rotary drilling hose , API 7K rotary drilling hose
Made according to API Spec. 7K . ISO9001:2000

rotary drilling hose , API 7K rotary drilling hose

We had exported to Poland and Saudi Arabia and Russia etc.

Temperature Range: -30°C~82°C, or manufactured upon customers' requirements

Hose Lining:
Principally NBR constructed, featuring oil-resistant, abrasion-resistant, acid & alkali resistant

Hose Reinforcement:
2~8 layers spiraled by single high-strength steel wire, and rubber as a binder to make the layers into one complete and sound construction

Hose Cover:
Primarily CR fabricated, featuring oil-resistant, abrasion-resistant, weatherproof and anti-ageing

Coupling Type:
LP (Line Pipe Thread) and TBG (Tubing Thread) of API Spec 5B 

Thread: NPT BSP BSPT
Integral type union joint and flange joint
Particular types upon customers'specific requirements

Reference Standard:
API Spec 7K,ISO 6807