NV-1

Precise flow control and positive shutoff for high-pressure instrumentation

The Welker NV-1 Needle Valve is designed for precise flow metering and positive shutoff in power plants, refineries, chemical plants, oil and gas exploration sites, laboratories, and high-pressure instrumentation systems. Built with a soft seat design, low operating torque, globe-style porting, blowout-proof stem, and durable 316 stainless steel construction, the NV-1 provides dependable flow control with leak protection and easy operation under pressure. Rated for high-pressure service, the NV-1 supports sampling, conditioning, and instrumentation applications where reliable valve performance is critical.