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Model: CB/T 3478-1992

Title: Flanged suction check valves

Material: Cast iron ; Cast brass

Nominal diameter: 32mm~250mm

Flange standard: GB/T 569 ; GB/T 2501

Inspection standard: GB/T 600

Model: CB/T 3819-2013

Title: Wafer type check valves

Material: Albronze

Nominal pressure: PN6 ; PN10 ; PN16

Nominal diameter: 50mm~600mm

Flange standard: GB/T 2501

Inspection standard: GB/T 600

Model: GB/T586-2015

Title: Marine flanged check valves - Straight & Angle

Material: Cast steel

Nominal pressure: PN16 (65mm~125mm)

                                PN25 (20mm~100mm)

Nominal diameter: 20mm~125mm

Flange standard: CB/T 4196 ; GB/T 2501

Face to face standard: GB/T 11698

Inspection standard: GB/T 600

Model: GB/T589-2015

Title: Marine flanged check valves - Straight & Angle

Material: Bronze

Nominal pressure: PN6 (15mm~125mm)

                                PN16 (65mm~125mm)

                                PN25 (15mm~100mm)

Nominal diameter: 15mm~125mm

Flange standard: CB/T 4196 ; GB/T 2501

Face to face standard: GB/T 11698

Inspection standard: GB/T 600

Model: GB/T592-2015

Title: Marine flanged check valves - Straight & Angle

Material: Cast iron

Nominal pressure: PN6 (50mm~150mm)

                                PN10 (65mm~150mm)

                                PN16 (20mm~50mm)

Nominal diameter: 20mm~150mm

Flange standard: CB/T 4196 ; GB/T 2501

Face to face standard: GB/T 11698

Inspection standard: GB/T 600

Model: CB/T 3477-2013

Title: Marine male thread lift check valves - Straight & Angle

Material: Bronze

Nominal pressure: PN40

Nominal diameter: 10mm~32mm

End standard: CB 56

Inspection standard: GB/T 600

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