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.
