Hydrant wrench

A distinction

• The tools for the commissioning of over-or above-ground hydrants ( in Germany: Key A and B according to DIN ), over or above-ground hydrants, called keys. When hydrants case without coat a large inner triangle is the release of the A- or B- blind cover to the Storz couplings for pressure taps. At the other end of the ignition key contains an arc with a stud which can snap into the head part of the hydrant, allowing the opening or closing of the hydrant. When hydrants with drop jacket is an in- the middle of the key inner triangle to actuate the fire hydrant located in the head trihedral, whereby the case is solved jacket and slides down. The large triangular also serves the release of the A- Blind cover.

And

• The tool for the operation of underground hydrants and valves and stopcocks to most ground systems, for example in the water distribution system ( in Germany Key C according to DIN ), gate, underground hydrants, or colloquially standpipe key called. The key resembles a large T. At the lower end (A) is an inner square that a corresponding nut ( male square ), can be mounted on the valve stem. At one short end (B ) of the T peak is forged on an angle, with the aid can be the road caps, which are built on the slides open.

In Austria, these keys are also colloquially known as " Salbachschlüssel " because you come up with that the Salbachverschluss from road water and closes.

Swell

• DIN 3223
• Training for the fire service, " troop ", Neckar -Verlag, 2005

• Fluid Power
• Control element
• Hand tools
• Firefighting Equipment
• Fire water supply