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American standard check valve is suitable for pressure Class150~2500LB, working temperature -46'C -- 570℃ in petroleum, chemical industry, pharmaceutical industry, fertilizer, power industry and other working conditions of the pipeline, to prevent the backflow of media.

Product model: H44W/H/Y
Nominal size: NPS 2" ~ 24"
Pressure range: CL150 ~ 2500 Lb
Operating temperature: -196℃ ~ +560℃
Main material: carbon steel, stainless steel, alloy steel
Design standard: API603M, ASME B16.34, API6D
Structure length: ASME B16.10
Connection standard: ASME B16.5, ASME B16.25
Pressure test: API 598
Pressure - Temperature class: ASME B16.34