4 or 6 spiral wire reinforced hoses of SROCK-FLEX sereis can withstand up to 210–700 bar (21–70 MPa) working pressure.

It is flexible and easy operating in undermine and other limit space working. Besides, it can extend hose service life even in harsh environments.

1 layer of braided wire reinforcement hoses ≥ 150,000 cycles; two layers of braided wire reinforcement hoses ≥ 200,000 cycles, 4 and 6 layers of spiral wire reinforcement hoses ≥ 500,000 cycles.

This SROCK-FLEX series hoses is specially designed for mine and coal mine working during harsh environments and high pressure conditions.