After more than 20 years manufacture in welded liquid filter bags,
we accumulated full experiences in liquid filtration felts produce,
design and improve the welding machine for target customers.
Now the welding machine become our second business support for
We design two kinds production line to produce the FSI ( Sharp
bottom style) & Eaton ( Round bottom style) liquid filter bags.
It is easy to operate and maintain, each parts and every step to
weld the needle punched felt we can give you the construction
advise,like the melt temperature, the weld time, the hold time and
so on, since we also produce the bag everyday.
Simply speaking , there are two main parts to compose the unit
Part I: Ultrasonic welding machine for the sealing between polylock
and fabric, and the fabric bottom sealing together.
Part II Hot-air welding machine for fabric welding together
More details kindly mail us.