cast steel bolted bonnet gate valve,flanged connection,hand wheel operation,made of cast steel.

Design & manufacture standard: API6D, API600, API603, ISO10434.

Face to face dimensions: ANSI/ASME B16.10.

Flange connection: ANSI/ASME B16.5 for NPS24,ASME B16.47A/MSS SP-44 for NPS>24.

Butt-welding end dimensions: ANSI/ASME B16.25.

Socket-welding dimensions: ANSI/ASME B16.11.

Inspection & test standard: API6D, API598.

Pressure: 150Lb, 300Lb, 600Lb, 900Lb or PN 2.0MPa~PN 15.0MPa or JIS 10K, 20K.

Nominal diameters: 2~ 24or DN50~DN600.

Major materials: WCB, WC1, WC6, WC9, A105, CF8(304), CF8M(316), CF3(304L), CF3M(316L), etc.