Product description
The Straight Pipe with Integrated Flange is a one-piece forged flowline component designed for high-pressure fluid transmission in oilfield surface equipment. These straight pipes are widely supplied for fracturing equipment, cementing systems, well testing units, high-pressure manifolds, and other oilfield pressure control applications.
Key Features
• One-piece forged construction eliminates welded joints for improved structural strength and reliability.
• Precision CNC machining ensures accurate dimensions and reliable flange connections.
• API standard ring groove designs (including R, RX, and BX configurations) provide dependable metal-to-metal sealing.
• OEM manufacturing supported according to customer drawings and technical specifications.
Standard Specifications
|
Bore Size |
Working Pressure |
Standard Length |
Sealing Configuration |
|
2-1/16" |
35 MPa (5,000 psi) |
500–3,000 mm |
R24 / BX152 |
|
2-9/16" |
70 MPa (10,000 psi) |
500–3,000 mm |
R27 / BX153 |
|
3-1/8" |
105 MPa (15,000 psi) |
500–3,000 mm |
R35 / BX154 |
|
4-1/16" |
140 MPa (20,000 psi) |
500–3,000 mm |
R39 / BX155 |
Manufacturing & Quality Control
Every Straight Pipe with Integrated Flange is produced through standardized manufacturing and inspection procedures.
Production processes include:
• Alloy steel forging
• Controlled heat treatment
• CNC precision machining
• Flange face machining
• Ring groove machining
• Dimensional inspection
• Surface quality inspection
• Final product verification before delivery
Our production facility covers 35,000 m² and operates more than 80 sets of CNC machining centers, horizontal boring mills, CNC lathes, and automated robotic equipment, enabling stable production for both standard products and customized projects. The company has established an ERP-based quality management system to ensure manufacturing consistency, process traceability, and efficient production management.
Custom Manufacturing
To meet different field requirements and equipment configurations, customization services are available for:
• Pipe length
• Bore size
• Working pressure
• Flange dimensions
• Ring groove configuration
• Material selection
• Surface treatment
• Product marking
• OEM production according to drawings
Engineering support is available during product selection and manufacturing to ensure compatibility with existing pressure control systems.
Certifications
The company's quality management system supports the manufacturing of high-pressure oilfield equipment through internationally recognized certifications, including:
• API Q1 Quality Management System
• API 6A Product Certification
• ISO 9001 Quality Management System
• ISO 14001 Environmental Management System
• ISO 45001 Occupational Health & Safety Management System
• License for Pressure Pipeline Component Manufacturing
• Measurement Management System Certification
Inspection reports and relevant documentation can be provided according to project requirements.
Packaging & Delivery
Packaging
• Protective covers for flange sealing surfaces
• Rust preventive treatment before shipment
• Wooden cases or steel pallets for export transportation
• Packaging customized according to shipping requirements
Delivery
• Standard products available according to the production schedule
• OEM and bulk manufacturing supported
• Sea, rail, road, and air transportation are available depending on the destination
FAQ
Q: What pressure ratings are available?
A: Standard pressure ratings include 5,000 psi, 10,000 psi, 15,000 psi, and 20,000 psi.
Q: What pipe lengths can be supplied?
A: Standard lengths range from 500 mm to 3,000 mm, while custom lengths can be manufactured according to customer requirements.
Q: Can you manufacture according to drawings?
A: Yes. OEM production is available based on customer drawings, technical specifications, or project requirements.
Q: Which sealing system is used?
A: Standard products use API BX ring groove sealing configurations for high-pressure applications.
Q: Which markets do you mainly supply?
A: Our products are supplied to customers in China, Russia, Kazakhstan, the Middle East, and other international oilfield markets.
Q: Can inspection documents be provided?
A: Yes. Product inspection records and relevant quality documentation can be supplied according to contract requirements.
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