Product Details

Product Description

Structure: The hose consists of an inner tube, reinforcement layer, middle layer and rubber cover.

Feature: The hose body length decreased, the diameter increase and on the expansion state after hose enduring internal upright pressure. Under this conditions, the hose accomplishes the hole sealing function.

Application:

A. Apply to coal mine and clear dust.

B. Apply to engineering construction and leak prevention construction underground.

C. Apply to tunnel exploitation and pour cast underground and underwater.

Inside Diameter	Outside Diameter	Expansion Range	Hole Radius	Working Pressure	Burst Pressure
mm	mm	mm	mm	MPa	MPa
22±0.5	39±2	+8-4	50	6	29.4
22±0.5	39±2	+8-2	50	6	29.4
32±0.5	48±2	+8-4	56	6	29.4
32±0.5	48±2	+8-2	56	6	29.4
38±0.8	54±2	+8-4	65	4	16
38±0.8	54±2	+8-3	65	4	16
45±0.8	60±2	+8-4	75	4	16
45±0.8	60±2	+8-3	75	4	16
51±1	69±2	+8-4	91	4	16
51±1	69±2	+8-3	91	4	16
64±1	80±2	+8-4	110	4	16
64±1	80±2	+8-3	110	4	16
76±1	94±2	+8-4	130	2	12
76±1	94±2	+8-3	130	2	12