Self operated temperature control valve

Product Item：ZWPE

Port size：DN25~300, NPS 1〞~ 12〞

Pressure： PN16 ~ 100,150LB ~ 600LB

Temperature：-20～450℃

Body material：WCB WC6 WC9 CF8 CF8M

Description

Self operated temperature control valve

Self operated temperature control valve manufacturer,factory and supplier,Electric self operated temperature control valve is composed of electric control valve, temperature controller and thermocouple,Electric self operated temperature control valve adopts the top guide structure, compact structure, S streamlined fluid path, large flow, small pressure differential loss, wide adjustable range and accurate temperature control.Electric self operated temperature control valve is built into the electric actuator ,without external positioner.

ELECTRIC SELF OPERATED TEMPERATURE CONTROL VALVE STRUCTURE

ELECTRIC SELF OPERATED TEMPERATURE CONTROL VALVE MATERIAL

Component name	Control Valve Material
Body/Bonnet	WCB/WCC/WC6/CF8/CF8M/CF3M
Valve spool/Seat	304/316/316L(overlaying stellite alloy)
Packing	Normal:-196～150℃ is PTFE,RTFE,>230℃ is flexible graphite
Bellows	304/316/316L
Gasket	Normal:Stainless steel with flexible graphite,Special:Metal tooth type gasket
Control valve stem	2Cr13/17-4PH/304/316/316L

ELECTRIC SELF OPERATED TEMPERATURE CONTROL VALVE PERFORMANCE

Electric self operated temperature control valve Flow characteristic	Linear, percentage, quick open
Allowable range	50: 1 (CV<6.3 30: 1)
Rated Cv value	Percentage CV1.6~630 ，linear CV1.8~690
Electric self operated temperature control valve Allowable leakage	Metal seal: IV grade（0.01% rated capacity） Soft seal: VI grade（foam grade） Leakage standard: GB/T 4213
Electric self operated temperature control valve Performance
Intrinsic error (%)	±1.0
Return difference(%)	≤1.0
Dead zone(%)	≤1.0
Difference from beginning to end point(%)	±2.5
Rated travel difference(%)	≤2.5

1.Valve body 2.Valve seat 3.Valve plug 4.Valve rod 5. Bonnet 6.Temperature sensor 7. Temperature-controlled meter 8. Motor actuator

Temperature Control Valve Specificaiton

Model	Nominal diameter DN(mm)		20		25	32	40	50	65	80	100	125	150
	Rated flow coefficient Kv	Equal percent	6.3		10	16	25	40	63	100	160	250	400
		Line	6.9		11	17.6	27.5	44	69	110	176	275	440
		Quick open	7		11	20	30	48	75	120	190	300	480
	Rated stroke L(mm)		8			10		14	20		25	40
Small flow single seat	Nominal diameter DN(mm)		15、20、25
	Valve seat diameter(mm)		2				3	4	5	6	7	8	10
	Rated flow coefficient Kv		0.01	0.02		0.04	0.06	0.08	0.12	0.2	0.32	0.5	0.8
	Rated stroke L(mm)		5
Inherent flow characteristic			Equal percent、Line、Quick open