HCBW Pneumatic Bellows Seal Balanced Sleeve Control Valve

HCBW - Pneumatic bellows sealing balanced sleeve control valve

Material:

Valve body: ZG230-450, ZG1Cr18Ni9Ti, 316, 316L, anti-corrosion alloy

Valve seat: 1Cr18Ni9Ti, 316, 316L, anti-corrosion alloy, F4

Packing material: PTFE, flexible graphite

Diaphragm material: NBR

Bellows: 1Cr18Ni9Ti, PTFE

Nominal dimension (mm)			40			50			65			80			100			150			200
Seat diameter (mm)			25	32	40	32	40	50	40	50	65	50	65	80	65	80	100	100	125	150	125	150	200
Rated flow (Cv)	high precision		11	17	24	17	24	44	24	44	68	44	68	99	68	99	175	175	275	360	275	360	650
	high capacity	Equal percentage			36			60			110			140			220			420			820
	high capacity	Linear			40			75			110			150			240			435			850
Rated travel			25						38									50			75
Rangeability			50:1
Nominal pressure			JIS 10, 16, 20, 30, 40K; ANSI 125, 150, 300, 600; JPI 125, 150, 300, 600; PN1.6, 4.0, 6.4MPa
Flow charcter			Equal percentage
Core type			Pressure balanced
Flange standard			JB78-59, JB79-59,JB/T79.1-94, JB/T79.2-94, ANSI, JIS, DIN etc
Valve bonnet			Normal temp type (-17~230oC); Extension type (230~566oC)
Action type			Air to open; air to close
Actuator			ZHA/B multi spring pneumatic diaphragm actuator
Accessories			Positioner, solenoid valve; air filter pressure reducing valve, limit switch, valve position feedback device, emergency actuating device, handwheel etc