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Home > Industrial Equipment & Components > Valve > Gate Valve > Marine Gate Valve With Pneumatic Actuation for Engine Room Piping, DN50-DN200, Flanged

Marine Gate Valve With Pneumatic Actuation for Engine Room Piping, DN50-DN200, Flanged

Marine Gate Valve With Pneumatic Actuation for Engine Room Piping, DN50-DN200, Flanged thumbnail-3

Marine Gate Valve With Pneumatic Actuation for Engine Room Piping, DN50-DN200, Flanged thumbnail-4

Marine Gate Valve With Pneumatic Actuation for Engine Room Piping, DN50-DN200, Flanged thumbnail-5

Marine Gate Valve With Pneumatic Actuation for Engine Room Piping, DN50-DN200, Flanged photo-1

Marine Gate Valve With Pneumatic Actuation for Engine Room Piping, DN50-DN200, Flanged photo-2

Marine Gate Valve With Pneumatic Actuation for Engine Room Piping, DN50-DN200, Flanged photo-3

Marine Gate Valve With Pneumatic Actuation for Engine Room Piping, DN50-DN200, Flanged photo-4

Marine Gate Valve With Pneumatic Actuation for Engine Room Piping, DN50-DN200, Flanged photo-5

Product Spotlights

Designed for demanding marine engine rooms, this flanged gate valve (DN50-DN200) features reliable pneumatic actuation for remote, safe operation. Built with robust materials like cast or stainless steel to withstand corrosion and pressure, it ensures tight shut-off in seawater, fuel, and lube oil systems. ISO9001-certified manufacturing guarantees quality, while global export experience supports timely delivery. Enhances safety, reduces maintenance, and integrates easily into automated control panels.

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

Key Specifications

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Product Type:

Marine Gate Valve with Pneumatic Actuation

Connection Type:

Flanged

Size Range (DN):

DN50 to DN200

Contact Supplier Request Quote Chat Now

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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Product Type Marine Gate Valve with Pneumatic Actuation

Connection Type Flanged

Size Range (DN) DN50 to DN200

Actuation Method Pneumatic

Primary Application Engine Room Piping Systems

Material (Typical) Cast Steel / Stainless Steel

Operating Pressure Customizable (e.g., PN16, PN25)

Valve Design Rising Stem, Wedge Gate

Seat Type Metal Seated / Resilient Seated

Certification ISO9001 Quality Management System

As a professional manufacturer with a strong commitment to maritime fluid control, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our robust Marine Gate Valve with Pneumatic Actuation. Engineered specifically for the demanding environment of engine room piping, this valve combines reliable shut-off capability with the efficiency of automated control. Our years of experience since 2016, backed by an ISO9001-certified production system, ensure that each valve delivers consistent performance, durability, and safety for critical marine applications worldwide.

This valve is designed to meet the rigorous standards of shipboard operation, offering a superior solution for isolating fluid flow in seawater cooling lines, fuel oil systems, lubricating oil circuits, and ballast systems. The integration of a pneumatic actuator allows for remote operation, which is crucial for enhancing operational safety and efficiency in often hard-to-reach engine room spaces. By choosing our product, shipbuilders, shipyards, and vessel operators gain a dependable component that contributes to reduced maintenance downtime and enhanced system reliability.

Core Product Features & Technical Advantages:

Rugged Construction for Marine Duty: The valve body and critical components are typically manufactured from high-grade cast steel or corrosion-resistant stainless steel, selected to withstand corrosive seawater, high pressures, and vibration inherent to engine rooms.
Precise Pneumatic Actuation: The valve is equipped with a double-acting or spring-return pneumatic actuator, providing fast, reliable, and powerful opening/closing action. This enables integration into centralized control panels for automated system management.
Flanged Connection for Secure Installation: Standard flanged ends (e.g., ANSI, JIS, DIN standards) ensure a leak-proof, robust connection to the pipeline, facilitating easier installation, maintenance, and replacement compared to threaded connections.
Wide Size Compatibility: Available in a comprehensive range from DN50 to DN200, this valve can be seamlessly integrated into various piping diameters found in modern vessel engine rooms.
Superior Sealing Performance: Features a wedge gate design with metal or resilient seating. This provides a tight, bubble-tight seal when closed, minimizing internal leakage and ensuring efficient system isolation.
Rising Stem Design for Visual Indication: The external rising stem provides a clear, visual indication of the valve position (open or closed), a critical safety feature for onboard engineers.

Detailed Technical Specifications:

Parameter	Specification / Description
Product Model	ZBG-Pneumatic Series (Specific model varies by size/configuration)
Valve Type	Flanged Gate Valve with Pneumatic Actuator
Size Range (Nominal Diameter)	DN50, DN65, DN80, DN100, DN125, DN150, DN200
Pressure Rating	Common ratings include PN16, PN25, PN40; Customizable upon request.
Body Material	WCB Cast Steel, CF8/CF8M Stainless Steel, Duplex Steel (Optional)
Seat & Seal Material	Stellite Hardfaced, 13% Cr Steel, EPDM, NBR (Depending on media)
Actuator Type	Double-acting or Spring-return Pneumatic Actuator
Operating Pressure (Air Supply)	Standard: 4-7 bar (58-102 psi). Other ranges available.
Control Accessories	Solenoid Valve, Limit Switches, Positioner, Manual Override (Optional)
Flange Standard	ANSI B16.5, JIS B2220, DIN, GB; Specify when ordering.
Temperature Range	-20°C to +200°C (Standard); Higher grades available for extreme conditions.
Paint / Coating	Marine-grade epoxy coating for superior corrosion resistance.

Client Benefits & Application Scenarios:

Enhanced Operational Safety: Remote pneumatic operation eliminates the need for manual handling in confined or hazardous spaces, protecting crew.
Improved System Efficiency: Rapid valve actuation allows for quicker response to system changes or emergencies, optimizing engine room management.
Reduced Lifetime Cost: Durable construction and reliable sealing minimize leakage, repair frequency, and associated operational losses.
Simplified Integration: Standard flanged design and available accessories make it easy to fit into new builds or retrofit existing piping systems.
Versatile Media Handling: Suitable for seawater, fresh water, fuel oil, lubricating oil, air, and other non-aggressive fluids common in engine rooms.

Our commitment to quality is demonstrated by our ISO9001 certification and a consistent annual export value between US$1 Million and US$1.5 Million, serving a global clientele across North America, South America, Europe, Asia, Africa, and Oceania. This widespread acceptance is a testament to the reliability and performance of our marine valves. We leverage strategic ports like Shanghai, Guangzhou, Hong Kong, and Beijing to ensure efficient and timely logistics for our international partners. For your next marine project requiring dependable, automated fluid control, choose Shanghai Zhibang's Marine Pneumatic Gate Valve. Contact us today to discuss your specific DN size, pressure rating, and material requirements for a tailored solution.

Frequently Asked Questions (FAQ):

Q: Can this pneumatic gate valve be operated manually if the air supply fails?
A: Yes, most of our pneumatic actuator models come with an optional manual override feature. This allows engineers to operate the valve using a handwheel or lever in case of pneumatic system failure, ensuring operational continuity.
Q: What flange standards do you offer, and can you match existing piping?
A: We commonly supply valves with ANSI, JIS, DIN, or GB flange standards. It is crucial to specify your required flange standard, facing (RF, FF), and pressure class (e.g., 150#, PN16) when inquiring so we can provide a perfect match for your existing pipeline connections.
Q: Is this valve suitable for seawater service, and what material is recommended?
A: Absolutely. For seawater applications, we highly recommend materials like CF8M (SS316) stainless steel or duplex stainless steel for the body and trim. These materials offer excellent resistance to chloride-induced corrosion and erosion commonly found in marine environments.
Q: What is the typical lead time for an order of DN150 valves?
A: Lead time depends on order quantity, specific configuration, and material availability. Standard configurations often have shorter lead times. Please contact our sales team with your detailed requirements for an accurate production and delivery schedule.
Q: Do you provide the complete assembly with actuator and accessories, or just the valve?
A: We supply fully assembled and tested units, including the gate valve body, pneumatic actuator, and any specified accessories like solenoid valves or limit switches. This provides a ready-to-install solution, saving you time and ensuring component compatibility.
Q: What air supply pressure and quality are required for the actuator?
A: The standard pneumatic actuator operates on clean, dry air at 4-7 bar (58-102 psi). It is advisable to install air filters and dryers upstream to protect the actuator's internal components and ensure long-term reliability.
Q: Can the valve be customized for high-temperature fluids in the engine room?
A: Yes, customization is available. For high-temperature applications, we can offer alternative seat materials (like metal seals), different gland packing, and specify materials suitable for elevated temperatures. Please share your operating temperature range during consultation.
Q: What warranty or after-sales support do you provide?
A: Our products are backed by a standard warranty against manufacturing defects. Furthermore, we offer comprehensive technical support, including installation guidance, troubleshooting assistance, and availability of spare parts to support the lifecycle of your valve.