Pneumatic Low Temperature Control Valve

Pneumatic low temperature single seat control valve

Advantage: temperature low to -253^oC, small caliber

Nominal dimension (mm)	G3/4'						20				25	32	40	50	65	80	100	125	150	200
Seat diameter (mm)	3	4	5	6	7	8	10	12	15	20	26	32	40	50	65	80	100	125	150	200
Rated Kv	0.08	0.12	0.20	0.32	0.50	0.80	1.20	2.00	3.20	5.00	8	12	20	32	50	80	120	200	280	450
Nominal pressure	0.6, 4.0, 6.4 MPa
Rated travel (mm)	10										15		20		40			60
Flow characteristic	Linear					Linear & equal percentage
Temperature	-253~60^oC
Connection	Pipe threaded joint					Flange JB79 (PN4.0, 6.4), JB78(PN0.6)
Flange type	The seal surface of the flange according to JB77, Flange is T&G
Body material	ZG1Cr18Ni9Ti.CF8(-196°C) CF8N.CF3N(-253°C)
Core material	ZG1Cr18Ni9Ti.CF8(-196°C) CF8N.CF3N(-253°C)
Top bonnet	Long neck type
Rangeability	30:1