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Home > Products > Regulator valve > Electronic three way regulating valveZDSF

Description Material Performance Product Size Specifications

ZDSF (H) type straight stroke diffluence and confluence of the electric control valve, the valve is equipped with three shunt, combined German import PS series straight stroke electric actuator. The electric actuator in the servo system, no additional servo amplifier, the input control signal (4 20mADC or 1 5VDC) and single-phase power can control the operation, we can adjust the parameters of pressure, flow, temperature, liquid level, the balance valve plug valve plug structure, has good stability, not easy vibration, low noise, allowing the use of pressure, the characteristics of simple connection, widely used for regulating valve flow coefficient, leakage of relatively strict requirements of power, metallurgy, petroleum, chemical industry, environmental protection and other industries of the industrial automatic control system.

Form: Three Seater valve casting
Nominal diameter：25－300mm
Nominal pressure：PM1.6 4.0 6.4MPa
Connection type: flange typeJB78－59 JB79－59
Material Science：HT200 ZG230—450 ZG1Cr18Ni9Ti ZG0Cr18Ni12Mo2Ti
Upper valve cover：
Normal temperature type：-20℃－+200℃
Heat dissipation type：-40℃－+450℃
Gland form: bolt clamp
Packing: V PTFE packing, flexible graphite, stainless steel bellows
Four, valve assembly：
Spool type: double guide sleeve type valve seat
Flow characteristics: equal percentage characteristics, linear characteristics and fast opening characteristics
Material Science：1Cr18Ni9Ti 0Cr18Ni12Mo2Ti

body material	Nominal pressure MPa	Working temperature of medium
		<	<	<	<	<	<	<	<	<	<	<	<	<	<
		120	200	250	300	350	400	425	450	475	500	525	550	575	600
		Maximum working pressure MPa
cast ironHT200	1.6	1.6	1.5
cast steelZG25	4.0 6.4		4.0 6.4	3.7 5.9	3.3 5.2	3.0 4.7	2.8 4.1	2.3 3.7	1.8 2.9
Stainless steelZG1r18Ni9Ti	4.0 6.4					4.0 6.4	3.0 4.4	2.7 4.2	2.4 4.0	2.1 3.8 0	1.9 3.5	1.7 3.4	1.4 3.2	1.1 2.9	0.8 2.6

Standard Specification for ZDSF (H) - type straight stroke (CO) flow electric control valve：

Nominal diameter DN		25	32	40	50	65	80	100	125	150	200	250	300
Valve seat diameter dn (mm)		25	32	40	50	65	80	100	125	150	200	250	300
Rated flow coefficient Kv	Confluence	8.5	13	21	34	53	85	135	210	340	535	800	1280
	shunt						85	135	210	340	535	800	1280
Trip mm		16		25		40			60			100
Allowable differential pressure△MPa		≤Nominal pressure MPa
Basic error%		±2.5
Return difference%		2.5
dead zone%		1.0
Always point deviation%		±2.5
Rated Travel Deviation%		2.5
Allowable leakageQ		KvThe value of the0.05%
Adjustable range		30:1
Electric actuator model	PSL	PSL201		PSL202		PSL204		PSL208		PSL312		PSL320
	3810L	SA－08		381LSA－20		381LSB－30		381LSB－50		381LSC－65		381LSC－160
Nominal pressure medium temperature valve body material	1.6MPa	Room temperature from-20 DEG C ~200 cast iron HT200
	4.0MPa	Normal atmospheric temperature－20℃~＋200℃ cast steelZG25 Cast stainless steelZG1Cr18Ni9Ti
		Cast steel ZG25 cast stainless steel ZG1Cr18Ni9Ti at medium temperature -40 C + 450 C
	6.4MPa	Room temperature from-20 DEG C ~200 cast steel ZG25 cast stainless steel ZG1Cr18Ni9Ti
		Cast steel ZG25 cast stainless steel ZG1Cr18Ni9Ti at medium temperature -40 C + 450 C

Nominal diameter DN	Confluence									shunt
	R	L			H		H1			L			H		H1
		PN（MPa）					PN（MPa）			PN（MPa）					PN（MPa）
		-	-	-	Normal atmospheric temperature	Medium temperature	-	-	-	-	-	-	Normal atmospheric temperature	Medium temperature	-	-	-
25	176	185	190	200	600	650	140	150	160	185	190	200	600	650	140	150	160
32	176	200	200	210	718	848	150	160	170	200	200	210	718	848	150	160	170
40	176	220	230	235	795	925	160	170	180	220	235	235	795	925	160	170	180
50	176	250	255	265	835	960	180	190	200	250	255	265	835	960	180	190	200
65	176	275	285	295	1067	1214	200	210	220	275	285	295	1067	1214	200	210	220
80	176	300	310	320	1080	1243	210	230	240	300	310	320	1102	1265	225	250	265
100	176	350	360	370	1094	1257	220	250	260	350	360	370	1131	1294	245	275	285
125	225	410	430	440	1292	1492	260	300	300	410	425	440	1329	1529	285	320	325
150	225	450	465	475	1321	1520	280	320	320	450	460	475	1358	1557	305	340	345
200	225	550	560	570	1400	1597	320	380	380	550	560	570	1445	1642	350	400	410
250	225	635	660	670	-	-	-	474	474	635	660	670	-	-	-	-	-
300	225	720	740	770	-	-	-	584	584	720	740	770	-	-	-	-	-

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