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|Max. connection size (mm)||
The Larner Johnson needle valve is used for free discharge control at pressures above that of the Fixed Cone Valve. The valve can also be used for in-line pressure or flow control applications and offers fine adjustment over its full range.
The valve is made to a heavy-duty design and can be constructed in cast iron and cast steel. It has a wide metal-to-metal seat design for reliable and durable shut-off. All parts of the valve are circular, making it free from distortion under high pressures.
It has a medium velocity discharge capability (up to 12m/s).