Butterfly Handle Gas Valve

Butterfly Handle Gas Valves are widely used in gas distribution and control systems to open, close, and regulate gas flow with simple and efficient operation. The butterfly handle design allows for quick manual control, clear open and close indication, and reliable performance, making these valves suitable for residential, commercial, and industrial gas applications.

Product Feature and Application

Butterfly Handle Gas Valves are designed for installations in confined spaces where a standard long lever cannot rotate freely. The compact "butterfly" (T-handle) design provides a comfortable grip for quick quarter-turn operation. These valves are widely applied in residential gas meter sets, kitchen cabinets, and wall-mounted boiler connections. Their robust brass construction ensures a leak-proof seal, making them a favorite for installers.

Product Parameter

Technical Specification

Nominal Pressure: 1.6 MPa

Working Medium: Domestic Town Gas, Natural Gas, Liquefied Petroleum Gas (LPG)

Operating Temperature: -10 °C ≤ T ≤ 80 °C

Product Dimension

Male-Male Thread

Female-Male Thread

Installation Guidelines

Professional Installation: Butterfly Handle Gas Valves must be installed by certified gas technicians. Ensure the gas supply is shut off and the work area is well-ventilated.

Thread Integrity: Use only gas-rated PTFE tape (typically yellow) or specialized pipe dope. Apply sealant to male threads only, ensuring no excess material enters the valve body to obstruct the seal.

Torque Management: Use a proper wrench on the valve end closest to the pipe. Do not over-tighten, as excessive force can crack the valve body or damage the internal seats, leading to hazardous leaks.

Leak Testing: After installation, never use a flame to check for leaks. Apply a certified leak-detection solution or soapy water to all joints; bubbles indicate a leak that must be corrected immediately.

Operating Instructions

Function: Butterfly Handle Gas Valves are for on/off service only. They must remain in the fully open or fully closed position. Partial opening can cause seat erosion and seal failure.

Handle Position: The handle serves as a visual indicator. When the handle is parallel to the pipe, the valve is OPEN; when perpendicular, it is CLOSED.

Manual Operation: These Butterfly Handle Gas Valves are designed for manual operation. Do not use tools or "cheater bars" to turn the handle. If a valve is difficult to operate, it likely requires replacement.

Inspection & Maintenance

Periodic Checks: Inspect valves at least twice a year for signs of corrosion, handle damage, or gas odors. Cycle the valve (Open/Close) periodically to ensure the ball does not seize.

No Disassembly: Due to critical safety tolerances, do not attempt to disassemble or repair the internal components of a gas valve. If the valve leaks or fails to shut off, replace the entire unit immediately.

Environment: Keep the valve area free of corrosive chemicals or high-moisture accumulation, which can degrade the brass body or stem seals over time.

Emergency Protocol: In case of a gas leak, immediately close the upstream main valve, evacuate the area, and contact emergency services.