Contact Platform Support
Help Center
Home > Industrial Equipment & Components > Valve > Gate Valve > Pressure Rated Custom Marine Gate Valves Manufactured to GB/T
Pressure Rated Custom Marine Gate Valves Manufactured to GB/T
Product Spotlights
ISO9001 certified custom marine gate valves manufactured to GB/T standards. Fully customizable in size (DN50-DN600), pressure rating (PN10-PN40), material (cast steel, stainless, duplex), and connection. Designed for durability and precise flow control in demanding shipbuilding and offshore applications. Supported by global export experience from major Chinese ports.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Other, Cast Steel, Stainless Steel, Duplex Steel (Optional)
Application:
Other, Marine & Offshore Systems
Size Range:
DN50 to DN600 (Customizable)
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
Related Products
-
Custom Marine Gate Valve GB/T Compliant With Lifetime After-Sales ServiceNegotiableMOQ: 1 Unit -
Low Torque Operation Custom Marine Gate Valve Meeting GB/T StandardsNegotiableMOQ: 1 Unit
-
Corrosion Resistant Marine Gate Valve for Sewage, Flanged Design DN50 to DN200NegotiableMOQ: 1 Unit
-
Full Port Design Customized GB/T Marine Gate Valve for Bulk CarriersNegotiableMOQ: 1 Unit
-
GB/T Marine Cast Iron Gate Valve for Sewage, DN50-DN200, PN1.6MPa Flanged EndNegotiableMOQ: 1 Unit
Material
Other, Cast Steel, Stainless Steel, Duplex Steel (Optional)
Application
Other, Marine & Offshore Systems
Size Range
DN50 to DN600 (Customizable)
Pressure Rating
PN10 to PN40 (Customizable)
Connection Type
Flanged (RF, FF), Optional Socket Weld
Design Standard
Manufactured to GB/T Standards
Operation
Manual (Handwheel), Gearbox Optional
Sealing
Metal-to-Metal, Resilient Seat Optional
Temperature Range
-20°C to +425°C (Depending on Material)
Optional Features
Locking Device, By-pass, Extended Stem
As a specialized manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve Manufacture Co., Ltd. provides robust and reliable solutions for demanding marine environments. Our Pressure Rated Custom Marine Gate Valves are engineered to meet the stringent requirements of shipbuilding, offshore platforms, and marine piping systems. Designed and manufactured in compliance with GB/T standards, these valves offer exceptional durability, precise flow control, and long service life under high-pressure conditions, making them a trusted component for global marine engineering projects.
These gate valves are characterized by their rugged construction and adaptability. We understand that marine applications vary greatly, so we offer extensive customization options to ensure the valve perfectly fits your specific system layout, pressure requirements, and material compatibility needs.
- Customizable Design: Every aspect, from dimensions and pressure rating to material selection and end connections, can be tailored. We produce valves from DN50 to DN600 and pressure classes from PN10 to PN40.
- Material Versatility: Available in cast steel for general service, stainless steel for corrosion resistance, and duplex steel for highly corrosive or high-strength applications. Material choice directly impacts the valve's temperature range and longevity.
- Robust Sealing: Standard design features a reliable metal-to-metal seal for high-temperature and high-pressure stability. A resilient seat option is available for applications requiring tighter shut-off.
- Operational Flexibility: Primarily manual operation via a handwheel. For larger sizes or high-pressure duties, a gearbox operator can be fitted to reduce required torque. Optional features like a locking device or an extended stem for buried boxes are available.
- GB/T Compliance: Manufactured according to Chinese GB/T standards, ensuring dimensional accuracy, material properties, and performance metrics meet recognized industrial benchmarks.
The technical specifications of our standard range are summarized below. Please note all parameters are subject to customization based on your project requirements.
| Parameter | Standard Range / Options |
|---|---|
| Nominal Diameter (DN) | 50, 80, 100, 150, 200, 250, 300, 350, 400, 450, 500, 600 |
| Pressure Rating (PN) | 10, 16, 25, 40 |
| Primary Material | Cast Steel (WCB), Stainless Steel (CF8/CF8M), Duplex Steel |
| Connection Type | Flanged (RF, FF), Socket Weld (Optional) |
| Temperature Range | -20°C to +425°C (Material Dependent) |
| Operation Type | Manual Handwheel, Gearbox Operator (Optional) |
The advantages of choosing our custom marine gate valves extend beyond specification matching. They deliver tangible benefits for your operations:
- System Integrity: A valve built to your exact specifications ensures optimal fit and function, reducing installation issues and potential leak points.
- Cost-Efficiency: Customization avoids the need for adapters or modifications, saving on ancillary parts and installation time.
- Enhanced Safety: Valves rated for your system's maximum pressure provide a critical safety margin, preventing failures in demanding marine conditions.
- Long-Term Reliability: Using appropriate materials for the service environment (seawater, chemicals, high temp) drastically extends valve life and reduces maintenance frequency.
- Global Supply Chain Support: With annual export values between US$1 Million and US$1.5 Million and shipments from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, we have proven experience in reliably supplying products to markets across North America, South America, Europe, Asia, Africa, and Oceania.
Founded in 2016 and backed by ISO9001 certification, Shanghai Zhibang has rapidly established itself as a competent valve manufacturer. Our consistent export performance to diverse global regions demonstrates our capability to meet international quality and delivery expectations. When you require a pressure-rated gate valve that is not just an off-the-shelf item but a precisely engineered component for your marine system, our customization expertise and manufacturing rigor provide a compelling solution. Contact us to discuss your project requirements and receive a tailored proposal.
Frequently Asked Questions (FAQ)
-
Q: What does "Pressure Rated" specifically mean for these valves?
A: It means the valve is designed, manufactured, and tested to safely operate at a designated pressure class (e.g., PN16, PN25). The rating indicates the maximum allowable working pressure the valve body and internals can withstand. -
Q: How extensive is the customization you offer?
A: Customization covers size (DN), pressure rating (PN), material of body and trim, end connection type, operation method (manual/gearbox), and optional accessories like locking devices or extended stems. We tailor the valve to your technical drawings or specifications. -
Q: Are these valves suitable for seawater applications?
A: Yes, when ordered with appropriate materials. Stainless steel (CF8M) or duplex steel options provide excellent corrosion resistance against seawater. Cast steel valves may require specific coatings or are used for less corrosive media. -
Q: What is the significance of manufacturing to GB/T standards?
A: GB/T are Chinese national technical standards. Compliance ensures the valve meets defined requirements for dimensions, materials, pressure testing, and marking. It provides a reliable benchmark for quality and interchangeability. -
Q: Can you provide valves with different face-to-face dimensions than standard?
A: Yes. Face-to-face dimensions can be customized to match your existing pipeline layout or specific space constraints, a common requirement in ship retrofitting or custom builds. -
Q: What is the typical delivery time for a custom order?
A: Delivery time depends on the complexity of customization and order quantity. Generally, it ranges from 30 to 60 days after order confirmation. We provide a estimated timeline during the quotation process. -
Q: Do you offer any testing or certification documentation?
A> As an ISO9001 certified manufacturer, we conduct routine pressure tests and material inspections. Test reports (like hydrostatic test) and material certificates can be provided upon request. -
Q: What are your main shipping ports and markets?
A> We ship regularly from Shanghai, Guangzhou, Hong Kong, and Beijing ports. Our main markets include North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East, demonstrating our global logistics capability.
Send Inquiry to This Supplier
* Email
Want the best price?
Post an RFQ now!
1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
You May Also Like
-
Marine Gate Valve for Sewage Systems, Includes Mill Test Report and 12-Month WarrantyNegotiableMOQ: 1 Unit
-
GB/T Marine Sewage Valve, Cast Iron Construction With Epoxy Coating for Corrosion ResistanceNegotiableMOQ: 1 Unit
-
Marine Ballast Water Gate Valve, GB/T Compliant, Ductile Iron, Zinc Plated, PN10/PN16 Pressure RatingNegotiableMOQ: 1 Unit
-
Marine Sewage System Gate Valve, GB/T Standard, Cast Iron Body With Epoxy CoatingNegotiableMOQ: 1 Unit
-
Gate Valve for Shipboard Sewage Treatment Plant Piping, Cast Iron, Flanged ConnectionNegotiableMOQ: 1 Unit
-
GB/T Marine Gate Valve, For Ballast and Bilge Lines, Cast Steel Construction, PN1.6MPa, Fire-Safe Design OptionNegotiableMOQ: 1 Unit
-
Ship Ballast Water Gate Valve, GB/T Certified, Stainless Steel Trim, Rising Stem, Flanged EndsNegotiableMOQ: 1 Unit
-
Reliable GB/T Gate Valve for Shipyard Ballast Pipework Installation, Full Port, Flanged ConnectionNegotiableMOQ: 1 Unit
-
GB/T Standard Marine Sewage Valve, Supplied With Full Documentation and Material CertificatesNegotiableMOQ: 1 Unit
-
DNV Compliant Cast Iron Gate Valve for Ship Sewage Lines, PN1.6MPa Pressure RatingNegotiableMOQ: 1 Unit
