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Marine Gate Valve Supplied With Full Material Mill Test Report & Warranty
Product Spotlights
Marine-grade gate valves supplied with full material traceability via Mill Test Reports for regulatory compliance. Features corrosion-resistant materials (bronze, cast steel, stainless steel), multiple operation types, and international standard designs. Backed by a manufacturer's warranty and ISO9001 quality system, ensuring reliable performance in shipbuilding, offshore, and port applications worldwide.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Bronze, Cast Steel, Stainless Steel
Application:
Other, Shipbuilding
Connection Type:
Flanged, Threaded, Welded
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Bronze, Cast Steel, Stainless Steel
Application
Other, Shipbuilding
Connection Type
Flanged, Threaded, Welded
Pressure Rating
PN10-PN40, Class150-Class300
Size Range
DN15-DN600, 1/2“-24“
Operation Method
Handwheel, Gear, Electric, Pneumatic
Seat Material
Metal Seated, Resilient Seated
Design Standard
ISO, JIS, DIN, ANSI, GB
Body Style
OS&Y, Bolted Bonnet, Pressure Seal Bonnet
End Connection
RF, RTJ, BW, SW
As a specialized marine valve manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. understands the critical demands of maritime applications for reliability and compliance. Our Marine Gate Valves are engineered to meet the rigorous standards of shipbuilding, offshore platforms, and port facilities worldwide. We are proud to supply each valve with a comprehensive Full Material Mill Test Report and a robust Warranty, providing you with complete traceability and peace of mind. With an annual export value between US$1 Million and US$1.5 Million, our products have proven their worth across diverse markets from North America and Europe to Southeast Asia and Africa.
Our Marine Gate Valves are designed for dependable flow isolation in demanding marine environments. Here are the key features and specifications:
- Superior Construction & Materials: Manufactured from premium-grade materials including bronze, cast steel, and stainless steel to resist corrosion from seawater, bilge water, and harsh marine atmospheres.
- Full Material Traceability: Every valve is supplied with a detailed Mill Test Report (MTR) certifying the chemical composition and mechanical properties of all primary components, ensuring material integrity.
- Robust Sealing Performance: Features metal-to-metal or resilient seated designs to provide a tight, leak-proof seal essential for watertight integrity and system safety.
- Versatile Operation: Available with handwheel, gear operator, electric actuator, or pneumatic actuator options to suit various automation and accessibility requirements.
- Comprehensive Warranty Coverage: Backed by a clear warranty policy that covers defects in materials and workmanship, demonstrating our confidence in product quality.
- Global Standard Compliance: Designed and tested to meet international standards such as ISO, JIS, DIN, ANSI, and GB, facilitating global procurement and installation.
The technical advantages translate into significant benefits for your operations:
- Enhanced Safety & Compliance: The provided MTR simplifies class society approval processes (like ABS, DNV, LR, BV) and ensures compliance with stringent maritime regulations.
- Reduced Lifetime Cost: Durable construction and reliable performance minimize maintenance needs, unplanned downtime, and replacement frequency.
- Operational Reliability: Ensures secure isolation of pipelines for ballast, cooling, fuel, firefighting, and other critical shipboard systems.
- Simplified Procurement & Logistics: Our established supply chain from major Chinese ports (Shanghai, Guangzhou, Hong Kong, Beijing) ensures timely delivery to your project site.
Below is a summary of common specifications. Custom configurations are available upon request.
| Parameter | Specification Range |
| Nominal Diameter (DN) | DN15 to DN600 (1/2" to 24") |
| Pressure Rating | PN10, PN16, PN25, PN40 / Class150, Class300 |
| Body Materials | Bronze (C95800), Cast Steel (WCB, WCC), Stainless Steel (CF8, CF8M) |
| Temperature Range | -20°C to +425°C (varies by material) |
| End Connection | Flanged (RF, RTJ), Threaded (NPT, BSP), Butt Weld, Socket Weld |
| Operation Type | Handwheel (Rising Stem), Gear Operator, Electric Actuator, Pneumatic Actuator |
| Face-to-Face | Complies with ISO 5752, ANSI B16.10 standards |
Choosing our Marine Gate Valve means partnering with a manufacturer committed to quality and transparency. Our ISO9001 certification underpins a systematic quality management process. The inclusion of a Full Material Mill Test Report with every unit is not just documentation; it's a commitment to accountability that streamlines your quality audits and regulatory submissions. Supported by our warranty and proven in markets spanning from Oceania to the Middle East, our valves deliver the performance and documentation required for modern maritime engineering. Contact us today to discuss your specific requirements and experience the Zhibang difference in marine fluid control.
Frequently Asked Questions (FAQ)
-
What exactly is included in the Full Material Mill Test Report (MTR)?
The MTR provides certified data from the material mill, including chemical analysis (percentages of elements like C, Mn, Si, etc.), mechanical properties (yield strength, tensile strength, elongation), heat treatment records, and impact test results for the valve's body, bonnet, and stem materials. -
Are these valves suitable for freshwater and seawater applications?
Yes. The material selection (e.g., bronze for seawater, stainless steel for corrosive fluids) determines suitability. We guide you to the optimal material based on your specific service medium (seawater, ballast, fuel, etc.). -
What is the standard warranty period, and what does it cover?
Our standard warranty period is typically 12 months from shipment or 18 months from manufacturing date, whichever comes first. It covers defects in material and workmanship under normal service conditions as specified. -
Can you provide valves with certifications from marine classification societies?
Yes, we can supply valves with optional certification from major classification societies such as ABS, DNV, LR, BV, etc. This requires specific testing and documentation, which can be arranged upon request. -
What are the main differences between metal-seated and resilient-seated gate valves for marine use?
Metal-seated valves offer higher temperature tolerance and durability for abrasive services but may allow minor leakage. Resilient-seated valves (with an elastomer seat) provide bubble-tight shutoff at lower temperatures and are common for water services. The choice depends on system requirements. -
Do you offer customized painting or coating for offshore environments?
Yes. Standard painting is suitable for general marine atmospheres. For highly corrosive offshore/splash zone applications, specialized coatings like epoxy, zinc-rich primers, or specific client specifications can be applied as a customizable option. -
What is the typical lead time for an order?
Lead time depends on valve specifications, material, and quantity. For standard configurations, it typically ranges from 30 to 60 days. We provide accurate lead time estimates with every quotation. -
How do you ensure packaging for overseas sea freight?
Valves are securely packaged in wooden crates or plywood boxes with internal waterproof wrapping (plastic/VCI paper) to prevent corrosion during transit. Flanges are protected, and markings per your instructions are applied.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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