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SL991
Rotary Drilling And Vibrator Hose
API Spec. 7K FSL 1 FSL 2 | ABS
Key words:
Rotary Drilling And Vibrator Hose
Classification:
Quick Overview:
The SL991 Rotary Drilling and Vibrator Hose, also known as a rotary hose, mud hose, or vibrator hose, is designed for high-pressure mud delivery in drilling and well servicing. Built to API Spec. 7K standards, it ensures reliable performance between the standpipe, rotary equipment, and mud pump. With an operating range from -20°C to +121°C and pressure ratings up to 7,500 psi, it combines flexibility with abrasion and weather resistance. Widely used on rotary tables, top drive drilling systems, mud pumps, and standpipe manifolds, this hose helps operators achieve stable fluid circulation, extended service life, and reduced downtime in critical drilling operations.
Description
SL991 Rotary Drilling and Vibrator Hose – API 7K & ABS Certified
Application:
• Flexible connection between standpipe and rotary/top drive equipment
• Mud delivery between mud pump and standpipe during drilling and cementing
• High-pressure drilling, exploration, and well servicing operations
• Suitable for onshore and offshore rigs requiring stable, high-pressure mud circulation
Construction & Materials：
• Inner Tube: Synthetic rubber, HNBR, UPE, or PTFE for superior chemical and fluid resistance
• Reinforcement: Multi-spiraled, high-tensile, ultra-flexible steel wire for extreme pressure durability
• Outer Layer: Abrasion- and weather-resistant synthetic rubber for rugged drilling environments
• Temperature Range: -20°C to +121°C (-4°F to +250°F)
• Connectors: Integral union, integral flange, or customized full-bore options available
Key Features:
• Certified to API 7K for drilling and well servicing reliability
• Handles high-pressure mud up to 7,500 psi with stability
• Flexible design allows use in tight rig spaces
• Resistant to harsh weather, oil-based and water-based drilling fluids, and abrasion
• Ensures uninterrupted drilling fluid flow for safer operations
• Customizable lengths, bores, and connectors for specific rig requirements
Standards & Certifications
• API Spec. 7K certified for drilling and mud delivery applications
• Designed and tested to meet international oilfield safety and performance standards
• Suitable for both land rigs and offshore platforms
Specifications:
|
PRESSURE LEVEL |
I.D. |
O.D. |
W.P. |
T.P. |
Min.B.P. |
Min.B.R. |
Weight |
|
psi |
inch |
mm |
psi |
psi |
psi |
mm |
kg/m |
|
5000 |
2 |
75 |
5000 |
7500 |
12500 |
800 |
6.4 |
|
2-1/2 |
90 |
5000 |
7500 |
12500 |
800 |
8.7 |
|
|
3 |
104 |
5000 |
7500 |
12500 |
1000 |
11.1 |
|
|
3-1/2 |
121 |
5000 |
7500 |
12500 |
1200 |
14.4 |
|
|
4 |
134 |
5000 |
7500 |
12500 |
1200 |
16 |
|
|
5 |
167 |
5000 |
7500 |
12500 |
1400 |
24.5 |
|
|
6 |
196 |
5000 |
7500 |
12500 |
1600 |
33 |
|
|
7500 |
2 |
77 |
7500 |
11250 |
18750 |
900 |
8.5 |
|
2-1/2 |
94 |
7500 |
11250 |
18750 |
1000 |
10.5 |
|
|
3 |
110 |
7500 |
11250 |
18750 |
1000 |
18.5 |
|
|
3-1/2 |
128 |
7500 |
11250 |
18750 |
1200 |
20 |
|
|
4 |
150 |
7500 |
11250 |
18750 |
1400 |
30 |
|
|
5 |
183 |
7500 |
11250 |
18750 |
1600 |
49 |
|
|
6 |
212 |
7500 |
11250 |
18750 |
1600 |
60 |
Customized options in 1500, 2000, and 4000 psi (2"–6") are available upon request.
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Senflow Tech Co., Ltd. specializes in high-performance hydraulic and industrial hose systems, delivering globally certified solutions for industries such as construction, energy, mining, and shipbuilding — enabling smarter, safer, and more efficient fluid transfer.
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