drop, enhancing system efficiency.
- Compliant with CB/T3591-2005: Manufactured strictly according to Chinese marine standard, guaranteeing interchangeability and reliability.
- Flanged Connection: Easy to install and maintain, available in various flange standards (PN16/PN25, ANSI, etc.).
- Robust Material Options: Choose from carbon steel, stainless steel, or alloy steel to suit different media and operating conditions.
- Wedge Gate Mechanism: Self-cleaning and wear-resistant, providing tight shut-off even after prolonged use.
- Customizable: Actuator options, stem extensions, and special coatings available upon request.
| Parameter | Specification |
| Size Range | DN50 – DN600 (2″ – 24″) |
| Pressure Rating | PN16 / PN25 (customizable) |
| Body Material | WCB / CF8 / CF8M (or as required) |
| Trim Material | 13Cr / SS304 / SS316 |
| Design Standard | CB/T3591-2005 |
| Flange Standard | JB/T 79.1, GB/T 9113, ANSI B16.5 (optional) |
| Operation | Handwheel / Gearbox / Electric actuator |
| Test Pressure (Shell) | 1.5 x rated pressure |
Our gate valve delivers clear advantages to customers: reduced energy consumption due to low flow resistance, extended service life thanks to robust wedge design, and easy maintenance with accessible bonnet and flanged ends. Whether for cargo oil, ballast, or bunker systems, this valve ensures reliable isolation and flow control under harsh marine environments.
Shanghai Zhibang Valve has been a trusted exporter since 2016, with annual export value exceeding US$1 million. We serve clients in over 20 countries across North America, Europe, Southeast Asia, and the Middle East. Our ISO9001 quality management system ensures every valve undergoes rigorous testing, including hydrostatic and shell tests. With flexible shipping from Shanghai, Guangzhou, Hong Kong, and Beijing, we deliver on time and provide comprehensive after-sales support. Contact us today for a quote or technical consultation – your satisfaction is our priority.
Frequently Asked Questions
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Q: What is the main advantage of a full bore gate valve?
A: Full bore design offers minimal flow resistance, allowing full pipe flow without pressure loss, which is critical for oil tanker pump systems and high-viscosity fluids. -
Q: Is this valve suitable for seawater applications?
A: Yes, with appropriate material selection (e.g., stainless steel or duplex), it can be used for ballast water and seawater systems. Please specify the media when ordering. -
Q: Can you provide valves with different pressure ratings?
A: Absolutely. While standard is PN16/PN25, we can customize to PN40 or Class 150/300 upon request. Confirm with our sales team. -
Q: What is the typical lead time?
A: For standard sizes, lead time is 15–25 working days. Custom orders may require 30–45 days depending on complexity. -
Q: Do you offer certificates for material and testing?
A: Yes, we provide material certificates, hydrostatic test reports, and compliance certificates per ISO9001 and CB/T3591-2005. Third-party inspection is also available. -
Q: How do I choose the correct size for my pipeline?
A: Select a valve with the same nominal diameter as your pipe. For best flow performance, the full bore design ensures no reduction. Contact our engineers for sizing assistance. -
Q: Can I get a sample order before mass production?
A: Yes, sample orders are welcome. We can produce a single unit for evaluation, with sample cost refundable upon bulk order. -
Q: What payment terms do you accept?
A: We accept T/T, L/C, and other mutually agreed terms. For new clients, a 30% deposit is required, balance before shipment.
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