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Screwed Bonnet Needle Valves，NV2 Series

Every valve we produce undergoes rigorous testing to ensure it complies with our quality standards.

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Screwed Bonnet Needle Valves，NV2 Series

NV2 Series Screwed Bonnet Needle Valves feature valve bodies machined from cold-drawn square bar stock, with reliable bonnet connection. They have a maximum working pressure of 6000 psig (414 bar). With a two-piece stem design, the valve plug only moves vertically during opening and closing, reducing packing wear from each operating stroke. The handle is sturdy and durable, with a wide selection of port types and sizes available.

Features

Two-piece stem design. The valve head only moves vertically during opening and closing, reducing packing wear from each stroke

The valve body is machined from cold-drawn square bar stock, with reliable connection to the valve bonnet

Safety back seating seals in fully open position

Panel mounting available

Each valve is factory leak-tested with nitrogen or compressed air at rated pressure

A variety of packing materials are available to meet different operating temperature ranges：PTFE packing：-65℉ to 450℉ (-54℃ to 232℃)、PEEK packing: -65℉ to 500℉ (-54℃ to 260℃)、Graphite packing: -65℉ to 1200℉ (-54℃ to 649℃)

The stem threads are positioned above the packing to prevent thread grease from contacting the system medium

The stem threads are roll-formed, and the sealing surface of the valve head is hardened to extend the service life of the valve

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