Use these valves for boiler maintenance and other low-pressure plumbing applications. They're for use with water. All gradually open and close to adjust and regulate flow.

For lightweight and corrosion-resistant alternative to metal, these valves are plastic. Attach garden hose to the valve outlet. Use with water. These valves gradually open and close to adjust and regulate flow.

Rated for twice the pressure of other threaded flow-adjustment valves, these are often used in refineries and other demanding environments. Use with water, oil, air, and inert gas. They gradually open and close to adjust and regulate flow.

Insert unthreaded pipe into the socket ends and weld to create a permanent, leak-tight connection. These valves are for use with water, oil, air, inert gas, and steam. They gradually open and close to adjust and regulate flow.

Solder these valves to copper tubing for a permanent, leak-tight connection. Use them with water and oil. All gradually open and close to adjust and regulate flow.

Often used with portable cryogenic cylinders, these valves are a third of the height of other valves for cryogenic liquid. They are designed to withstand the extreme cold of liquid argon, liquid carbon dioxide, and liquid nitrogen. All are cleaned and bagged to meet CGA G-4.1 standards for oxygen service. These valves gradually open and close to adjust and regulate flow.