nozzle cover, nozzle cover

1) According to the material, there are: iron sleeve steel sleeve  plastic sleeve  nylon sleeve

2) According to Luo Ya points:

Fine teeth:  rib diameter DN 34.5  teeth pitch 1.5 teeth    Usually used for C-type guns (C-type also has coarse teeth);

Coarse tooth: rib diameter DN36       tooth pitch 2.0 tooth    usually used for B-type gun

Other tooth spacing such as 5/8 teeth.

Can be processed according to drawings.