HNV Series Needle Valves – for 6,000 and 10,000 psi

Parker HNV Series Needle Valves – Reliable Flow Control at High Pressure

The Parker HNV Series needle valves deliver dependable and accurate flow control in demanding industrial applications for instrumentation, process industries, oil & gas, and pharma. Designed with a focus on safety, durability, and flexibility, the valves are available in both straight and angle configurations.

With options for integrated tube connections and a wide selection of materials and packing types, the HNV Series is ideal for both standard and high-pressure applications. The robust valve bodies—forged or machined from stainless steel—ensure high mechanical strength and leak-free operation even under extreme conditions.

Key Features:

• Pressure ratings: Up to 414 bar (6,000 psi) and 689 bar (10,000 psi)
• Temperature range: PTFE packing from –54 °C to 260 °C, Graphite packing from –54 °C to 538 °C
• Cv value: Approximately 0.35 (standard 4 mm seat orifice)
• Materials: 316/316L stainless steel, 6MO, Alloy 625, Duplex, Titanium, and more
• Connections: A-LOK®, CPI™, NPT (female/male), metric and imperial tube sizes
• Precise flow control with needle stem and non-rotating tip
• Anti-tamper features, lockable handwheels, and panel mounting available
• Low-emission design (ISO 15848-1 Class A) for high integrity and traceability requirements

The HNV Series is the ideal solution for applications requiring accurate flow regulation, high seal integrity, and long-term durability under challenging conditions.