sanitary check valve 1.specialize 2.the diversity of the products 3.manufacturer,competitive price 3.CE&ISO certification

check valve

 be made in our company hve been constanly receiving repution not only at home but overseas.This valve is our special product ,and it is used for draining sewage .In such foreign countries  as Spain or America,it is usually named as duckmouth-shaped valve .We are continuoully doing our best to make this valve more practical and more perfect .The valve can be matched with straight pipement ,flange pipe ,cement pipe .At the same time ,they may be widely used on the coast,seasands,reservoirs,and so on in order to dispose the sewage or to dredge the floods.Indeed,it is enviromentally -friendly valve.

matdhing  pipeline DN	valve step(A)	pipeline touching (B)		matdhing pipeline	valve step(A)	pipeline  touching (B)
1/2"~3/4"	15	15		10"	50	50
1"~1/4"	20	20		12"~14"	100	100
1-1/2~2-1/2	25	25		16"~20"	150	150
3"	40	40		24"~36"	200	200
4"	50	50		42"	250	250
6"	50	50		48"~60"	300	300
8"	50	50		72"	400	400

  

rubber sanitary check valve