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Versatile Fuel for Home, RV, or Job Site
Keep your next adventure, job, or backyard gathering powered up with the Flame King 40LB Propane Tank. Whether you're hooking up an RV, fueling a trailer, or running a propane heater, this tank gives you dependable propane capacity with the convenience you need.
Safe and Ready to Fill
Your 40LB tank ships EMPTY, pre-purged, and vacuum-ready, saving you the cost and hassle of extra purging. Each tank is x-ray and hydrostatic tested and meets DOT and Transport Canada standards, so you can transport and refill it with confidence wherever you go.
Built to Last
Constructed from high-grade welded steel and finished with a durable powder-coated exterior, this tank resists rust and corrosion for long-lasting performance in any environment.
Premium OPD Valve for Peace of Mind
Your Flame King tank includes a premium OPD (Overfill Prevention Device) valve, which is required by law in most states - so you'll always have hassle-free refills at any filling station. The standard connection valve makes it easy to hook up just like a smaller tank, with extra capacity when you need it most.
Trusted Quality
From 1LB cylinders to 420LB tanks, Flame King is the leader in premium, refillable propane solutions for residential, commercial, and RV use.
Specifications:
Quality and Service
At Flame King, we manufacture propane tanks and cylinders trusted worldwide for their exceptional quality and reliability. Our commitment to excellence goes beyond the products - we're dedicated to providing outstanding service to every customer. Each tank we produce exceeds industry standards and is crafted in award-winning facilities recognized for their focus on safety and quality. With Flame King, you can count on superior performance and complete peace of mind.
Certifications You Can Count On
At Flame King, we don't just build propane cylinders - we craft trusted companions designed to keep your adventures and daily needs fueled safely and reliably. Whether it's a compact 1 lb. tank for your next camping trip or a heavy-duty 420 lb. cylinder for commercial use, each product is made with care and precision.
Our portable propane cylinders meet strict Department of Transportation (DOT) and Transport Canada (TC) standards, so you can feel confident wherever you go. And for our ASME-certified tanks, they're crafted in facilities certified to ISO 9002 quality standards - because we believe safety and reliability should never be compromised.
With Flame King, you're not just buying a tank; you're investing in peace of mind that lasts.
Durable
Propane equipment faces tough conditions - so we build our tanks from rugged, premium materials designed to stand up to the challenge and deliver lasting performance you can trust.
Safe
At Flame King, safety isn't just a feature - it's our promise. Every tank is rigorously tested in real-world conditions to ensure reliable, dependable performance when it matters most.
Smart Design, Powerful Performance
At Flame King, we fuse cutting-edge technology with durable engineering to deliver propane solutions that are as intuitive as they are reliable - making every experience simpler, safer, and smarter.
Committed to a Greener Future
At Flame King, protecting the planet is at the heart of everything we do. That's why we pioneered the first refillable 1 lb propane tank- helping you reduce waste and embrace a more sustainable way to power your outdoor adventures.
About Us
At Flame King, we believe in the power of propane to fuel life's essential moments - from backyard cookouts to off-grid adventures. For over 20 years, we've been at the heart of it all, designing propane tanks and accessories that people rely on, day in and day out.
Built on a foundation of innovation and integrity, our products are engineered for performance, safety, and longevity. From our durable steel cylinders to our advanced heating and cooking solutions, every Flame King product is crafted to help you heat, power, and cook - wherever life takes you.
We've grown from a trusted manufacturer into a brand that supports sustainability, smarter energy use, and better outdoor living. Whether you're camping under the stars or firing up the grill in your own backyard, Flame King is there to keep the flame alive.
