Key Features
- Straight pattern body for minimum pressure drop and full flow
- Hydraulic or pneumatic actuation for remote emergency shutdown
- Rapid closing mechanism for instant fuel isolation
- Marine-grade bronze or stainless steel construction for corrosion resistance
- Suitable for fuel oil, lubricating oil, and other non-corrosive media
- Compact design ideal for confined engine room spaces
- Available in flanged, threaded, or butt-weld end connections
- Tested to international marine safety standards
Technical Specifications
| Specification | Detail |
|---|---|
| Valve Type | Quick-closing, straight pattern |
| Actuation | Hydraulic or pneumatic |
| Nominal Diameter | DN15 – DN150 (1/2" – 6") |
| Pressure Rating | PN16 / PN25 / Class 150 |
| Body Material | Bronze, gunmetal, or stainless steel (CF8M/CF3M) |
| Trim Material | Stainless steel (AISI 316) |
| Sealing Material | PTFE or nitrile rubber (NBR) for leak-tight closure |
| End Connections | Threaded (BSP/NPT), flanged (DIN/ANSI), or butt-weld |
| Actuation Pressure | 5 – 10 bar (hydraulic), 6 – 8 bar (pneumatic) |
| Operating Temperature | -20°C to +150°C (depending on seals) |
| Compliance | SOLAS, IMO, and relevant marine classification rules |
| IMPA Code | 874621 |
Frequently Asked Questions
What materials are these quick-closing valves made of?
Our quick-closing valves are available in marine-grade bronze, gunmetal, or stainless steel (CF8M/CF3M) to withstand corrosive marine environments. The trim is typically stainless steel with PTFE or NBR seals for reliable leak-tight performance.
What is the typical response time for hydraulic or pneumatic actuation?
The valve is designed to close in under 1 second when actuated at the recommended operating pressure. Actual response time may vary based on the distance from the control panel, line pressure, and valve size.
How do I choose between hydraulic and pneumatic transmission?
Hydraulic actuation is generally preferred in systems where compressed air may not be available or where high actuation forces are needed. Pneumatic actuation is simpler and cleaner, making it suitable for most engine room installations. Consider your existing onboard utility systems when choosing.
Are these valves certified for marine use?
Yes, these valves are designed to comply with SOLAS, IMO regulations, and applicable marine classification society requirements. They are commonly used in fuel oil systems for emergency shutdown applications.
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