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Home > Products > Butterfly valve > ZMAW.ZSCW pneumatic piston regulating butterfly valve

Description Material Performance Product Size Specifications

Product introduction:

ZMAW.ZSCW pneumatic piston valve control signal input (4-20mADC or 1-5VDC) source to control operation, simple and compact structure, convenient processing, easy manufacture of large caliber, self cleaning effect, low resistance coefficient, flow capacity. Fluid suitable for suspended particles and regulation of concentrated and muddy fluids. Clean medium, can choose the valve plate with soft sealing (rubber ring, PTFE ring) to reduce leakage (up to 0.01%), high temperature and high pressure conditions can choose three eccentric hard seal valve

Part name	Material Science	temperature range℃
Valve plate	ZG230-450	-40-450
	ZG1Cr18Ni9Ti	-250-550
	ZG0Cr18Ni12Mo2Ti

Note: this table is the limit of the use of various materials, in the actual selection of the product should be based on the medium temperature range, determine the use of the material temperature, the use of the temperature shall not be lower than the lower limit of the medium temperature range, the use of the temperature shall not be higher than the upper limit of the medium temperature range.

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Nominal diameter DN		Structure length (standard value)		Connection dimension
		L		H	H1	PN0.6MPa			PN1.0MPa
millimeter	inch	Flange type	Clamp type			D	D1	Z-d	D	D2	Z-d
50	2	108	43	100	400	140	110	4--14	165	125	4--18
65	2¹/₂	112	46	115	420	160	130	4--14	185	145	4--18
80	3	114	49	120	138	190	150	4--18	200	160	8-18
100	4	127	56	130	524	210	170	4--18	220	180	8-18
125	5	140	64	150	570	240	200	8-18	250	210	8-18
150	6	140	70	170	743	265	225	8-18	285	240	8-22
200	8	152	76	200	767	320	280	8-18	340	295	8-22
250	10	165	76	235	790	375	335	12-18	395	350	12-22
300	12	178	83	300	890	440	395	12-22	445	400	12-22
350	14	190	92	325	954	490	445	16-22	505	460	16-22
400	16	216	102	355	1070	540	495	16-22	565	515	16-26
450	18	222	114	390	1140	595	550	20-22	615	565	20-26
500	20	229	127	420	1200	645	600	20-26	670	620	20-26
600	24	267	154	490	1380	755	705	24--26	780	725	20-30
700	28	292	165	550	1580	860	810	24--30	895	840	24--30
800	32	318	190	640	1760	975	920	24--30	1015	950	24--33
900	36	330	203	710		1075	1020	24--30	1115	1050	28-33
1000	40	410	216	770		1175	1120	28--30	1230	1160	28-36
1200	48	470	254	890		1405	1340	32-33	1450	1380	32-39

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