Regulator Adapters

This is our regulator adapter page. This is just the beginning page for all the different regulator adapters. We have tons of adapters if you are looking for something specific please call us.

Johns Quick Tip’s: Figuring out Thread Sizes

3/8" O-Ring

Low Pressure Hoses at First stage. This is the size of your first stage low pressure side. There are numerous conversion adapters. The o-ring used here is a 011.

½" O-Ring

Low Pressure Hoses at First stage. This is special port on some regulators on the first stage low pressure side. There is usually only one of these ports. It is common on the ATX series of Apeks Regs. The o-ring used here is a 013.

7/16" O-Ring

High Pressure Hoses at First Stage. This is size of the high pressure port on the first stage of your regulator. The o-ring used here is 012.

9/16" O-ring

This is the size of the second stage regulator fitting. It is a male fitting and screws into your second stage hose.

1/8” NPT

This fitting is commonly used in paintball and some scuba applications. The fitting is smaller in size and about the same size as a first stage regulator hose o-ring fitting. NPT stands for National Pipe Thread. NPT will have a taper that starts at the end of the fitting and gets wider as it gets closer to the center. They will usually be seen with Teflon tape on them. Common applications are Aqualung Tank Checkers, Paintball, Quick Connects and actuator valves on compressors

¼” NPT

This is one of the most common sizes seen on blending whips. The fitting is larger about the thickness of your small finger. NPT stands for National Pipe Thread. NPT will have a taper that starts at the end of the fitting and gets wider as it gets closer to the center. They will usually be seen with Teflon tape on them. NPT is common on most blending whips, compressor adapters, blowguns, air tools, lift bag valves and many others.