Product Overview

Bypass Tee fittings are engineered pressure containment equipment that enables contractors and pipeline companies to safely install temporary bypass lines, perform maintenance, or isolate sections of a pipeline without interrupting service, minimizing costly downtime and operational risks.

Core Advantages:

• Guaranteed Uptime: Enable critical repair and modification work on oil, gas, and chemical pipelines under full pressure, eliminating production losses.

• Engineered Safety: Designed and manufactured to withstand extreme pressures (up to Class 900) and temperatures (-20°C to 200°C), providing a reliable seal for safe hot tap stopple bypass operations.

• Unmatched Versatility: Customizable for a vast range of pipe sizes, pressure ratings, and materials (Q345R, A516, etc.), making them the ideal solution for diverse systems.

• Proven System Compatibility: Integrates seamlessly with standard line stop fitting procedures and components, supported by a full suite of accessories like welding tees, blind flanges, and sealing gaskets.

Detailed Product Description

A Bypass Tee is a fundamental Pipeline Isolation Fitting used in conjunction with Hot Tapping and Line Stop procedures. The process involves:

1. Hot Tap: A Full-Encirclement Split Tee or Split Cross for Hot Tapping is welded onto the live pipeline. A tapping machine then safely creates an opening through the pipe wall.

2. Bypass Line Installation: Valves and a temporary pipeline are connected to the outlets of the Bypass Tee, creating an alternative flow path.

3. Line Stopping: A Line Stopper Fitting or Mechanical Pipeline Plugging Device is inserted through the tee to isolate the downstream section requiring work.

4. Commissioning & Decommissioning: After maintenance, the line stop tools are removed, the temporary bypass is taken down, and the tee is permanently sealed, all without stopping the flow.

Technical Specification Table

Core Components & Construction

Our Bypass Tees are not just commodity Pipe Plugging Components; they are precision-engineered Pressure-Activated Sealing Fittings. Key components include:

• Reinforced Tee Body: Fabricated from certified pressure vessel-grade plate, ensuring structural integrity.

• Precision Machined Flanges: Provide leak-proof connections to valves and temporary piping.

• Complete Accessory Kit: Each fitting is supported by Stopple Fittings kits containing high-strength stud bolts, nuts, gaskets, and seal blocks tailored for the specific application.

Core Problems Solved

• “Unplanned pipeline shutdowns cost millions per hour in lost production.” Our fittings enable Pipeline Plugging without interruption.

• “Traditional repairs require hazardous welding on live lines.” The hot tapping process is a safer, engineered alternative.

• “Finding reliable Pipeline Isolation Plugs for high-pressure systems is difficult.” We provide certified solutions for pressures up to Class 900.

• “Every project has unique specs; off-the-shelf fittings don’t fit.” We are a custom manufacturer offering tailored dimensions and materials.

Real-World Application Scenarios

1. Emergency Pipeline Repair: Isolate a damaged section using a Four-Way Type Stopple Fitting to install a bypass, allowing continuous flow during repair.

2. Pipeline System Modification: Use a Hot Tapping Cross to safely tie-in a new valve or branch line to an existing, operational pipeline.

3. Preventive Maintenance & Inspection: Isolate critical equipment like pumps or meters for servicing without a full system shutdown.

4. City Gate Station Work: Perform essential maintenance on urban gas distribution networks with zero service disruption to consumers.

Comparative Advantages

We stand out not just as a supplier, but as a solution partner:

• Custom-First Approach: While many companies offer standard sizes, we specialize in custom-engineered Bypass Connection Tees to your exact P&ID requirements.

• Full Documentation: Each fitting ships with material certs, design calculations, and MTRs, ensuring compliance for your contractor and regulatory audits.

• Direct Factory Support: Access engineering expertise directly, ensuring your line stop fitting installation is designed correctly from the start.

Certifications, Safety & Quality Standards

• Design & Manufacturing: All fittings are designed per ASME B31.3/ B31.8 and GB codes. Manufacturing follows ISO 9001:2015 quality management systems.

• Material Traceability: Every plate and forging is fully traceable with mill test reports.

• Non-Destructive Testing (NDT): 100% radiographic (RT) or ultrasonic (UT) testing of welds is standard, with additional PT/MT as required.

• Pressure Testing: Every Bypass Tee undergoes a hydrostatic test at 1.5x design pressure, documented with a certified test report.

Customer Testimonials & Case Studies

Case Study: Natural Gas Transmission Line Valve Replacement

• Client: A national gas transmission company.

• Challenge: Replace a critical 36-inch mainline block valve without interrupting supply to downstream cities and industries.

• Solution: Designed and supplied a custom Class 600 Bypass Tee and associated Hot Tapping and Plugging Fittings for a Tee for Bypass Line Installation.

• Result: The 10-day valve replacement project was completed with zero supply interruption or safety incidents, saving the client an estimated $15M in potential revenue loss.

Service & Support Ecosystem

1. Pre-Sale Engineering Support: Our engineers review your P&IDs and provide detailed installation drawings and procedure recommendations for your contractor.

2. Comprehensive Training: We offer guidance on proper line stop fitting installation and best practices for using Mechanical Pipeline Plugging Devices.

3. Global After-Sales & Warranty:

   • 18-month warranty on all materials and workmanship.

   • Dedicated technical support for field questions.

   • A global network of service agents for critical response.

4. Flexible Commercial Options: We offer direct equipment for sale, support through approved distributors, and can connect you with experienced service partners for turnkey projects.

Frequently Asked Questions (FAQ)

Q1: Can your Bypass Tee be used for both hot tapping and line stopping?

A: Absolutely. Our Bypass Tee is specifically designed as a Hot Tapping and Line Stop Fitting. The integrated full-encirclement saddle provides a reinforced branch for the hot tap, and the flanged outlet is designed to accommodate Pipeline Isolation Plugs or stopple devices for subsequent line stopping.

Q2: What information do you need to provide a quote or design?

A: To provide an accurate price and design, we require: Pipeline NPS & schedule, design pressure & temperature, process fluid, applicable design code, and preferred material. A piping drawing or sketch is extremely helpful.

Q3: Do you offer complete plugging and bypass system packages?

A: Yes. As a leading manufacturer, we can supply the entire isolation system including the Bypass Tee, tapping and plugging machines (or recommend partners), Split Tee Hot Tap Fittings, isolation plugs, and all necessary tools and accessories.

JSW Pipeline Solutions

JSW Pipeline Solutions is a premier manufacturer and supplier of engineered pipeline intervention equipment. With decades of combined experience, we don’t just sell tools; we provide the mission-critical systems that allow pipeline companies and contractors to execute complex maintenance safely and efficiently. From standard hot tap pipe fittings to custom-engineered Full-Encirclement Split Tee with Outlet solutions, our products are trusted in the most demanding environments.

Ready to Discuss Your Next Pipeline Isolation Project?
Contact our engineering team today for a detailed consultation. Let us analyze your specific needs and provide a robust, reliable Bypass Tee solution that ensures safety, maintains uptime, and protects your bottom line.