How much is a group of mine balanced non pressure air valves | two way non pressure air valves

  Mining balanced non pressure split damper | how much is a group of two-way non pressure dampers? Too many customers ask you when they call
Are there any balanced non pressure split dampers and two-way non pressure dampers for mining? Yes, how much is a group
The price is correct, but first of all, you need to know the size of your non pressure damper
Second, you need to know what kind of material it is
Here, you need to know what kind of locking device it is equipped with
Only after knowing these three questions can I give you an offer, right, dear

The sizes of non pressure dampers required by coal mines are different, so there is no fixed size
The commonly used ones are 2
0*2
0, 1
5*1
5 and 3
0*3
0, most of which are unconventional sizes

At present, the most commonly used materials are iron, bamboo plywood, polymer and wood
Different materials, different workmanship, different construction periods and different prices

The supporting devices commonly include mechanical locking, pneumatic locking, electromagnetic locking, pneumatic semi-automatic device, full-automatic pneumatic device, full-automatic hydraulic device and pure electric control device
The price varies with different devices,
So dear customers, when you make an inquiry, you must understand these three questions before you can ask for an accurate price
A lot of dealers who don't understand give you quotations
That's fooling you
It seems that the price is cheap
It doesn't necessarily save you any money
Are you right