Parker 4A-V4LK-SS V Series Needle Valve, 1/4″ A-LOK, 316 SS, 5000 psi

When your application calls for precise throttling and dead-tight shutoff, this Parker V Series needle valve earns its place on your panel. The 4A-V4LK-SS puts fine flow control at your fingertips, so you regulate gas or liquid with the sensitivity your instruments demand. Two 1/4 inch A-LOK double-ferrule ends grip your tubing hard and hold pressure to 5000 psig without weeping. The 316 stainless body shrugs off corrosive process media, and the temperature range runs from a frosty -65 degrees F up to a hot 450 degrees F, so it handles the extremes your plant throws at it. A hardened stem tip meets the seat for repeatable, leak-tight isolation cycle after cycle. Non-rotating stem design protects the seat from galling and stretches valve life on every turn. You get smooth, predictable metering whether you are calibrating a transmitter, bleeding a line, or setting a sample flow. Depend on it for instrumentation, analytical, and general-purpose service across your refinery or chemical plant. Call Collins-Oliver for your quote.

Key Features

• 1/4 in. A-LOK double-ferrule ends for a leak-tight grip on your instrument tubing
• 316 stainless steel body resists corrosive process and sample media
• Precise needle-and-seat metering for fine, repeatable flow regulation
• Working pressure to 5000 psig for demanding instrumentation duty
• Wide temperature range from -65 degrees F to 450 degrees F
• Non-rotating stem design protects the seat and extends service life

Technical Specifications

• Part Number: 4A-V4LK-SS
• Series: V Series
• Valve Type: General-purpose needle valve
• End Connections: 1/4 in. A-LOK x 1/4 in. A-LOK (double ferrule compression)
• Body Material: 316 stainless steel
• Working Pressure: 5000 psig
• Temperature Range: -65 degrees F to 450 degrees F (-54 C to 232 C)
• Orifice: Call for your application
• Stem: Non-rotating