Tension
Springs

Ameritool makes tension springs for doors, lids, hatches, and hoods that need to stay closed. These American-made products feature 316 stainless steel construction and always return to their relaxed state once extension is stopped. Unlike gas springs, tension springs work by keeping the piston rod in the closed position.

Tension Springs Types

Find adjustable force and fixed force tension springs from Ameritool. These oil-filled devices operate over a wide temperature range and come in various stroke and length measurements.

Learning About Tension Springs

Ameritool is North America’s leading supplier of stainless steel tension springs, products that are also known as reverse acting gas springs, traction gas struts, and pulling gas springs.

Tension spring applications include tensioners on belt drives.

How is a tension spring different from a gas spring?

A tension spring pulls the piston rod inward. This is the opposite direction of a gas spring.

What is the rod diameter for an Ameritool tension spring?

0.312 in. (7.9 mm)

What is the body diameter?

0.750 in. (19.1 mm)

What is the temperature range?

-40° F to 300° F (-40° C to 148° C)

What are the force increments?

10 pounds

Gas Springs

Specialty Gas Springs

Dampers

Tension Springs

Mounting Hardware

Installation & Use