产品详情

ZSLW pneumatic butterfly valve 703

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Summary.
ZMAW pneumatic diaphragm control valve, ZSRW, ZSCW pneumatic piston control valve input control signal (4-20mADC or 1-5VDC) air to control operation, adjustment of the fluid is suitable for the suspended particles concentration, turbidity and slurry fluid. Clean medium, can choose the valve plate with soft seal (rubber ring, PTFE ring) to reduce leakage (up to 0.01%), high temperature and high pressure conditions can choose three eccentric hard seal valve.

Characteristic.
Simple and compact structure, convenient processing,
Easy to make large caliber, with self-cleaning function,
Small resistance coefficient, flow capacity.

Materials of main parts:

Part name	Material Science	Temperature range℃
Valve body, valve plate	ZG230-450	-40-450
	ZG1Cr18Ni9Ti	-250-550
	ZG0Cr18Ni12Mo2Ti

Main technical parameters:

Nominal diameter mm		50	80	100	125	150	200	250	300	350	400	450	500	600	700	800	900	1000
The rated flow coefficientKv		85	220	340	530	770	1360	2130	3060	4160	5450	6900	8500	12200	16600	21700	27540	34000
Nominal pressure MPa		0.6
Rated angle °		70
Signal pressure KPa		20～100
Flow characteristics		Approximate equal percentage
Medium temperature ℃		-20～200(Normal atmospheric temperature) ； -40～450(Medium temperature) ； -40～600(High temperature)
Nozzle flange		Press JB78-59 on the clip type flange connection
Signal connecting screws.		M16×1.5
With the implementing agencies	Film type	ZMA-2			ZMA-3			ZMA-4			ZMA-5
	Piston type													ZSC-45
Body material		ZG230-450；1Cr18Ni9； ZG1Cr18Ni9Ti、ZGOCr18Ni12Mo2Ti
Can be equipped with accessories		Hand wheel, positioner, air filter regulator etc.。

Size and shape:

Nominal diameter	D1	D2	L1	L2	n-d	H	H1	H2	D	L3	The end face of the flange distance
50	110		92	200	4-14	637	582	382	280	278	60
80	150	125	92	200	4-18	644	582	382	280	278
100	175	145	102	210	4-18	654	582	382	280	278
125	200	175	117	234	8-18	723	636	436	325	278
150	225	200	130	247		736			325	278
200	280	255	172	287		763			325	278	70
250	335	310	197	327	12-18	1008	853	615	410	376	70
300	395	362	227	351	12-23	1034			410	376	80
350	445	412	252	376	12-23	1059			410	376	80
400	495	462	296	432	16-23	1238	1007	720	495	376	100
450	550	518	321	459		1266			495	376
500	600	568	346	484		1291			495	376
600	705	755	480	565	20-25	1486	1109	796		180	150
700	810	860	530	615	24-25	1539				180	150
800	920	975	595	675	24-30	1596				180	200
900	1020	1075	685	770	24-30	1661	1124			180	200
1000	1120	1175	735	810	28-30	1711	1124			180	200

Ordering instructions: the type and name of 1 products of 2 nominal diameter (DN) of 3 nominal pressure (PN) 4 of the rated flow coefficient KV 5 body and valve assembly 6 is fixed material flow characteristics of 7 suitable temperature and medium 8 machine mode of action (power, power off) and the input signal of 9 is with accessories (operator the servo amplifier, etc.) 10 other special requirements

ZSLW pneumatic butterfly valve 703

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