Pneumatic Single Seat Regulating Valve

Keywords: metering pump accessories

Classification:

Pneumatic control valve

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DESCRIPTION

Commodity name: Pneumatic Single Seat Regulating Valve

Main parts materials

Part Name	Material	temperature range
Valve cover on valve body	HT200	-20～200℃
	ZG230-450	-40～450℃
	ZG1Cr18Ni9Ti	-250～550℃
	ZG0Cr18Ni12Mo2Ti	-250～550℃
Valve core, valve seat	1Cr18Ni9	-250～550℃
Valve core, valve seat	0Cr18Ni12Mo2Ti	-250～550℃
filler	PTFE	-40～200℃
Diaphragm	Nitrile rubber clip reinforced polyester fabric
compressed spring	60Si2Mn
membrane cover	A3

■Main technical parameters

Nominal diameter mm			20				25	40		50	65	80	100	150		200	250	300	350	400
Valve seat diameter mm			10	12	15	20	25	32	40	50	65	80	100	125	150	200	250	300	You can negotiate with our company for production
Rated flow coefficient Kv		straight line	1.8	2.8	4.4	6.9	11	17.6	27.5	44	69	110	176	275	440	690	1000	1600
		equal percentage	1.6	2.5	4	6.3	10	16	25	40	63	100	160	250	400	630	900	1440
Nominal pressureMPa			0.6 1.6 4.0 6.4
Stroke mm			10				16	25			40			60			100
Traffic characteristics			Straight line, equal percentage, quick opening type
Medium temperature℃			-40～230℃(normal temperature type), heat sink type 230～450℃(medium temperature type), special order -100～600℃
Flange standard			Comply with JB78-59, JB79-59 standards, and can be ordered and produced according to JB/79.1-94, JB/79.2-94, ANSI, JIS, DIN and other standards
Valve body material	PN (MPa)	0.6,1.6	WCB(ZG230-450) CF3CF8 CF8M
		4.0,6.4	WCB(ZG230-450)、ZG1Cr18Ni9Ti、ZG0Cr18Ni12Mo2Ti CF8 CF8M
Valve body type			Straight through single seat cast ball valve
Valve core material			1Cr18Ni9、0Cr18Ni12Mo2Ti CF8 CF8M
Upper valve cover form			Ordinary type (normal temperature type), heat plate type (medium temperature type), low temperature type
Adjustable ratio R			50:1
Air source connector			M16×1.5

Note: ANSI and JIS flange products can be provided to users, and the structural length can also be determined according to user needs.

■Main technical parameters of actuator

model	ZHA-22 ZHB-22	ZHA-23 ZHB-23	ZHB-34 ZHB-34	ZHA-45 ZHB-45	ZHA-56 ZHB-56
Effective areacm2	350	350	560	900	1600
Stroke mm	16	25	40	60	100
Spring range KPa	20～100 (standard): 40～200; 80～240; 20～60; 60～100

■Performance indicators

project		Index value	project				Index value
Basic error%	Without locator	±5.0	Always point deviation %	Qiguan	Without locator	starting point	±5.0
	With locator	±1.0				end	±2.5
Time difference%	Without locator	≤3.0			With locator	starting point	±1.0
						end	±1.0
	With locator	≤1.0		Be angry	Without locator	starting point	±2.5
						end	±5.0
dead zone%	Without locator	≤3.0			With locator	starting point	±1.0
						end	±1.0
	With locator	≤0.4	Allowable leakage L/h				1×10-4×valve rated capacity
Rated stroke deviation %		±2.5

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18501628796Manager Li
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