electric two-seat adjusting valve-Shanghai Automation Instrumentation Co., Ltd.

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Shanghai Automation Instrumentation Co., Ltd.
Address：No.191 Guangzhong Road (West) Shanghai
Tel：+86 21-59812538
Website：www.sc-saic.com/english
E-mail: tom.saic@gmail.com

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Name：electric two-seat adjusting valve

Model：ZAZN

Quoted price：面议

Feature：SHANGHAI AUTOMATION INSTRUMENTATION CO., LTD

electric two-seat adjusting valveDetails：

ZAZN electric two-seat adjusting valve

Electric two-seat adjusting valve use single-phase AC 220V as power. Receive 0～10mA DC signal, automatically control the opening of valve, achieve continuous regulation of pressure、temperature、flow、liquid level and other process parameters. It is an importance part of automatic regulation system, widely used in electric、metallurgy、petroleum、chemical、light industry、food and other automatic control system

Structure principle

Made up of DKZ series of linear travel electric actuator and two-seat valve

Electric adjusting valve input DC current signal of regulator, enlarged by servo amplifier and then drive actuator, produce axial thrust, drive adjusting valve, cause the change of media flow, for adjusting all thermal parameters of systems. Same time, actuator produce a displacement signal, keep adjusting valve at a corresponding position of input signal, complete servo regulation

After equipping DFD－09 electric operator, achieve manual and automatic switching of regulation system, can also remotely manual control, with no way limit capacity, when power off, electric adjusting valve keep the position when power off, then pull shot round and operate manually

Nominal diameter DN（mm）		25	32	40	50	65	80	100	125	150	200	250	300
Rated flow coefficient KV		10	16	25	40	63	100	160	250	400	630	1000	1600
Flow characteristics		Straight line；equal percentage
Nominal pressure PN（MPａ）		1.6；4.0；6.4
Model of actuator		DKZ－310		DKZ－310		DKZ－410			DKZ－510			DKZ－510
Action mode		Power on（K usual）；power off（B）
Input signal		0～10mADC
Media temperature range	PN1.6	－20～200℃
	PN6.4	－40～250℃；－40～450℃（with heat sink ）										－40～250℃

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electric two-seat adjusting valveDetails：