concrete hose

(1)seal diameter: 20-120mm;
(2)working pressure:4-30MPA;
(3)Working flow:4-4.5 tons per hour;
(4)inflation rate: 1-3times

inflation hose (seal the hole water flooding device)

function as follows:

1.reduce the gas content;

2.reduce the dust , improve coal workers environmet;

3.prevent the coal get fire naturally;

4.prevent the gas or coal explodes.

ID(MM)	OD(MM)	HOLE SIZE	INFLATION RATE	WP(MPA)	BP(MPA)
19	40	45	60	20	40
22	45	50	80	20	40
32	50	60	90	6	24
38	55	65	95	5	20
45	63	75	100	4	16
51	70	90	110	4	16