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Series SUL Automatic Recirculation Valve
Brand: Schroedahl GmbHBesides the well-known TD series, the SUL series offers an effective, low-cost protection for pumps in the power, chemical and petrochemical industries.
The SUL valve design is a further development of the SCHROEDAHL SU valve, an Automatic Recirculation Valve that has been used in ships since 1960. The valve consists of a valve body and a check valve, which is guided at the top by the guide bushing and the vortex bushing at the bottom. The check valve is spring loaded and is fitted with a damping device.
This arrangement ensures a stable operation of the valve, even if pulsations occur in the system.
Features- Dependable operation – only a few moving parts
- Easy to install – in a vertical or horizontal position, directly on the pump outlet
- Easy to change flow characteristics (change of 1 part - item 13 - only)
- Suitable for a wide range of media, such as water, oils, hydrocarbons, liquid gases and chemicals
- Permissible temperatures from -200° to +200° C