API 6D/BS1868 Swing Check valve, used with petroleum industry, natural gas and water, made of stainless steel, suitable for strong acid and alkali.
Size:2"-36" Pressure Rate: Class150-1500
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DIN F6 Swing Check valve, used with petroleum industry, natural gas and water, made of stainless steel, suitable for strong acid and alkali.
Size:DN50-DN500 Pressure Rate: PN16-100
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DIN F1 Lift Check valve, used with petroleum industry, natural gas and water, made of stainless steel, suitable for strong acid and alkali.
Size:DN40-DN300 Pressure Rate: PN16-40
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Doul Door Wafer swing Check valve, used with petroleum industry, natural gas and water, made of stainless steel, suitable for strong acid and alkali.
Size:2"-48" Pressure Rate: Class150-1500
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Silent Check valve, used with petroleum industry, natural gas and water, made of stainless steel, suitable for strong acid and alkali.
Size:1/2"-16" Pressure Rate: Class150
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Axial Nozzle Check valve, used with petroleum industry, natural gas and water, made of stainless steel, suitable for strong acid and alkali.
Size:2"-12"(DN50-300) Pressure Rate: Class125-150(PN10-16)
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