Superlok® Plug Valves

Superlok Plug Valves from Superlok South are engineered for clean, consistent shutoff in systems where reliability matters most. Whether you’re managing high-pressure gas or isolating a drain line, these valves deliver smooth operation and durable performance without the long lead times or inflated cost of Swagelok®. Every part is built to tight tolerances, pressure-tested, and ready to ship – because we know downtime isn’t an option.

Superior Performance with Better Value:

You get the same core reliability and shutoff integrity as Swagelok® plug valves, just with more availability and friendlier pricing. Designed to perform under pressure, Superlok Plug Valves handle the job without overcomplicating it.

Clean Design That Just Works

Our one-piece forged body design is built from 316 stainless steel and tested to perform in the field. It’s simple, strong, and easy to install.

• More cost-effective than big brands
• Faster turnaround from stocked inventory
• Fully interchangeable specs
• Easy to source and support

Rated for Real-World Pressure

These valves aren’t just solid – they’re spec’d to perform:

• Handles up to 3000 psig (206 bar)
• Temperature range from –10°F to 400°F (–23°C to 204°C)
• Superior corrosion resistance in harsh environments
• Minimal upkeep with long service intervals

Used Across Tough Industries

Whether you’re in oil, gas, chemical, or water systems—these valves are built to meet the challenge.

• Oil and Gas
• Chemical Processing
• Petrochemical
• Power Generation
• Water Treatment

Built Right. Priced Better.

Same steel. Same specs. Same performance. The difference? Superlok South gives you faster access and better value without cutting corners. If you need plug valves that just work—you’ve found your supplier.