Wellhead 3 1/8'' 5K Check Valve

Wellhead 3 1/8'' 5K Check Valve – Reliable Flow Control for High-Pressure Downhole Applications This premium 3 1/8'' 5K Check Valve is engineered for demanding oil and gas environments where consistent pressure management, corrosion resistance, and system integrity are non-negotiable. Designed with precision and durability in mind, it meets international industry standards such as API 6A and ASME B16.34, ensuring compliance with safety protocols across global operations. Whether deployed in deep well production, drilling fluid control, or pipeline maintenance, this high-pressure isolation device offers dependable performance under extreme conditions. Main technical parameters:       Working pressure:2000~20000PSINorminal bore: 2 1/16"~7 1/16"Product specification level: PS1-PSL4Perpormance requirement: PR1~PR2Material class: AA~FFWorking medium: Oil, naturgal gas Key features include a robust stainless steel body that resists chemical degradation and mechanical wear, an optimized sprin…

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