5000psi API 7K Rotary Drilling Hoses Product Description Applicability: 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 Temperature Range: -30°C~ 120°C, or manufactured upon customers' requirements Hose Reinforcement: 2~ 6 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: NKT 60X2.5 , HAMMER UNION 1502 , BSPT 4" Reference Standard: API Spec 7K,ISO 6807 Technical Specification: Product Details Show: Packaging & Shipping Packaging: Company Information Factory and Certification: Welcome to visit our factory. Any question,please feel free to contact us.