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ACH61-BW forging
NIPO
This forged butt-welded (BW) axial flow check valve is engineered to deliver unmatched reliability for critical industrial applications, with five core advantages that set it apart from conventional check valves:
It precisely stops reverse flow at pump outlets, long-distance pipelines, pressure vessels, and other key points, effectively eliminating water hammer, equipment reversal, and catastrophic system failure.
Featuring an axial flow design, fluid travels smoothly along the valve axis, drastically reducing noise levels and pressure drop—making it the ideal choice for noise-sensitive environments such as urban utility networks and offshore platforms.
The combination of a fully forged body and butt-welded ends structurally eliminates the leakage risks inherent in flanged connections, making it perfectly suited for handling toxic, expensive, or extremely hazardous media where zero leakage is non-negotiable.
Its one-piece forged construction and compact profile provide exceptional resistance to vibration and fatigue, ensuring stable, long-term operation in the harshest conditions, including high-vibration industrial sites, deep-sea installations, and directly buried pipelines.
| Structure & Material | Fully forged body + F316 stainless steel material, offering far greater strength than cast valves, with maximum corrosion resistance, impact resistance, and fatigue resistance. |
| Connection Type | Butt-welded (BW) connection, completely eliminating leakage risks at flange sealing surfaces, and meeting standards for high-pressure operating conditions of Class 600 and above. |
| Check Valve Performance | Axial flow design ensures smooth disc movement, no jamming, no water hammer, fast opening/closing response, and extremely low noise. |
| Reliability | No packing or external seals, suitable for extreme temperatures from -50°C to 300°C, and capable of long-term maintenance-free operation in buried, deep-sea, or high-vibration environments. |
| Compliance | Complies with international standards such as ASME B16.34 and API 6D. |