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Home > Industrial Equipment & Components > Valve > Ball Valve > DIN 3357 Marine Ball Valve OEM Production, Carbon Steel With PTFE Seat

DIN 3357 Marine Ball Valve OEM Production, Carbon Steel With PTFE Seat

DIN 3357 Marine Ball Valve OEM Production, Carbon Steel With PTFE Seat thumbnail-3

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Product Spotlights

DIN 3357 standard marine ball valve for reliable shipboard fluid control. Features a durable carbon steel body with corrosion-resistant coating options and a PTFE seat for bubble-tight sealing against seawater and fuels. Offers robust construction, easy quarter-turn operation, and full OEM customization for seamless integration. Backed by ISO9001 certification and global export expertise.

Negotiable MOQ: 1 Unit (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, Carbon Steel Body with PTFE Seat

Standard:

DIN 3357

Application:

Other, Marine

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Shanghai Zhibang Valve Manufacture Co.,ltd

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
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Material Other, Carbon Steel Body with PTFE Seat

Standard DIN 3357

Application Other, Marine

Connection Type Flanged End (DIN standard)

Seat Material PTFE (Polytetrafluoroethylene)

Operation Manual Lever Handle

Pressure Rating PN16/PN25/PN40 (Customizable)

Temperature Range -20°C to +180°C (with PTFE seat)

Size Range DN15 to DN300 (1/2“ to 12“)

Brand Zhibang Valve (OEM Production Available)

As a leading manufacturer with ISO9001-certified production systems, Shanghai Zhibang Valve specializes in delivering high-performance fluid control solutions for demanding marine environments. Our DIN 3357 Marine Ball Valve, constructed from robust carbon steel and featuring a reliable PTFE seat, is engineered to provide exceptional sealing performance and long-term durability against corrosive seawater and harsh offshore conditions. We offer comprehensive OEM production services, ensuring valves meet your precise specifications for integration into shipboard piping systems, offshore platforms, and port facilities. With an annual export value exceeding US$1 million and a strong presence across global markets from North America to Southeast Asia, our commitment to quality and reliability is proven.

This valve is designed to meet the rigorous standards of marine applications, offering a perfect balance of strength, corrosion resistance, and operational efficiency.

Key Features & Technical Specifications:

Superior Corrosion Resistance: The carbon steel body is typically treated with anti-corrosion coatings (e.g., epoxy, galvanization) suitable for marine atmospheres, while the PTFE seat provides excellent chemical inertness.
Reliable Sealing: The PTFE (Teflon) seat ensures a bubble-tight seal, minimizing leakage and ensuring safe operation in critical marine systems such as ballast, cooling, and fuel lines.
Robust Construction: Manufactured in compliance with DIN 3357 standards, the valve features a sturdy flanged connection for secure and stable installation in piping networks.
Easy Operation & Maintenance: The standard lever handle allows for quick 90-degree quarter-turn operation. The design facilitates easy inspection and maintenance, reducing downtime.
Wide Compatibility: Suitable for a broad range of media including seawater, fresh water, fuels, oils, and air within its specified temperature and pressure limits.
OEM Flexibility: We tailor dimensions, pressure ratings, surface treatments, and marking to your specific requirements for seamless OEM integration.

Detailed Technical Parameters:

Parameter	Specification
Design Standard	DIN 3357
Body Material	Carbon Steel (WCB, A216 equivalent)
Seat Material	PTFE (Polytetrafluoroethylene)
Pressure Rating (PN)	PN16, PN25, PN40 (Available upon request)
Temperature Range	-20°C to +180°C (Dependent on seat material)
Port Size Range	DN15 (1/2") to DN300 (12")
Connection Ends	Flanged as per DIN standard
Operation	Manual Lever Handle (Gearbox optional)

Benefits for Your Marine Projects:

Enhanced System Safety: The reliable shut-off capability prevents unintended media flow, protecting sensitive marine equipment.
Reduced Lifetime Cost: Durable construction and corrosion-resistant materials minimize maintenance needs and replacement frequency.
Global Standard Compliance: Adherence to DIN 3357 ensures compatibility with European and international marine piping specifications.
Supply Chain Efficiency: Our OEM capability means you receive valves ready for installation, reducing your assembly time and inventory complexity.

Trust in a supplier with a proven track record. Since our establishment in 2016, Shanghai Zhibang Valve has consistently served a diverse clientele across North America, South America, Europe, Asia, Africa, and Oceania, exporting over US$1 million in valves annually. Our products ship efficiently from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing. Choosing our DIN 3357 Marine Ball Valve means selecting a component backed by ISO9001 quality management and a manufacturer dedicated to meeting the precise needs of the global marine industry. Contact us today to discuss your OEM requirements or to request a detailed quotation.

Frequently Asked Questions (FAQ)

Q: What does "DIN 3357" specify for this ball valve?
A: DIN 3357 is a German industrial standard that defines the dimensions, materials, pressure ratings, and testing requirements for flanged ball valves. It ensures interchangeability and reliable performance within piping systems designed to this standard.
Q: Why is a PTFE seat preferred for marine ball valves?
A: PTFE offers outstanding chemical resistance against seawater, salts, and various fuels/oils. It provides a low-friction, self-lubricating surface for smooth operation and excellent sealing with minimal torque, even after long periods of inactivity.
Q: Can this valve be used for other applications besides marine?
A: Yes. While designed for marine harshness, its robust construction makes it suitable for other industrial applications involving water, oil, gas, and mild chemicals within its pressure and temperature limits, such as in power plants or chemical processing.
Q: What surface treatment is applied to the carbon steel body for corrosion protection?
A: Standard treatments include epoxy coating or hot-dip galvanizing. The specific treatment can be customized (available upon request) based on your environmental exposure requirements and specifications.
Q: Do you provide documentation and certification with the valves?
A: Yes, we provide essential documentation such as a material test report, dimensional drawing, and a certificate of compliance. Our production is ISO9001 certified, ensuring consistent quality control.
Q: What is your minimum order quantity (MOQ) for OEM production?
A: MOQ can vary depending on valve size and customization level. We are flexible and encourage you to contact us with your project details to discuss feasible quantities, often accommodating small trial orders.
Q: What are the available actuation options beyond the manual lever?
A: We can equip the valve with pneumatic, hydraulic, or electric actuators for remote or automated control. Gear operators are also available for high-torque applications.
Q: How do you ensure quality control during OEM production?
A: Our ISO9001 system governs the entire process, from raw material inspection to final testing. Each valve typically undergoes pressure tests (shell and seat) and dimensional checks per relevant standards before shipment.