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The Parker 338 Series Needle Valve is a bi-directionally metered valve that provides efficient and precise flow control and adjustment even at low flow rates. The plunger in these valves is a fine taper needle which provides precise flow control even at low flow rates. The perimeter of the adjustment knob features numerical micrometer position markings, providing a visual indication of the flow controls settings. Once the desired flow is selected, a set screw can be tightened to maintain the settings. Extended Temperature versions up to 300 degrees F are available as specials.
Markets:
• Factory Automation
• Heavy Industries
Features/Benefits:
• Precise Low-Flow Control
• Heavy duty brass construction
• Micrometer visual set points
Applications:
• General purpose industrial pneumatics
• Industrial equipment requiring motion of work to stop slowly at the end of operation
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