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Home > Industrial Equipment & Components > Valve > Gate Valve > Marine Gate Valve For Desulfurization Tower With 12-Month Warranty, Mill Test Report Included, Factory Direct

Marine Gate Valve For Desulfurization Tower With 12-Month Warranty, Mill Test Report Included, Factory Direct

Marine Gate Valve For Desulfurization Tower With 12-Month Warranty, Mill Test Report Included, Factory Direct thumbnail-3

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Marine Gate Valve For Desulfurization Tower With 12-Month Warranty, Mill Test Report Included, Factory Direct thumbnail-5

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Marine Gate Valve For Desulfurization Tower With 12-Month Warranty, Mill Test Report Included, Factory Direct photo-4

Marine Gate Valve For Desulfurization Tower With 12-Month Warranty, Mill Test Report Included, Factory Direct photo-5

Product Spotlights

Engineered for marine desulfurization scrubbers, this gate valve offers superior corrosion resistance and bubble-tight shut-off in harsh environments. It comes with a 12-month warranty and full material traceability via a Mill Test Report. Available in a wide range of sizes, pressures, and materials with optional actuation for seamless system integration.

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

Key Specifications

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Material:

Other, Carbon Steel, Stainless Steel, or Alloy Steel

Application:

Other, Marine Desulfurization Systems

Standard:

Other, ISO, API, ANSI, DIN, JIS, GB

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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, Stainless Steel, or Alloy Steel

Application Other, Marine Desulfurization Systems

Standard Other, ISO, API, ANSI, DIN, JIS, GB

Size Range 1/2 inch to 24 inches (DN15 to DN600)

Pressure Rating Class 150 to Class 2500 (PN10 to PN420)

Connection Type Flanged, Welded, or Screwed Ends

Operation Type Manual, Gear Operated, or Actuated

Warranty 12 Months from Date of Shipment

Test Report Mill Test Report (MTR) Included

As a leading manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing robust and reliable fluid control solutions for demanding industrial applications. Our Marine Gate Valve for Desulfurization Towers is engineered to meet the rigorous challenges of marine exhaust gas cleaning systems (EGCS or scrubbers). Designed for durability and precise flow control in harsh, corrosive environments, this valve ensures the safe and efficient operation of your desulfurization processes, helping you comply with stringent environmental regulations like IMO 2020.

This gate valve is a critical component for isolating media flow within desulfurization towers and associated piping. Its robust construction and tailored design make it an ideal choice for handling seawater, alkaline solutions, and process fluids containing sulfur compounds. We understand that downtime is costly in marine operations, which is why our valves are built for long service life and minimal maintenance, providing exceptional value and operational security for ship owners and system integrators worldwide.

Key Features and Technical Advantages:

Superior Corrosion Resistance: Manufactured from high-grade materials such as carbon steel with special coatings, stainless steel (CF8M/316), or duplex alloys, the valve body and internals are specifically selected to withstand the highly corrosive nature of scrubber process fluids and seawater.
Robust Pressure Containment: Designed to handle the full pressure spectrum of desulfurization systems, from inlet seawater pumps to tower circulation loops. Available in a wide range of pressure classes to match your specific system design requirements.
Bubble-Tight Sealing: Features a precision-machined wedge and seat arrangement that ensures a reliable, bubble-tight shut-off, preventing leakage and ensuring process integrity and environmental safety.
Low Operating Torque: The streamlined flow path and optimized wedge design minimize fluid turbulence and pressure drop, resulting in lower operating torque. This reduces wear on the stem and actuator, extending the valve's operational lifespan.
Versatile Actuation Options: Available in manual handwheel, gearbox, electric, pneumatic, or hydraulic actuation configurations. This flexibility allows for easy integration into both local control panels and centralized automated ship management systems.
Extended Service Life: Critical wear components, such as the stem and seat rings, are made from hardened or corrosion-resistant alloys to resist abrasion and erosion from slurry or particulate-laden fluids common in scrubber systems.

Technical Specifications at a Glance:

Parameter	Specification
Product Type	Marine Gate Valve (Rising Stem)
Primary Application	Desulfurization Tower / Scrubber Systems
Size Range (Nominal)	1/2" to 24" (DN15 to DN600)
Pressure Rating	Class 150, 300, 600, 900, 1500, 2500 (Customizable)
Temperature Range	-29°C to 425°C (-20°F to 800°F) based on material
End Connection	Flanged (RF, RTJ), Butt Weld, Socket Weld, Screwed
Body Material	WCB, CF8, CF8M, Duplex, Super Duplex, etc.
Seat & Wedge	Stellite Hardfaced, 13% Cr, Alloy 20, or equivalent
Packing	Graphite, PTFE, or Flexible Graphite for high temp
Standards	API 600, API 602, ASME B16.34, ISO 10434, etc.

Benefits for Your Operation:

Regulatory Compliance: Enables reliable operation of your scrubber system, helping vessels meet IMO sulfur cap regulations efficiently.
Reduced Maintenance Costs: Durable construction and quality materials minimize the frequency of repairs and replacements.
Enhanced System Safety: Positive shut-off capability protects downstream equipment and ensures safe isolation for maintenance.
Optimized Performance: Full-bore design offers minimal flow restriction, maintaining system efficiency and reducing pumping costs.
Global Supply Chain Support: With annual export value between US$1-1.5 million and shipments from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely delivery to global markets including North America, Europe, and Southeast Asia.

Backed by our ISO9001 quality management system, every Marine Gate Valve undergoes rigorous inspection and testing. The included Mill Test Report provides full traceability of material composition and mechanical properties, giving you complete confidence in the product's integrity. Our 12-month warranty underscores our commitment to quality and customer satisfaction. With extensive experience supplying to diverse global markets, we understand the critical needs of marine and industrial clients. Choose Shanghai Zhibang for a valve solution that combines proven reliability with direct factory value. Contact us today to discuss your specific requirements and receive a detailed quotation.

Frequently Asked Questions (FAQ)

Q: What makes this gate valve suitable for desulfurization tower applications?
A: These valves are specifically engineered with materials and designs that resist corrosion from seawater and alkaline scrubbing solutions. Features like hardened seats and corrosion-resistant alloys are chosen to handle the abrasive and corrosive media typical in scrubber systems.
Q: Is the 12-month warranty valid globally?
A: Yes, our 12-month warranty is valid from the date of shipment and covers defects in materials and workmanship under normal use. It is applicable for our customers worldwide.
Q: What documentation is included with the valve?
A: Each valve is supplied with a comprehensive Mill Test Report (MTR) for material traceability. Additional documentation like a certificate of conformance, packing list, and installation manual can be provided upon request.
Q: Can you provide custom sizes or pressure ratings not listed in the standard range?
A: Absolutely. As a manufacturer, we have the capability to design and produce valves in non-standard sizes, special pressure classes, or with unique material combinations to meet specific project requirements.
Q: What are the available actuation methods?
A: We offer a full range of actuation options including manual handwheels, gear operators, as well as electric, pneumatic, and hydraulic actuators. The choice depends on your system's automation level and available power sources.
Q: How do I determine the correct material grade for my application?
A: The selection depends on the specific fluid chemistry, temperature, and pressure. Our technical team can assist you in choosing between carbon steel, 316 stainless steel, duplex steel, or other alloys based on your process data.
Q: What international standards do your valves comply with?
A> Our valves are manufactured to meet recognized international standards such as API, ASME, ISO, DIN, and JIS. The specific standard applied can be tailored to your project specifications.
Q: What is your lead time for standard and custom orders?
A: Lead times vary based on order quantity, size, and material. Standard configurations typically have shorter lead times. We provide estimated delivery schedules upon receipt of your detailed inquiry to ensure they align with your project timeline.