Introduction
Triple offset butterfly valves represent the most advanced category of butterfly valve technology, engineered for applications where zero leakage, high pressure resistance, and long service life are essential. SW Valve’s triple offset butterfly valves are designed for severe service conditions in chemical, petrochemical, steam, and powder handling industries, where conventional valve designs are no longer sufficient.
Product Overview
SW Valve’s triple offset butterfly valves combine advanced geometry with precision manufacturing to deliver reliable shutoff performance under extreme operating conditions.
• Size Range: DN50 to DN2400 (2 inch to 96 inch)
• Pressure Rating: ANSI 150LB / 300LB / 600LB / 900LB, PN10 / 16 / 25 / 40, JIS 10K / 16K / 20K
• Working Pressure: Up to 600 bar
• Valve Type: Triple offset butterfly valve
• Sealing Concept: Conical metal-to-metal sealing design
These specifications allow SW Valve’s triple offset butterfly valves to replace gate, globe, and ball valves in many high-pressure and high-temperature applications.
What Makes a Triple Offset Butterfly Valve Different
The defining feature of a triple offset butterfly valve is its three-axis offset geometry, which eliminates friction between the disc and seat during operation.
• First offset: Shaft is offset from the valve centerline
• Second offset: Shaft is offset from the disc centerline
• Third offset: Conical sealing surface instead of a cylindrical seat
This geometry ensures that the disc only contacts the seat at the final moment of closure, creating a true metal-to-metal seal without rubbing or galling.
Key Advantages of Triple Offset Design
SW Valve’s triple offset butterfly valves provide several critical performance benefits:
• Zero leakage shutoff capability
• Repeatable sealing even after thousands of cycles
• Extended valve life due to no seat wear during operation
• Excellent performance in high temperature and pressure service
• Fire-safe design suitable for critical process industries
• Low operating torque compared to gate or globe valves
The conical sealing design is the core technology that enables consistent sealing and long-term reliability.
Applications
SW Valve’s triple offset butterfly valves are widely applied in demanding industrial environments:
• Chemical processing plants
• Petrochemical and refinery facilities
• Steam and thermal energy systems
• Powder and bulk material handling
• High-pressure industrial pipelines
These valves are particularly suitable for applications where safety, tight shutoff, and operational stability are non-negotiable.
Operator Options
To support a wide range of control and automation requirements, SW Valve offers multiple actuation options:
• Manual lever operator
• Gear operator
• Pneumatic actuator
• Hydraulic (HYD) actuator
• Electric motor actuator
This flexibility allows easy integration into both manual systems and fully automated plant operations.
Engineering Strength of SW Valve Triple Offset Butterfly Valves
SW Valve applies strict engineering discipline and quality control throughout design and manufacturing.
• Precisely machined conical sealing surfaces
• High-grade metal seat materials for severe service
• Accurate shaft alignment to maintain sealing geometry
• Robust body construction for extreme pressure conditions
• Comprehensive pressure and functional testing
These factors ensure stable, repeatable performance even in the most demanding applications.
How SW Valve Differs from Typical Chinese Manufacturers
While many Chinese manufacturers offer triple offset butterfly valves at low initial cost, significant differences exist in design execution and long-term performance.
• True Triple Offset Geometry: SW Valve uses precise conical sealing angles, not simplified or partially offset designs.
• Metal-to-Metal Sealing Integrity: Carefully engineered sealing surfaces ensure repeatable zero leakage.
• Material Verification: Controlled material sourcing and traceability for pressure-critical components.
• Manufacturing Precision: Tight tolerances maintained to preserve sealing geometry and torque stability.
• Severe-Service Proven Design: Valves designed for steam, petrochemical, and high-pressure applications—not just general service.
• Technical Support & Documentation: Clear English documentation and responsive engineering communication for overseas buyers.
For American buyers, these differences significantly reduce operational risk, maintenance frequency, and unplanned downtime.
Conclusion
SW Valve’s triple offset butterfly valves deliver the highest level of performance in butterfly valve technology. Through advanced conical sealing design, precision engineering, and strict quality control, SW Valve provides reliable zero-leakage solutions for critical industrial service.
Compared to many low-cost alternatives, SW Valve offers American and global buyers confidence, safety, and long-term value—making it a trusted partner for severe-duty flow control applications.
Media Contact
Company Name: SW Valve Corporation
Contact Person: Jungheon Park
Email:Send Email
Phone: +82-55-314-5046
Address:49-52, Seobu-ro 1499beon-gil, Juchon-myeon
City: Gimhae-si
State: Gyeongsangnam-do
Country: South Korea
Website: https://sw-valve.co.kr/
