Somehow unsuccessfully in previous article the last scheme took place. Therefore, I now will repeat it on fig. 1. Again I will remind, as it works, it now is required to us. In principle, we already met the similar device, only then it there were not protective fittings, and regulating. The on-off regulating valve very probably works, only in our case Continue reading →

We got acquainted with turnaround fittings. Excellent and reliable devices, only at a rupture of the pipeline such devices do not solve all complex of tasks. There is a speech about a rupture of pipelines. In particular it essentially when the working environment represents danger. Such situation quite often appears on chemical production or the nuclear Continue reading →

Let’s continue conversation on safety valves. Such valves in most cases happen odnosedelny, then the barrier mechanism is on the design center. But dvukhsedelny options meet also. Then saddles take place in parallel, and pressing the mechanism is between them. For us big distinctions in the constructive decision are not present.

Fig. Continue reading →

Still there is one fascinating design of interflange turnaround valves. These are folding turnaround valves. In principle the similar design met to us and earlier. There too the disk for overlapping of movement of a working environment was used. That disk fastened for one edge, and to it the free wheeling equal to a diameter of a disk was required. Continue reading →

With coming of summer our utility services, start to disconnect (for repair prevention silt) hot water. Having faced from absence water supply frying, there is an idea, than it is possible to warm up water? There is a large quantity of types of water heaters but before venturing not purchase, it is necessary to find, to what specifically the device Continue reading →

Now we will start to get acquainted with one more class of the necessary devices. Such device the turnaround valve is called. The device title if does not say, hints us at its appointment. The problem of these devices not to allow change of the direction of a stream of a working environment. In other words, in one direction such valves pass a stream, Continue reading →

Tariffs for utilities, for today, nesusvetno are raised. There is a possibility of fall of costs, thanks to installation of water counters, separately on hot and cool water. These devices according to the accounting of water are created for fixation of volume of the used water in water supply system. It is dependent on a way of measurement, the Continue reading →