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Home > Industrial Equipment & Components > Valve > Ball Valve > Marine Ball Valve for Desulfurization Tower With Extended Warranty and Mill Test Report

Marine Ball Valve for Desulfurization Tower With Extended Warranty and Mill Test Report

Marine Ball Valve for Desulfurization Tower With Extended Warranty and Mill Test Report thumbnail-3

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Marine Ball Valve for Desulfurization Tower With Extended Warranty and Mill Test Report photo-4

Marine Ball Valve for Desulfurization Tower With Extended Warranty and Mill Test Report photo-5

Product Spotlights

Engineered for harsh marine desulfurization environments with corrosion-resistant materials and robust sealing. Includes an extended warranty for reliability and a Mill Test Report for full material traceability. Designed to ensure compliance, reduce lifecycle costs, and minimize downtime in critical FGD systems.

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

Key Specifications

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Material:

Other, Carbon steel, Stainless steel, Alloy steel

Application:

Other, Marine desulfurization tower

Size Range:

DN15 to DN600 (1/2“ to 24“)

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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
Company Profile
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Material Other, Carbon steel, Stainless steel, Alloy steel

Application Other, Marine desulfurization tower

Size Range DN15 to DN600 (1/2“ to 24“)

Connection Type Flanged, Threaded, Welded ends

Pressure Rating PN10 to PN100, Class 150 to Class 600

Operation Type Manual lever, Gear operator, Pneumatic, Electric

Seat Material PTFE, Reinforced PTFE, Metal seated options

Body Design Full port, Reduced port, Three-piece construction

Temperature Range -20°C to 200°C (-4°F to 392°F)

Special Feature Extended warranty, Mill test report provided

As a specialized manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. brings over 8 years of industrial expertise to the demanding field of marine and environmental systems. Our Marine Ball Valve for Desulfurization Towers is engineered specifically to withstand the harsh, corrosive environments of flue gas desulfurization (FGD) processes on vessels and offshore platforms. This product represents our commitment to providing reliable flow control solutions that ensure operational safety, environmental compliance, and long-term cost efficiency for our global clients across North America, Europe, Asia, and beyond.

The core value of this valve lies in its robust construction and specialized design, which directly addresses the unique challenges of marine desulfurization applications. We understand that system downtime in these critical processes can lead to significant financial losses and regulatory penalties. Therefore, we have developed this valve with enhanced durability features and back it with a comprehensive extended warranty, providing our customers with peace of mind and predictable maintenance costs. Each unit is accompanied by a detailed Mill Test Report (MTR), offering full traceability and verification of material properties and manufacturing quality.

Key Technical Features & Design Advantages:

Corrosion-Resistant Materials: Available in a range of materials including carbon steel with specialized coatings, 316 stainless steel, and duplex stainless steels to combat the aggressive chemistry of scrubber slurry and flue gas condensates.
High-Performance Sealing: Features advanced seat materials such as PTFE or reinforced polymers that maintain integrity against abrasive particles commonly found in desulfurization media, minimizing fugitive emissions.
Robust Stem Design: Incorporates a blow-out proof stem and reinforced packing system to prevent stem ejection under high pressure, a critical safety feature for marine applications.
Fire-Safe Design Option: Certain models can be configured with fire-safe features where the metal secondary seal engages in case of primary seal failure during extreme conditions.
Low Torque Operation: Precision-machined ball and seats ensure smooth, low-torque operation even after prolonged periods of inactivity, which is common in standby scrubber systems.
Extended Body & Neck: Optional extended body and neck designs are available to accommodate thick insulation or to position the operating mechanism outside of hot or hazardous areas for safer maintenance.

Detailed Specifications & Configuration Options:

Parameter	Specification / Options
Design Standard	API 608, API 6D, BS 5351, ISO 17292
Face-to-Face	Per API 609 (Short Pattern) or ASME B16.10
Flange Standards	ASME B16.5, ASME B16.47, JIS, DIN, BS
Test Standards	API 598, ISO 5208
Leakage Class	Bubble-tight (Soft Seat), Class IV/V/VI per API 598 (Metal Seat)
Actuation Options	Manual (Lever, Gear), Pneumatic (Double-acting, Spring-return), Electric (On/Off, Modulating)

Benefits for Your Desulfurization System:

Enhanced System Reliability: Reduces unplanned shutdowns of critical FGD scrubbers, ensuring continuous compliance with IMO 2020 sulfur cap regulations and other environmental standards.
Reduced Lifecycle Cost: The extended warranty and durable construction lower total cost of ownership by minimizing replacement frequency and maintenance interventions.
Simplified Procurement & Documentation: The included Mill Test Report streamlines material verification for class society approvals (e.g., ABS, DNV, LR) and simplifies audit trails.
Operational Safety: Designed with marine safety in mind, featuring secure operation and materials suitable for the specific fire and hazard zones on vessels.
Flexibility & Compatibility: Available in various sizes, pressure ratings, and end connections to seamlessly integrate into new builds or retrofit existing desulfurization towers.

With an established annual export value and a proven track record of supplying to diverse global markets from our strategic shipping ports, Shanghai Zhibang has built a reputation for delivering quality industrial valves. Our focus on the marine and FGD sectors means we possess deep application knowledge. Choosing our Marine Ball Valve is not just a purchase; it's a partnership for ensuring the reliability and environmental performance of your vessel's emission control system. We invite you to contact us with your specific project requirements for a detailed quotation and technical consultation.

Frequently Asked Questions (FAQ):

Q: What specific materials are recommended for the valve body and trim in a seawater scrubber application?
A: For typical seawater FGD systems, we often recommend 316 stainless steel or duplex stainless steels (e.g., 2205) for the body and trim due to their excellent resistance to chloride-induced stress corrosion cracking. For brackish or fresh water systems, coated carbon steel may be a suitable and cost-effective option. The final selection should be based on a full analysis of the scrubber slurry chemistry.
Q: How does the extended warranty work, and what does it cover?
A: Our extended warranty program provides coverage beyond standard terms for specific components like the seat and stem seals against defects in material and workmanship under normal service conditions. The exact duration and terms are provided with the quotation and are contingent on proper installation, operation, and maintenance as per our guidelines.
Q: Is the Mill Test Report (MTR) provided for all materials?
A: Yes, a comprehensive MTR is provided for all pressure-containing parts (body, ball, stem, etc.). This report includes chemical composition, mechanical properties (yield strength, tensile strength, elongation), and heat treatment records, ensuring full material traceability to the original melt.
Q: Can these valves be supplied with specific certifications for marine classification societies?
A> We have experience supplying valves that meet the requirements of major classification societies such as ABS, DNV, BV, and Lloyd's Register. Certification services are available upon request. Please specify your required class approval during the inquiry stage.
Q: What is the typical delivery lead time for an order?
A: Lead times vary based on size, material, and actuation requirements. Standard configurations typically have a shorter lead time, while customized or large-diameter valves may require more production time. We provide estimated lead times with every quotation and strive to meet project schedules.
Q: Are these valves suitable for both open-loop and closed-loop desulfurization systems?
A: Yes, our valve design is adaptable. The key difference lies in material selection. Open-loop systems using seawater are more corrosive, necessitating higher-grade alloys. Closed-loop systems with treated water may allow for different material choices. We can advise on the optimal specification for your system type.
Q: Do you offer actuated versions, and what are the control signal options?
A> We offer a full range of actuation packages. Pneumatic actuators can be supplied for on/off duty, often with 4-20mA position feedback. Electric actuators are available for modulating control or on/off operation, with various input signal options (e.g., 4-20mA, 0-10V) and communication protocols customizable upon request.
Q: What kind of after-sales support and spare parts availability do you provide?
A> We maintain a stock of common spare parts such as seat seals, stem packing, and gaskets. Technical support is available for installation and troubleshooting. Our global market presence facilitates logistical support for our international customers.