Rotary Drilling Hose
Application: Commonly used in rotary drilling service as flexible connectors of mud manifold to transfer water-base mud and/or oil-base mud at high pressure in large volumes
Tube: Principally NBR constructed, featuring oil-resistant, abrasion-resistant, acid & alkali resistant
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
Cover: Primarily CR fabricated, featuring oil-resistant, abrasion-resistant, weatherproof and anti-ageing
Working Temperature: -30°C~82°C, or manufactured upon customers' requirements
Coupling Type: LP (Line Pipe Thread) and TBG (Tubing Thread) of API Spec 5B
Integral type union joint and flange joint, particular types upon customers' specific requirements
Reference Standard: API Spec 7K,ISO 6807
Applicable standard: API Spec 7k. SY/T5469-92 | | |  |  | | Structure picture | Real product picture | | | |
Specification:| Inner dia.(in) | Classes | Operating pressure (psi) | Test pressure (psi) | Min. bending radius(mm) | Connector code | | 2" | A | 1500 | 3000 | 800 | TBG,LP | | B | 2000 | 4000 | 800 | | C | 4000 | 8000 | 850 | | D | 5000 | 10000 | 850 | | E | 7500 | 15000 | 900 | | F | 10000 | 15000 | 950 | | G | 15000 | 22500 | 1000 | | 2 1/2" | A | 1500 | 3000 | 900 | TBG,LP | | B | 2000 | 4000 | 900 | | C | 4000 | 8000 | 1000 | | D | 5000 | 10000 | 1000 | | E | 7500 | 15000 | 1050 | | F | 10000 | 15000 | 1100 | | G | 15000 | 22500 | 1150 | | 3" | A | 1500 | 3000 | 950 | TBG, LP | | B | 2000 | 4000 | 950 | | C | 4000 | 8000 | 1050 | | D | 5000 | 10000 | 1050 | | E | 7500 | 15000 | 1100 | | F | 10000 | 15000 | 1150 | | G | 15000 | 22500 | 1150 | | 3 1/2" | A | 1500 | 3000 | 1000 | TBG,LP | | B | 2000 | 4000 | 1000 | | C | 4000 | 8000 | 1100 | | D | 5000 | 10000 | 1150 | | E | 7500 | 15000 | 1150 | | F | 10000 | 15000 | 1200 | | G | 15000 | 22500 | 1050 | | 4" | A | 1500 | 3000 | 1050 | TBG,LP | | B | 2000 | 4000 | 1050 | | C | 4000 | 8000 | 1100 | | D | 5000 | 10000 | 1100 | | E | 7500 | 15000 | 1150 | | F | 10000 | 15000 | 1200 | | 5" | A | 1500 | 3000 | 1200 | LP | | B | 2000 | 4000 | 1200 | | C | 4000 | 8000 | 1300 | | D | 5000 | 10000 | 1300 |
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