Can a natural gas valve be used as a water valve?

Natural gas valves and water valves are designed for completely different applications and should never be used interchangeably. A natural gas valve features high sealing performance, anti-static and fire-safe designs, and durable materials like stainless steel or copper alloy to prevent gas leakage and ensure safety in flammable gas pipelines. In contrast, a water valve is typically made of cast iron or brass, designed for lower pressure and water flow control. Gas valves meet strict standards such as GB/T12237, while water valves do not include anti-leakage or explosion-proof features. Choosing the right valve for each medium ensures safe operation, reliable performance, and long service life in both gas systems and water systems.

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How to Choose the Right Globe Valve for Pipelines?

According to the flow direction of the medium, globe valves can be divided into straight-flow type, straight-through type, and angle type, each with distinct differences. The straight-through type has inlet and outlet aligned in the same direction at 180°, while the straight-flow type features a stem and passageway at a certain angle, allowing the medium to flow without changing direction. This design offers the lowest flow resistance among globe valves. The angle type has inlet and outlet at a 90° angle, causing the medium to change flow direction and generating some pressure drop. In general, straight-through globe valves are widely used due to their easy installation on linear pipelines and convenient operation, though they have relatively higher resistance. For pipelines with strict requirements on flow resistance, straight-flow type valves are preferred. Angle type globe valves are typically installed on vertically intersecting pipelines and are suitable for high-pressure conditions.