Electric Single Seat Adjusting Valve

Electric Single Seat Adjusting Valve:

1. The material for the valve main parts:

Body, Bonnet: HT200、ZG230—450、ZG1Cr18Ni9Ti
Disc, Seat: 1Cr18Ni9Ti、Stellite overlaid
Packing: PTFE, flexible graphite, SS bellow
Gasket: rubber asbestos plate, 　1Cr18Ni9Ti,spiral wound graphite
Stem, thrust: 2Cr13、1Cr18Ni9Ti
sleeve: 2Cr13

Remark: The material can be changed according to customers' demand.

2. The specification of the valve:

Model: ZAZP, ZAZN

Nominal Diameter DN mm		20	25	32	40	50	65	80	100	125	150	200	250	300	400
Rating flux coefficient Kv	Single seat	5	8	12	20	32	50	80	120	200	280	450	800	1200
	Double seat		10	16	25	40	63	100	160	250	400	630	1000	1600	2700
Rating travel L mm		10	16		25		40			60		100
Nominal pressure PN MPa		1.6、4.0、6.4
Intrinsic flux character		Line 、equal percentage
Allowed leakage 1/h		10-4×valve rating capacity（Single seat）、10-3×valve rating capacity （Double seat）
Working temperature t ℃		-20～200、-40～250、-40～250、-60、450
Signal range mA.DC		0～10 or4～20
Power supply voltage		220V、50Hz
Working method		Power opening model、power closing model

3. The standard of the valve:

It is according to GB/T4213—92 standard. If customers have other demand, you can tell us. We can offer OEM, ODM service.

4. External Diameter:

See the Picture of Electric Single Seat Adjusting Valve:

Picture of Electric Single Seat Adjusting Valve External Diameter

Nominal diameter DN（mm）	A×B	L
		PN1.6	PN4.0	PN6.4
G3/4″	￠160
20	230×460	180	190	190
25		185	190	200
32		200	210	210
40		220	230	235
50	230×530	250	255	265
65		275	285	295
80		300	310	320
100		350	355	370
125	260×630	410	425	440
150		450	460	475
200		550	560	570