What are the valves before the water meter and the water meter?
Water meter in front of the general installation of non-return valve (check valve, to prevent water backflow pipe).Water meter is usually equipped with gate valve or ball valve...
Before the water meter is installed water inlet valve, you can stop valve, ball valve, gate valve, etc., after the water meter is the home of each point of water valve, such as washing machines, water inlet valve, shower valve, kitchen faucet and so on.
You said you want to install the water meter, the water meter or so, what kind of pipe fittings do you need? If it is the valve, it should be in front of the total water control valve, usually with copper ball valve, globe valve. The following can be arranged in accordance with the direction of the water pipe, where appropriate to use the valve, usually water mouth, galvanized, chrome like that. If it is installed water meter, it should be about the use of pipe fittings are live.
