High Performance Pneumatic Butterfly Valve
The high performance pneumatic butterfly valve is a double offset industrial valve designed for reliable shut-off and automated flow control in pipeline systems.
- Product Introduction
Product Overview
The high performance pneumatic butterfly valve is a double offset industrial valve designed for reliable shut-off and automated flow control in pipeline systems. The double offset structure reduces friction between the disc and seat, improving sealing performance and extending service life, while the pneumatic actuator enables fast and stable automated operation.
It is widely used in oil and gas pipeline systems, chemical processing plants, power station cooling systems, municipal water treatment projects, and HVAC systems, and is suitable for continuous operation and automated industrial control applications.
Key Specifications
|
Parameter |
Specification |
|
Valve Type |
Double Offset Butterfly Valve |
|
Operation |
Pneumatic Actuator |
|
Size Range |
DN50 – DN1200 |
|
Pressure Rating |
PN16 – PN100 / Class 150 – 600 |
|
Body Material |
WCB / CF8 / CF8M |
|
Disc Material |
Stainless Steel |
|
Seat Material |
PTFE / RTFE / Metal Seat |
|
Connection Type |
Wafer / Lug / Flanged |
|
Mounting Standard |
ISO 5211 |
|
Design Standard |
API 609 |
|
Testing Standard |
API 598 |
|
Temperature Range |
-29°C to 425°C |
|
Media |
Water, Oil, Gas, Steam, Chemicals |
Valve Structure
The valve consists of a body, disc, seat, stem, packing system, and pneumatic actuator.
The body provides structural strength and pressure resistance.
The disc controls fluid flow during opening and closing.
The seat ensures reliable sealing performance.
The stem transmits torque from the actuator to the disc.
The packing system prevents leakage along the stem.
The pneumatic actuator enables automated valve operation.
Comparison Guide
|
Feature |
Double Offset Butterfly Valve |
Triple Offset Butterfly Valve |
|
Structure |
Double offset design reduces disc-seat friction |
Complex triple offset geometry |
|
Sealing Type |
Soft seat or optional metal seat, wider application range |
Primarily metal-to-metal sealing |
|
Operating Torque |
Lower torque, easier actuator selection |
Higher torque, requires stronger actuators |
|
Maintenance |
Lower wear, reduced maintenance frequency |
Higher maintenance demand in some applications |
|
Cost |
More cost-effective for most industrial systems |
Higher manufacturing and project cost |
|
Applications |
Oil & gas, chemical, water treatment, HVAC, general industry |
High-temperature, high-pressure severe service |
Quality & Certifications
The valve is designed and manufactured according to API 609, API 598, ISO 9001, and EN 12266 standards.
Each valve is fully tested for pressure, leakage, and operational performance before delivery.
Third-party inspection such as SGS, BV, or TUV is available upon request.
Manufacturing Capability
The factory is equipped with CNC machining centers, precision assembly lines, and pressure testing equipment.
OEM and customized production are supported for distributors, engineering contractors, and industrial projects.
Case Studies
A petrochemical facility in Southeast Asia used our valves in its cooling water pipeline system to replace high-maintenance traditional butterfly valves. After installation, the system achieved more stable shut-off performance, reduced leakage issues, and significantly lowered routine maintenance frequency.
A thermal power plant cooling system project adopted our high performance butterfly valves to solve frequent sealing wear and unstable operation problems in long-cycle service. The valves improved sealing reliability under continuous operation conditions and reduced unplanned downtime caused by valve leakage and actuator failure.
FAQ
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