The surface is compliant to NBN S21-019. Itincludesthe
чтобы увидеть альтернативный перевод
- A visible upper part consisting of an iron body with the control
mechanism for a shut-off member, and three lead.
- A part, intended to be buried, comprises a vertical conduit cast
iron, a connection to the supply line in the form of a foot with the
flange bend, a valve and an automatic drain direction.
The hydrant is the omwerpbare type. If the upper part by
collision damaged or demolished, the valve remains on its seat.
The three exhaust vents are equipped with self-sealing couplings