Series 204B: Sand Suction Hose (Type B)

Applications: It is suitable for dredging dredger in river, harbor and lake under the ambient temperature of -20 ° C ~ + 40 ° C.

Features: The hose is made of special rubber with excellent abrasion resistance，and is made of canvas or cord fabric structure and reinforced with spiral steel wire, can withstand strong negative pressure, anti-flat force.

Reference standard：HG/T2490-2023 《Rubber hoses and hose assemblies,wire or textile reinforced,for dredging applications-Specification》.

TYPE	I.D		Layer	D.E.L	O.D	Max. Length
	mm	in	P	mm	mm	m
204B-6403	64	2-1/2	3	90	83	20
204B-7603	76	3	3	100	95	20
204B-8904	89	3-1/2	4	120	110	20
204B-10204	102	4	4	130	125	10
204B-10206	102	4	6	130	128	10
204B-11405	114	4-1/2	5	130	141	10
204B-12705	127	5	5	130	155	10
204B-12706	127	5	6	130	156	10
204B-15206	152	6	6	150	182	10
204B-17808	178	7	8	150	215	10
204B-20308	203	8	8	200	241	10
204B-25410	254	10	10	200	302	10
204B-30512	305	12	12	230	360	10
204B-35612	356	14	12	230	414	10
204B-40612	406	16	12	250	465	10

Note:

1. Hoses of more specifications (of flared type hoses included) unlisted in the table could be designed and produced to meet your needs.

2. Compared with Type A hoses, Type B can bear greater negative pressure and has better  wear resistance.

3. Hoses with steel-ring casing ply (i.e. gourd heavy-duty mud discharge and suction hose) are available, sturdy, durable and quality ensured.  

4.The product will be continuously improved, the actual situation may be different from this information, the company reserves the right to change without prior notice.