API 7K Mud Hose | 4 Inch 2000 PSI Rotary Hose with Fig. 400
Engineered specifically for demanding onshore drilling, exploration, and mining fluid circulating systems, our API 7K mud hose provides exceptional reliability under intense pressure pulsations and mechanical vibration. Built in strict accordance with API Spec 7K Grade B standards and FSL 2 quality levels, this 4 inch high pressure mud hose ensures superior safety and durability across harsh operational landscapes.
Available in standard 30 ft and 60 ft lengths, each assembly is factory-equipped with robust 4″ Fig. 400 Female x Male hammer union fittings. This configuration ensures rapid, leak-free rig connections, making it the ideal rotary and vibrator hose solution for contractors seeking maximum uptime and minimum operational risk.
Rigorous proof and burst testing conducted on every API 7K mud hose assembly prior to dispatch.
Clear embossing showing ID, WP, API 7K standard, temperature range, and FSL 2 traceability.
Secure wooden crating ensuring thread and fitting protection during international transit to South Africa.
Product Technical Specifications
| Specification Parameter | Technical Details |
|---|---|
| Product Designation | API 7K Mud Hose / Rotary & Vibrator Hose |
| Inner Diameter (ID) | 4 Inch |
| Working Pressure | 2,000 PSI |
| API Standard & Grade | API Spec 7K, Grade B |
| Product Specification Level | FSL 2 |
| Temperature Range | -20°C to 121°C (-4°F to 250°F) |
| Standard Lengths | 30 ft (approx. 9.1m) and 60 ft (approx. 18.3m) |
| End Connections | Hammer Union 4″ FIG. 400 (Female x Male) |
Engineered Advantages for South African Drilling
FSL 2 Quality Assurance & Grade B Strength
Operating under FSL 2 certification means every API 7K mud hose undergoes strict material verification and factory hydrostatic testing. Combined with Grade B high-tensile reinforcement, the hose withstands the rigorous hydraulic shocks and bending stresses of directional drilling operations.
Rapid Rig-Up with Fig. 400 Hammer Unions
Equipped with 4″ Fig. 400 FxM hammer union ends, our mud hoses allow fast, secure connection to standpipes and pump manifolds without complex adapters, drastically cutting non-productive time during rig moves.
Thermal and Abrasive Resilience
Designed to perform flawlessly from -20°C to 121°C, the inner tube resists abrasive oil-based and water-based drilling muds, preventing premature internal erosion across diverse climatic conditions.