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IMI Truflo Marine
Marine Screwdown Non Return Valve
Shock-qualified valve combining non-return and shut-off functions for critical marine applications.
Combines non-return and shut-off in one space-saving, manually controllable valve.
Operates in extreme conditions with shock qualification and robust marine-grade materials.
Simplifies servicing and installation with top-loaded parts and flexible configuration options.
Features
The IMI Thompson Valves Screwdown Non Return Valve provides compact, dual-function flow control in demanding naval systems. Designed to automatically prevent reverse flow, it also features a manual override for shut-off when needed. Shock-qualified for extreme conditions and built with top-loaded, inline-serviceable components, it supports long-term operation in high-pressure, high-integrity systems. Available in nickel aluminium bronze and stainless steel, it suits a wide range of fluids including seawater, fuel, hydraulic oil, and high-pressure air. With pressures up to PN 320 and temperature tolerance from -50°C to 150°C, it’s ideal for submarines and surface ships alike.
Key features
Automatic non-return with manual shut-off
Shock-qualified for naval service
Top-loaded inline maintenance
Configurable seats and connections
Temp range: -50°C to 150°C
Pressure: up to PN 320
Sizes: DN 6–100
Materials: NAB or stainless steel
Specifications
Fluid Types
Fresh Water
Sea Water
Fuel Oil
Lubricating Oil
Hydraulic
High Pressure Air
Port Size (")
0.25 to 4
Material
Nickel Aluminium Bronze (NAB)
Stainless Steel
Temperature Limits (°C)
-50 to 150
