Superlok® Needle Valves

At Superlok South, we stock needle valves that meet the same performance standards as Swagelok®, without the long lead times or inflated cost. Our valves give you reliable, repeatable flow control in tight-tolerance applications, and they’re trusted across industries that rely on accuracy, durability, and immediate availability. From pressure systems to instrumentation setups, Superlok needle valves are engineered for serious industrial use and always kept in stock locally.

Consistent Shutoff and Better Value

Superlok needle valves offer a tight, reliable seal on every cycle, comparable to what you’d expect from Swagelok®, but at a more competitive price point. You get leak-free performance that reduces downtime and helps keep your system running clean and consistent.

Drop-In Compatibility

 Superlok needle valves can replace Swagelok®, DK-Lok, and Parker valves with no rework required. The fittings, thread types, and dimensions are matched for full system compatibility, making upgrades, repairs, and expansions easier without changing specs.

Dialed-In Flow Control with Real Advantages

Just like Swagelok®, Superlok valves are designed for smooth, precise regulation. The added benefits? Better cost-efficiency, faster lead times, a wide range of sizing and materials, and inventory that’s actually available when you need it.

Built for Demanding Conditions

Superlok needle valves are rated for extreme service, with temperature limits from -65°F to 1,200°F and pressure ratings up to 10,000 PSI. Multiple stem and threading options are available, along with a variety of handle styles including stainless bar handles, phenolic rounds, and black aluminum.

Durable Materials, Straightforward Pricing

Our valves are manufactured from high-grade 316 stainless steel and brass, delivering strong resistance to corrosion and wear. The result is dependable performance with less markup – and fewer surprises on delivery times.