Loading... Please wait...

OPD Valve! What is it?

Posted

What is an OPD Valve?

"OPD" is an acronym for "Overfill Protection Device"

  • National Code now requires that all propane tanks of 40 lbs or less are fitted with an OPD

Why?

To ensure that a propane cylinder is not overfilled.

How does it work?

  • It prevents overfilling by shutting off the tank valve when the proper propane level is reached. 
  • A 20% empty space, in the upper portion of the tank is retained for fuel expansion.
  • This OPD feature can also be inadvertently activated by tilting a full propane tank.

What is an OPD Valve?

Can I use propane in my cutting torch?

Can propane be used in my cutting torch? Yes - but here are some facts you might want to consider: While some have chosen to use propane for cutting metals, most professionals find that the cutting tip temperature is considerably lower than commercial cutting gases and therefore undesirable for use, unless for light weight steel.  Some have found [...]

Read More »


Is Your Small Propane Tank Stored Safely?

Propane Cylinder Storage? Be Safe? What do you need to know to safely store small propane cylinders? Never store a propane cylinder indoors. Never store or place a propane tank in areas with excessive heat. Never store a spare cylinder under [...]

Read More »


Is it true that propane exists as a liquid and a vapor?

Is it True that Propane Exists as a Liquid and a Vapor? Yes!  Both exist inside your propane tank. Liquid propane and vapor cannot be used interchangeably.  A propane system designed to use vapor propane can't utilize propane in it's liquid form.  Liquid propane use is generally limited [...]

Read More »


How can I Know if I Have an OPD Valve on my Propane Tank?

How can I Know if I Have an OPD Valve on my Propane Tank? National code requires propane cylinders from 4-40 pounds have an OPD.   "Over-Fill Protection Device" (OPD) valves are manufactured with a specific shape to quickly identify them from older valves that do not have the OPD feature.   [...]

Read More »


Purging New Propane Tanks and Propane Cylinders

Purging New Propane Tanks and Propane Cylinders Filling your new propane cylinder for the first time is different than filling a used tank.  When your new cylinder arrives, be sure to read the manufacturer's special "Purging Instructions" found on an adhesive label attached to each tank.  Do not attempt to take your [...]

Read More »