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Help CenterMarine Stainless Steel Flanged Stop Valve B/BS Angle Type With Certificates From Major Classification Societies
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Product Overview
The Marine Stainless Steel Flanged Angle Stop Valve is a critical valve designed for precise on/off control in shipboard piping systems. Characterized by its 90-degree angle body design, it facilitates fluid directional change within a compact footprint, ideal for space-constrained engine rooms and bilges. Manufactured from corrosion-resistant stainless steel, it provides exceptional durability against seawater, chemicals, and marine atmospheric conditions.
Key Features & Design
Superior Corrosion Resistance: The valve body, disc, and stem are made from selected stainless steel grades, offering outstanding resistance to seawater, bilge water, oils, and mild chemicals-1.
Rugged Flanged Connections: Equipped with standardized flanges for robust, leak-proof connections to ship piping. The design ensures compatibility with marine piping specifications.
Two Major Design Standards: Available in two primary series to meet different project requirements-1:
B Type: Designed in accordance with the CB/T 3942-2002 standard for the Chinese shipbuilding industry-1.
BS Type: A variant built to international maritime specifications, such as GB/T 2501 dimensions, commonly recognized in global shipbuilding-1-4.
Technical Specifications & Compliance
This valve meets stringent requirements for pressure, temperature, and material integrity. The following table summarizes its core technical parameters and compliance:
| Specification Category | Details |
|---|---|
| Design Standard | B Type: CB/T 3942-2002-1; BS Type: Meets specifications based on standards like GB/T 2501-1. |
| Nominal Pressure (PN) | Typically available in PN10, PN16, PN25, and up to PN64 ratings-1. |
| Nominal Diameter (DN) | Common sizes range from DN15 to DN400, covering most shipboard applications-1-5. |
| Suitable Media | Seawater, Fresh water, Compressed air, Fuel oil, Lubricating oil, Chemical media, Steam. |
| Temperature Range | Standard models from -165°C to +425°C, suitable for diverse systems from cryogenic to high-temperature services-1. |
| Body Material | Cast or forged Stainless Steel (e.g., CF8/304, CF8M/316). |
| Seat & Seal | Stainless steel, reinforced PTFE, or other engineered materials based on media. |
| End Connection | Raised Face Flanges as per maritime standards (e.g., GB/T 569, GB/T 2501)-1. |
| Test Standards | Shell Test & Seat Test performed in line with GB/T 600 or equivalent maritime valve test standards-1. |
Certifications & Classification Society Approvals
To ensure global acceptance and safety compliance, our manufacturing process and final products can be certified by major international Classification Societies. These certifications are granted upon successful audit of our quality system and product type approval tests.
Available Approvals: Our valves can be supplied with valid product certificates from societies including but not limited to:
CCS (China Classification Society)
ABS (American Bureau of Shipping)
BV (Bureau Veritas)
DNV (Det Norske Veritas)
GL (Germanischer Lloyd)
LR (Lloyd's Register)
NK (Nippon Kaiji Kyokai)
RINA (Registro Italiano Navale)
KR (Korean Register of Shipping)-6.
Certification Scope: Approvals typically cover material, design, manufacture, and testing, ensuring the valve is fit for purpose on classed vessels.
Applications Onboard
Ballast Water Systems
Bilge & Drainage Lines
Cooling Water Circuits (seawater & freshwater)
Fuel Oil and Lube Oil Transfer Lines
Compressed Air Systems
Firefighting Systems
General Service and Chemical Piping
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