CONSTRUTCION:The hose consists of an inner tube,reinforcement layer,middle layer and rubber cover.
FEATURE:The hose boby 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.
USE:a.suitable in coal mines for clearing dust and discharging gases;
b.suitable for leakage prevention in underground engineering projects;
c.suitable for tunnel and underwater injectioncast tunnel exploration;
d.suitable for any other underground study.