Both Weld Type Metallic Hard Sealing Butterfly Valve
Shanghai Huaxia Valve Co., Ltd. [China] 
Detailed Product Description
Standard and regulation
| Nominal diameter | DN802000mm |
Nominal pressure PN | Shell test (1.5×PN) Seal test (1.1×PN) |
Applicable temperature | -196550 |
Applicable medium | Wateroilgas and other causticity medium(Different raw material for different medium) |
Jointing standard | GB12224ANSIB16.25DIN2559 |
Pressure rating | PN 0.6 PN 1.0 PN 1.6 PN2.5 PN 4.0 |
Drive type | Worm wheel drivepneumatic driveelectric drive |
Main parts material
| Body | Disc | Seat ring | Bushing | Stem | Packing |
Cast steel, stainless steel, Cr.Mo.Steel and ad hoc material | WCB CF8M Steel and ad hoc material | Stainless steel, resist grind material | Stainless steel | Steel and ad hoc material | Flexible graphite |
