Mobile power with up to 650 Nm

With the new battery-operated gate valve wrench GMS 650 Z you can move even large and heavy gate valves.

The newly developed WEROWAVE technology with its construction of high-quality components guarantees a long service life. In addition, the three Li-HighPowerpacks, which are included in the scope of delivery, ensure a maximum operational readiness in everyday working life. The new Festool drive is also even easier to operate.

With its 650 Nm continuous torque, the GMS 650 Z is your professional partner in the gas, water, sewage and industrial sectors. A wide range of accessories, such as the wero telescopic drive linkage for the ergonomic operation of underfloor gate valves, the telescopic support for trailer coupling for particularly high-torque applications or the many separately available adapters make the GMS 650 Z a multi-talent and the first choice for all users. And that with a total weight of only 5.7 kg!

Request nowGMS 650 Z as a set

With its 650 Nm continuous torque, the GMS 650 Z is your professional partner in the gas, water, sewage and industrial sectors.
wero Antriebstechnik GmbH - gate valve wrenches with new drive and accu

Top features of the GMS 650 Z:

  • up to 650 Nm continuous torque and a breakaway torque of 900 Nm, maximum 60 rpm spindle speed
  • 18 VDC brushless EC-TEC motor with metal gearbox, 4 speeds and electronic torque cut-off
  • drive unit can be rotated 360° for ergonomically comfortable application adaptation
  • integrated differential counter module for recording the spindle revolutions
  • drive unit can be rotated 360° for ergonomically comfortable application adaptation
  • incl. 3/4“ tool quadrant outlet, 33 mm interchangeable quadrant and cardan joint
  • incl. 3 pieces Li-HighPower battery packs, 4.0 Ah
  • optional aluminium case for easy storage and safe transport
  • extensive accessories for many areas of application, e.g. under- or above-ground hydrants, manhole cover locks, tapping devices, crane winches and for emergency operation of automated drives is optionally available

Battery-operated gate valve wrench GMS 650 by wero

GMS 650 Z

GMS 650 Z as a set with optional aluminium case.
Battery-operated gate valve wrench GMS 650 by wero

GMS 650 Z

Adapter plate 360° rotatable for flexible positioning of the support function.
Battery-operated gate valve wrench GMS 650 by wero

GMS 650 Z

Fold-out support handle for optimal operation.
Battery-operated gate valve wrench GMS 650 by wero

GMS 650 Z

With 4-speed gearbox.
Battery-operated gate valve wrench GMS 650 by wero

GMS 650 Z

wero side gear and wero telescopic drive linkages and joints for the operation of gate valves in underground shaft structures.
Battery-operated gate valve wrench GMS 650 by wero

GMS 650 Z

Integrated differential counter module for recording the spindle revolutions.
Battery-operated gate valve wrench GMS 650 by wero

GMS 650 Z

Integrated differential counter module for recording the spindle revolutions.
Battery-operated gate valve wrench GMS 650 by wero

GMS 650 Z

Optionally available with castors for ergonomic transport.
Battery-operated gate valve wrench GMS 650 by wero

GMS 650 Z

wero multi-function adapter for hand wheels (for 3, 4 or 5-spoke versions in various designs)
Battery-operated gate valve wrench GMS 650 by wero

GMS 650 Z

Support foot and telescopic output rods for optimum stability.
Battery-operated gate valve wrench GMS 650 by wero

GMS 650 Z

incl. support foot and telescopic output rods for optimum stability, optionally available with castors for ergonomic transport.
Battery-operated gate valve wrench GMS 650 by wero

GMS 650 Z

In use at our customer.
Battery-operated gate valve wrench GMS 650 by wero

GMS 650 Z

In use at our customer.
Battery-operated gate valve wrench GMS 650 by wero

GMS 650 Z

In use at our customer.
Battery-operated gate valve wrench GMS 650 by wero

GMS 650 Z

In use at our customer.


Why wero?

wero has already won numerous tenders with its slide turning machines - both nationally and internationally. Why? Convince yourself of the user-friendliness and performance with the adjacent video (german).