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Home > Industrial Equipment & Components > Valve > Ball Valve > Two-Piece Marine Ball Valve for Ballast Water Systems, Reinforced PTFE Seats, Blowout-Proof Stem
Two-Piece Marine Ball Valve for Ballast Water Systems, Reinforced PTFE Seats, Blowout-Proof Stem
Product Spotlights
Engineered for ballast water systems, this two-piece marine ball valve features reinforced PTFE seats for superior chemical resistance and a blowout-proof stem for critical safety. Its design ensures reliable, leak-tight sealing, easy maintenance, and long service life in harsh marine environments, backed by ISO9001 certified manufacturing and global export experience.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Reinforced PTFE Seats, Blowout-Proof Stem
Type:
Other, Two-Piece Marine Ball Valve
Application:
Other, Ballast Water Systems
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Reinforced PTFE Seats, Blowout-Proof Stem
Type
Other, Two-Piece Marine Ball Valve
Application
Other, Ballast Water Systems
Configuration
Two-Piece Design
Connection
Flanged or Threaded (Standard)
Pressure Rating
Class 150/300 (Standard)
Size Range
1/2 inch to 12 inch (Standard)
Operation
Lever, Gear, or Actuator Operated
As a specialized manufacturer with a strong commitment to maritime fluid control, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our Two-Piece Marine Ball Valve, engineered specifically for the demanding environment of ballast water systems. Since our establishment in 2016, we have focused on delivering reliable and durable valve solutions that meet the rigorous standards of the global marine industry. This valve is a testament to our expertise, designed to provide exceptional sealing performance, operational safety, and long-term reliability in critical shipboard applications.
The core of this valve's superior performance lies in its advanced material selection and robust construction. The reinforced PTFE (Polytetrafluoroethylene) seats offer outstanding chemical resistance against seawater, biocides, and various treatment chemicals used in ballast water management systems. Combined with a blowout-proof stem design, this valve ensures a secure and leak-tight operation, preventing stem ejection under high-pressure conditions and enhancing overall system safety.
Key Features & Technical Advantages:
- Enhanced Sealing Integrity: The reinforced PTFE seats provide a bubble-tight seal, minimizing the risk of internal or external leakage, which is critical for environmental protection and operational efficiency.
- Superior Corrosion Resistance: The valve body and critical components are typically constructed from materials like ASTM A216 WCB carbon steel, CF8M stainless steel, or other alloys suitable for marine service, offering excellent resistance to seawater corrosion.
- Blowout-Proof Stem Design: A safety-critical feature that prevents the stem from being forcibly ejected under pressure, protecting personnel and equipment.
- Two-Piece Construction: This design allows for easier maintenance and inspection. The body can be separated without removing the valve from the pipeline, simplifying seat replacement or internal inspection.
- Low Operating Torque: The design ensures smooth quarter-turn operation, reducing the effort required for manual operation and extending the life of gear operators or actuators.
- Full Port or Standard Port: Available in configurations to minimize pressure drop (full port) or for standard flow applications, providing flexibility for different system designs.
Detailed Technical Specifications:
| Parameter | Specification |
| Valve Type | Two-Piece Floating Ball Valve |
| Design Standard | API 608, ASME B16.34 |
| Pressure Rating | Class 150, Class 300 (Common) |
| Temperature Range | -20°C to 200°C (with PTFE seats) |
| End Connection | Flanged (RF, RTJ), Threaded (NPT, BSP) |
| Seat Material | Reinforced PTFE (RPTFE) |
| Stem Design | Blowout-Proof, Anti-Static |
| Fire Safe Design | Optional (API 607/API 6FA) |
Benefits for Your Ballast Water System:
- Reliability: Minimizes unplanned downtime and maintenance costs associated with valve failure.
- Compliance: Helps in meeting the stringent requirements of ballast water treatment system manufacturers and international maritime regulations.
- Safety: The blowout-proof stem is a vital safety feature for high-pressure ballast lines.
- Long Service Life: Corrosion-resistant materials and durable seat design extend valve life in harsh seawater environments.
- Operational Efficiency: Easy operation and low maintenance requirements contribute to lower total cost of ownership.
Shanghai Zhibang's commitment to quality is underscored by our ISO9001 certification, ensuring consistent manufacturing processes and product reliability. With an annual export value ranging between US$1 Million and US$1.5 Million, our products have gained the trust of clients across North America, South America, Europe, Asia, Africa, and Oceania. Our strategic location in Shanghai allows for efficient logistics through major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring timely delivery to your project site. Choose our Two-Piece Marine Ball Valve for a robust, safe, and dependable solution that stands up to the challenges of modern ballast water management. Contact us today to discuss your specific requirements or to request a detailed quotation.
Frequently Asked Questions (FAQ):
-
Q: Why is a two-piece design preferred for marine ballast valves?
A: The two-piece design offers significant maintenance advantages. It allows the valve body to be split for internal inspection, seat replacement, or cleaning without completely removing the valve from the pipeline. This reduces downtime and maintenance labor costs onboard vessels. -
Q: What makes reinforced PTFE (RPTFE) a suitable seat material for ballast water systems?
A: RPTFE offers enhanced mechanical strength and creep resistance compared to standard PTFE. It maintains excellent chemical inertness against seawater, chlorination, UV treatment, and other aggressive chemicals used in ballast water treatment, ensuring a long-lasting, reliable seal. -
Q: How does the blowout-proof stem mechanism work?
A: The stem is designed with a shoulder or a larger diameter section at the bottom. Under pressure, this shoulder seats against a matching surface inside the valve body, mechanically locking the stem in place and preventing it from being forced out, even if the packing or retaining mechanism is compromised. -
Q: Can this valve be automated?
A: Yes, this valve is compatible with pneumatic, hydraulic, or electric actuators. The standard design includes a mounting pad according to ISO 5211 or other standards, allowing for easy integration with various actuators for remote or automated control. -
Q: What material options are available for the valve body and trim?
A: Common body materials include carbon steel (WCB) with suitable coatings, 316/316L stainless steel (CF8M), duplex stainless steel, and other alloys. The specific material can be selected based on the corrosiveness of the ballast water and the required service life. -
Q: Is this valve suitable for both above-deck and below-deck ballast piping?
A: Absolutely. The valve's construction materials and sealing design are developed to withstand the marine environment both inside tanks/pipes and in exposed locations, though specific material selection (e.g., higher-grade stainless for exposed areas) may be recommended. -
Q: Do you offer fire-safe certified versions of this valve?
A: Fire-safe design is an optional feature. Valves can be manufactured to meet the testing requirements of standards like API 607 or API 6FA, which include secondary metal sealing to maintain sealing integrity in the event of a fire. -
Q: What is your typical lead time for orders?
A: Lead times vary based on order quantity, size, material specification, and optional features. Standard configurations typically have shorter lead times. Please contact our sales team with your specific requirements for an accurate delivery schedule.
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1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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