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Spring Balancers for Pneumatic Tools
ENDO spring balancers with integrated air hose that both suspend and supply pneumatic tools, keeping workstations tidy and ergonomic.
How to choose
What it is for
- Spring balancer with air hose passing through — one hose for support and supply of pneumatic tools.
- Assembly lines with air tools.
Check before you choose
- Tool weight range
- Hose pressure and diameter
- Cable travel
Not suitable for
- Electric tools (use standard spring balancer)
What we will ask you before recommending a model
Spring balancer for pneumatic tools (hose-through) Standard selection — the parameters above are enough to choose the right model.
- Total suspended mass: tool + adapters + the part of hose/cable the balancer carries? Any mass change during work? Mass must be inside the working range; an oversized balancer gives too much return force, an undersized one sinks.
- Cable stroke needed; mounting height; highest and lowest working point? Stroke must cover the working range.
- Air pressure, tool consumption, connection type, hose diameter? The integrated hose must supply the tool's flow; mechanical capacity alone is not enough.
Typical mistakes to avoid
- The integrated hose must deliver the flow the tool needs.
Helpful to have ready: Tool mass · Consumption and pressure · Connection · Stroke
Spring balancers with integrated air supply
These balancers solve two workstation problems with one device: the tool hangs weightless at hand height, and the compressed air reaches it through the balancer itself — so there is no separate hose dragging across the bench or the floor. The result is a tidier station, faster tool pick-up and less wear on hoses and fittings. The range covers hand tools up to 6.5 kg: the ATB series (from 0.5 kg) and the THB-A series stepping up to the THB-65A (5–6.5 kg).
Typical users are assembly lines running nutrunners, grinders, drills and screwdrivers — anywhere a pneumatic tool is picked up hundreds of times per shift. For heavier tools or stations without air-fed tools, the standard spring balancer programme goes up to 200 kg, and hygienic areas are covered by stainless food-industry models. Contact us with the tool weight and air consumption and we will confirm the model.
Frequently asked questions
How does the air supply pass through the balancer?
The balancer body doubles as the air feed: the supply hose connects at the top, the tool hose at the retracting side, so the tool's hose travels with the cable instead of hanging in a separate loop. Air passage specifications are stated per model.
What tool weights do these balancers cover?
From 0.5 kg (ATB-0, THB-15A) up to 6.5 kg (THB-65A) — weigh the tool with its fittings and a working length of hose and choose the model whose range contains that weight near the middle.
What if my tool is heavier than 6.5 kg?
Use a standard spring balancer for the suspension and route the air hose separately — the standard ENDO programme covers up to 200 kg — or consider a pneumatic balancer if the task is positioning workpieces rather than suspending a tool.
How quickly can these balancers be delivered?
Request a quote on the product page with the model and capacity range and we will confirm availability, the current lead time and the delivery cost for your location.