db57d230 Мдф 16 мм цена за лист здесь еще больше.

15.6. Installation of manometers for measurement of pressure

Connection of manometers

1 – the party with high pressure;
2 – the party with high pressure;
3 – low pressure;
4 – high pressure;
5 – the party with low pressure;
6 – the party with low pressure.

In the air conditioning system with R-134a coolant there are ports with "quick-detachable connections" of adapters. Each adapter represents the plug with a female thread for protection of system from hit of the polluting impurity.

1. Close both valves on the highway.
2. Connect adapters of manometers to the relevant ports.
3. Manually tighten nuts of fastening of hoses of adapters.