CB/T3591-2005 Marine Flanged Gate Valve For Oil Tanker PN1.0 DN80-DN400 A AS B BS Type
Product Spotlights
Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016 with ISO9001 certification, is proud to offer the CB/T3591-2005 Marine Flanged Gate Valve designed specifically for oil tanker applications. This valve complies with the Chinese standard CB/T3591-2005, ensuring reliable performance in demanding marine environments. Available in pressure rating PN1.0 and diameter range DN80 to DN400, it comes in A, AS, B, and BS types to meet various installation requirements. Our factory utilizes advanced manufacturing processes and strict quality control to deliver valves that provide leak-free operation and long service life.
Key Features & Technical Specifications
- Robust Structure: The gate valve features a rising stem or non-rising stem design depending on the type (A, AS, B, BS), suitable for different mounting spaces.
- Flanged Connection: Standard flanged ends for easy installation and maintenance, compatible with mating flanges as per CB/T standards.
- Pressure Rating: PN1.0 (1.0 MPa) suitable for low-pressure oil tanker systems.
- Material Options: Body materials include cast iron, ductile iron, and cast steel (optional), with trim materials selected for seawater and oil resistance.
- Sealing Performance: Metal-to-metal seat or soft seal options available upon request, ensuring bubble-tight shutoff.
- Operation: Handwheel operated with square nut or gearbox for larger sizes (optional).
- Certification: Manufactured under ISO9001 quality management system, with material certificates available upon request.
| Parameter | Details |
|---|---|
| Standard | CB/T3591-2005 |
| Type | A, AS, B, BS |
| Nominal Pressure | PN1.0 |
| Nominal Diameter | DN80 – DN400 |
| Connection | Flanged (Raised face or flat face optional) |
| Body Material | Cast Iron, Ductile Iron, Cast Steel (upon request) |
| Seat Material | Bronze, Stainless Steel, or Non-metallic (optional) |
| Stem Material | Brass or Stainless Steel |
| Applicable Media | Oil, seawater, fresh water, and other non-corrosive fluids |
Advantages for Your Application
- Designed specifically for marine oil tanker systems, ensuring compatibility with cargo oil piping and ballast lines.
- Available in four types (A, AS, B, BS) to match different face-to-face dimensions and seat configurations, providing flexibility for new builds and retrofits.
- Low torque operation with optimized handwheel design reduces operator fatigue.
- Corrosion-resistant materials and coatings extend service life in harsh marine environments.
- Quick availability of spare parts and technical support from our experienced team.
- Customizable options such as extended stem, gearbox, locking device, and special coatings.
Frequently Asked Questions
-
Q: What is the difference between type A, AS, B, and BS?
A: These types refer to different face-to-face dimensions and seat designs as per CB/T3591-2005. Type A and AS are for rising stem, while B and BS are for non-rising stem. AS and BS have a different seat configuration. Please consult our technical datasheet for exact dimensions. -
Q: Can this valve be used for other media besides oil?
A: Yes, it is suitable for seawater, fresh water, and other non-corrosive fluids. For aggressive media, please contact us for material upgrade options. -
Q: What is the maximum operating temperature?
A: Typically up to 120°C for standard materials. Higher temperature options are available upon request. -
Q: Do you provide a test certificate?
A: Yes, we provide material certificates, hydrostatic test certificates, and a certificate of conformity as standard. Additional third-party inspection is available upon request. -
Q: What is the delivery time?
A: For standard sizes (DN80-DN200), lead time is 15-25 days after order confirmation. Larger sizes may require 30-45 days. Please inquire for current stock. -
Q: Can I get a sample before bulk order?
A: Yes, sample orders are accepted. We can provide a sample valve for evaluation, with the cost deducted from the mass production order. -
Q: What is the warranty period?
A: We offer a 12-month warranty from the date of shipment against manufacturing defects. Extended warranty is available upon negotiation. -
Q: How do you ensure quality?
A: Our factory is ISO9001 certified. Every valve undergoes 100% pressure testing and dimensional inspection before shipment. We also conduct random material analysis.
Since 2016, Shanghai Zhibang Valve has been dedicated to supplying high-quality marine valves to clients worldwide. With an annual export value of US$1 million to US$1.5 million, we serve markets across North America, South America, Europe, Asia, Africa, and Oceania. Our experienced team ensures strict compliance with international standards and provides prompt after-sales support. We invite you to contact us for a competitive quotation or technical consultation. Trust Shanghai Zhibang Valve for your marine gate valve needs.
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