The sand and gravel can not easily block the slot because of the special bridge design., it has great mechanical strength and water entering capacity.meanwhile, it use steel punching technology and rolled in many ways, so it is light, cheap and easily operating. We use CNC to punch, so the slot can change as your requirements.In order to give customers more convenience, we can offer any diameter screens , we also offer galvanized ones to prolong the operational life.

ND( mm)	146	159	219	273	325	377	426	529
ID	130	140	138	200	198	254	250	246	305	300	297	357	350	346	406	400	398	502	500	498
WT	5	5	6	5	6	5	6	8	5	6	8	5	6	8	5	6	8	6	7	8
Coupling	146	160	162	220	226	274	278	278	325	328	329	377	378	379	426	428	432	529	530	531

We also can produce them along with the API and ISO9001, Welcome all the buyers and distributors cooperate with us.

We have manufactured this kind of products for several years and we are famous for our profession.

Welcome to Xinxiang city and have a visit to our factory.