Pneumatic control valve-Other

Pneumatic control valve

Model：

Main parts and components materials
NO.	Name	Material
1	valve body	Stainless steel、WCB
2	spool	Stainless steel、WCB
3	Valve shaft	Stainless steel
4	Gland	Stainless steel、WCB
5	filler	Polytetrafluoroethylene, graphite
6	Bracket	Stainless steel、WCB
7	Adjusting pointer
8	Air duct	Copper
9	Pneumatic actuator	45#
10	Membranous flap	EPDM
11	positioner
12	filter

Nominal diameter（mm）		G³/4"	20				25		40			50			65			80			100			150			200			250	300
Valve seat diameter（mm）		3 4 5 6 7 8	10	12	15	20	20	25	25	32	40	32	40	50	40	50	65	50	65	80	65	80	100	100	125	150	125	150	200
Rated flow coefficient KV	straight line	0.08 0.12 0.20 0.32 0.50 0.80	1.8	2.8	4.4	6.9	6.9	11	11	17.6	27.5	17.6	27.5	44	27.5	44	69	44	69	110	69	110	176	176	275	440	275	440	690	1000	1600
	Equal percentage		1.6	2.5	4	6.3	6.3	10	10	16	25	16	25	40	25	40	63	40	63	100	63	100	160	160	250	400	250	400	630	900	1440
Rated travel（mm）		10	16						25						40									60						100
Effective area of filmCm²		220	350												560									900						1400
Inherent flow characteristics		Straight line, equal percentage
Inherent adjustable ratio		50 ： 1
Nominal pressure Mpa		0.6 1.6 4.0 6.4 （ANSI125 150 300 600Lb)(JIS10 16 20 30 40K)
Working temperature℃		-20~+200 -40~+250 -40~+450 -60~+450
Ambient temperature ℃		-40~+85
Air pressure Mpa		0.14（0.25 0.4）
Spring range Kpa		20~100（40~200 80~40 20~60 60~100）
Nozzle size		Internal thread M10 * 1