Needle valve and multiport valve

Description of the needle valve Needle valves and multiport valves separate the process from measuring instruments such as pressure gauges, switches or transmitters. By closing this valve the instrument can be safely dismounted for services like recalibration or replacement. With the vent connection option, the instrument can be vented to the atmosphere by means of the needle valve. Already in the standard version, the multiport valve is equipped with two additional connections. These can be used either as vent connections or for the connection of additional instruments. Through the non-rotating spindle tip, the wear of the sealing elements is reduced. This results, particularly with frequent opening and closing, in a noticeable increase in the service life. Through the blow-out proof design of the valve, working safety is improved, especially in applications with high pressure loading. As an option, WIKA offers the professional assembly of valves and pressure measuring instruments and also other accessories into a ready-to-install solution, also known as a hook-up. To ensure the performance of the complete system, an additional leak test is carried out on the hook-up.

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