Fire-Rated Tensioner Hose NHG-SZ

• application:

used f transmission of fire resistance hydraulic oil, used with riser tensioner on deepwater semi-submersible drilling platfm to compensate the drift stroke of the drill pipe.

• stard: api spec 7k / api spec 17k/ gb/t31065

• api monogram no.: 7k-0458/ 17k-0008

• hose structure:

tube: stainless steel carcass + nbr hnbr rubber based liner sealing layer, oil resistance, crosion resistance, high temperature resistance, gas permeation resistance(hnbr)

breaker layers external protection layers: high tension textile fabric layers

maj reinfcement f withsting pressure: high strength steel cable

fire proof layers: fiber glass layers underneath cover rubber.

cover: neoprene rubber based cover, fire-proof, wear resistance, oil resistance, ozone/ageing resistance, uv resistance, which is applicable f challenging marine environment.

• fire resistance accding to stard api spec 16c, at 704℃ ×30min

• different option of external protection layer are available as request， by our recommendation accding to specific operation condition, f example stainless steel outer wrap arm, embedded stainless steel wire in cover, polyethylene spiral guard, etc.

• wking temperature: class i, -25 to +82 ℃

• flexibility specification level: fsl1

• maximum length: 60m

• length tolerance: 6.4m ± 64 mm below, ± 1％ of hose with a length of greater than 6.4m

• measuring basis of minimum bending radius is the center line of each hose