Contact Platform Support
Help CenterFuel Oil Service Marine Gate Valve With Non-Rising Stem, Flanged Ends
Product Spotlights
Related Products
-
PN10/PN16 Marine Non-Rising Stem Gate Valve for Low-Pressure Ship PipingNegotiableMOQ: 1 Unit -
Standard Compliant Marine Non Rising Stem Gate Valve, Mill Test Report ProvidedNegotiableMOQ: 1 Unit
-
Marine Non-Rising Stem Gate Valve for Ship Ballast Water Systems, Cast Iron BodyNegotiableMOQ: 1 Unit
-
CCS DNV Approved Marine Non-Rising Stem Gate Valve With 2-Year WarrantyNegotiableMOQ: 1 Unit
-
Bronze Marine Non-Rising Stem Gate Valve, Flanged End, PN16 Pressure RatingNegotiableMOQ: 1 Unit
As a leading manufacturer with ISO 9001 certified production processes, Shanghai Zhibang Valve is proud to offer our specialized Fuel Oil Service Marine Gate Valve with Non-Rising Stem and Flanged Ends. Engineered for the demanding environments of maritime fuel systems, this valve is built to ensure reliable, leak-free isolation and control of fuel oil lines on vessels and offshore platforms. Our commitment to precision manufacturing and stringent quality control, backed by an annual export value demonstrating global trust, ensures you receive a component designed for performance and longevity in critical applications.
This gate valve is specifically designed to meet the unique challenges of marine fuel oil service. The non-rising stem (NRS) design is a key feature, providing significant advantages in confined engine rooms and tight spaces commonly found on ships. Unlike rising stem valves, the handwheel and stem nut rotate without the stem moving vertically, saving crucial overhead clearance. The flanged ends facilitate secure, bolted connections to piping systems, ensuring a robust seal capable of withstanding vibration and movement inherent in marine operations.
Core Features & Technical Advantages:
- Optimized for Marine Service: Constructed with materials and designs resistant to corrosion from marine atmospheres and compatible with various fuel oils (MDO, HFO).
- Space-Saving NRS Design: Ideal for installations with limited vertical space. The stem threads are isolated from the line fluid, reducing wear and corrosion on the threading mechanism.
- Robust Flanged Connection: Provides a strong, leak-proof joint that is easier to assemble and disassemble compared to welded ends, simplifying maintenance.
- Reliable Sealing: Features a precision-machined wedge or parallel slide gate and seat arrangement to ensure tight shut-off, preventing fuel leakage—a critical safety and environmental requirement.
- Durable Construction: Body and key components are available in materials like cast steel ASTM A216 WCB for higher pressure/temperature services or ductile iron for cost-effective solutions.
- Multiple Operation Options: Standard handwheel operation is provided, with gear operators available upon request for larger sizes or higher torque requirements.
Detailed Technical Specifications:
| Parameter | Specification | Notes |
|---|---|---|
| Design Standard | API 600, API 6D, MSS SP-70 | Gates, Globes & Check Valves |
| Pressure Class | Class 150, Class 300, Class 600 | Common ratings available |
| Size Range (Nominal) | DN50 (2") to DN600 (24") | Wide range for main & branch lines |
| Flange Standard | ASME B16.5, ASME B16.47, DIN, JIS | Specify required standard |
| Body Materials | Cast Steel (WCB), Ductile Iron, Cast Iron | Material selection based on service |
| Trim Materials (Seat/Disc) | 13Cr/13Cr, Stellite, Bronze, 316 SS | Erosion/corrosion resistant options |
| Stem Material | Stainless Steel (410, 304, 316) | For strength & corrosion resistance |
| Packing | Graphite, PTFE, Flexible Graphite | High-temperature capable options |
| Test Standards | API 598, ISO 5208 | Shell & Seat Leakage Tests |
Benefits for Your Operations:
- Enhanced Safety: Secure shut-off minimizes the risk of fuel spills and fires, protecting crew, vessel, and the environment.
- Reduced Maintenance: Durable materials and protected stem threads lead to longer service intervals and lower lifetime costs.
- Operational Reliability: Consistent performance under varying temperatures and pressures ensures uninterrupted fuel supply to engines and boilers.
- Global Compliance: Manufactured in an ISO 9001 facility, supporting documentation is available to aid in vessel classification society approvals (optional).
- Logistical Flexibility: With major ports like Shanghai, Guangzhou, and Hong Kong as shipment points, we ensure efficient delivery to your global projects.
Trust in a product sourced from a manufacturer with a proven track record. With exports reaching US$1 Million to US$1.5 Million annually and serving main markets across North America, Southeast Asia, Europe, Africa, and Oceania, our valves are tested and trusted worldwide. Our dedicated focus on marine valves means you get a product not just adapted but specifically engineered for your application. Choose Shanghai Zhibang for a valve that combines intelligent design with rugged durability, ensuring control and safety for your marine fuel systems. Contact us today to discuss your specifications or request a detailed quotation.
Frequently Asked Questions (FAQ)
Q1: Why is a non-rising stem preferred for marine fuel oil gate valves?
A: The non-rising stem design is crucial in marine environments due to space constraints in engine rooms and pump areas. It eliminates the need for vertical clearance above the valve for stem extension, allowing for more compact piping arrangements and reducing the risk of damage to the operating mechanism.
Q2: What flange standards do you typically supply?
A: We commonly manufacture to ASME B16.5 (ANSI) and DIN standards, but can also produce valves with JIS, BS, or other international flange faces upon request. It is essential to specify your required flange standard and rating when inquiring.
Q3: Are these valves suitable for heavy fuel oil (HFO) service?
A: Yes, they are designed for various fuel oils, including HFO. Material selection for the trim (seat and disc) is key. We often recommend hardened materials like 13Cr/13Cr or Stellite-faced seats for HFO service to resist erosion from abrasive particles.
Q4: Can you provide valves with gear operators?
A> Absolutely. While handwheel operation is standard for smaller sizes, we strongly recommend and can supply electric, pneumatic, or manual gear operators for valves larger than DN300 (12") or for any application where high operating torque is anticipated.
Q5: What is the lead time for an order of these valves?
A: Lead time depends on the size, material, pressure class, and quantity. For standard specifications in common sizes, we often have shorter lead times. We provide a clear production schedule upon order confirmation. Our multiple port options also help optimize shipping time.
Q6: Do you offer any customization?
A: Yes, as a manufacturer, we offer several customizable features including specific material grades, extended bonnets for insulation, lockable devices, different handwheel types, and painting per specific color/coding requirements. Please share your detailed needs.
Q7: What documentation accompanies the valves?
A> Standard documentation includes a material test report (MTR), certificate of conformance, and packing list. Additional documentation like inspection reports (e.g., API 598 test reports) or certificates of origin are available upon request.
Q8: How does your ISO 9001 certification benefit me as a buyer?
A: Our ISO 9001 certification assures you that our valves are produced under a quality management system that controls every stage—from design and material procurement to manufacturing, testing, and shipping. This translates to consistent product quality, traceability, and reliability.
Send Inquiry to This Supplier
You May Also Like
-
316 Stainless Steel Marine Gate Valve, Non-Rising Stem, Saltwater ResistantNegotiableMOQ: 1 Unit
-
Bronze Marine Gate Valve With Visible Rising Stem, Threaded Connection, PN2.5MPaNegotiableMOQ: 1 Unit
-
Rising Stem Marine Gate Valve, Technical Support and Global Spare Parts Service AvailableNegotiableMOQ: 1 Unit
-
Marine Rising Stem Gate Valve in Cast Iron/Bronze, DN50-DN300, PN1.6MPaNegotiableMOQ: 1 Unit
-
304 Stainless Steel Marine Gate Valve With Rising Stem, Flanged End, Class 150NegotiableMOQ: 1 Unit
-
Marine Gate Valve With External Rising Stem for Clear Position Indication, API StandardNegotiableMOQ: 1 Unit
-
Marine Rising Stem Gate Valve for Bilge and Ballast Systems on Cargo ShipsNegotiableMOQ: 1 Unit
-
Cast Steel Marine Rising Stem Gate Valve, Full Port Design, Fire-Safe API 607 CertifiedNegotiableMOQ: 1 Unit
-
Marine Gate Valve With Rising Stem, 12-Month Warranty and Mill Test Report ProvidedNegotiableMOQ: 1 Unit
-
Forged Steel Marine Gate Valve With Rising Stem, Locking Device, for High-Pressure LinesNegotiableMOQ: 1 Unit
