there 4 specification for fire hose circular loom.each specification varied upon the weaving diameter.
 FH150 circular loom can weave 20mm to 150mm.

FH250 circular loom can weave 20mm to 250mm.

 FH400 circular loom can weave 200 mm to 400mm.

FH700 circular loom can weave 400mm to 700mm.

For the large size diameter circular loom can also weave the smaller size,but it will effect the efficincy of the loom production.
so we suggest for the right size,you choose the right loom.

further more,20mm to 150mm majority applied to fire fightinh industry fire hose jacket.

200mm to 400mm even 700mm majority applied to water transfering,fracing,oil transoprting ，agricultural irrigation.