Pneumatic Gate Valve with Manual

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Pneumatic Gate Valve with Manual

Model: Z641H
Nominal diameter: DN50 ~ 800mm
Nominal pressure: PN1.6 ~ 4.0MPa
Ambient temperature: Standard: -20 ~ 80 ℃
Body material: Carbon steel, stainless steel P4, P6
Design basis: GB standard, ANSI standard
Design standard: GB / 12237, ANSI B16.34
length of the structure: GB / 12221, ANSI B16.10
SIZES: GB / 9113, JB / T79 , ANSI B16.5
Experiments and testing: JB / T9092, API 598

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產品詳細

Technical Parameters
Nominal diameter	DN50 ~ 800mm
Connection method	Flange
Cylinder form	Double role
control method	Switch type, adjustable type
Nominal pressure	16,25,40bar (Please specify when ordering for higher pressure)
Air pressure	Single role: 5 ~ 8bar
Medium temperature	W3: -30 to 425 ° C W4: -40 to 425 ° C
Ambient temperature	Standard type: -20 ~ 80 ℃
Body material	Carbon steel (C), stainless steel (P4, P6)
Sealing material	Metal Hard Seal (H), Carbide (Y)
Note: Other special sealing materials or special temperature can also be designed according to customer requirements

Main parts material table
Serial number	Part Name	Material
Serial number	Part Name	C	P4	P6
1	Body	WCB	ZG1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
2	Nuts	35	1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
3	bolt	35	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
4	gate	WCB	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
5	Valve stem	1Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
6	Gasket	Stainless steel + flexible graphite	Stainless steel + flexible graphite	Stainless steel + flexible graphite
7	cap	WCB	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
8	Nuts	35	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
9	Rings bolts	35	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
10	Nuts	35	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
11	bolt	35	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
12	filler	Flexible graphite	Flexible graphite	Flexible graphite
13	Packing pressure sleeve	WCB	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
14	Packing platen	WCB	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
15	Nuts	35	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
Note: The main components and seals of the material can also be based on the actual conditions or customer requirements design selection

Main dimensions - PN16 (16bar)
[DN]	Dimensions					Connection size
[DN]	L	H	H1	H2	do	D	D1	D2	C	f	ND
50	250	790	420	840	180	165	125	99	20	3	4-18
80	280	910	460	990	200	200	160	132	20	3	8-18
100	300	1050	560	1150	250	220	180	156	22	3	8-18
150	350	1240	660	1390	320	285	240	211	14	3	8-22
200	400	1520	810	1720	400	340	295	266	24	3	12-22
250	450	1700	930	1950	400	405	355	319	26	3	12-26
300	500	1930	1090	2230	450	460	410	370	28	4	12-26
350	550	2160	1230	2510	450	520	470	429	30	4	16-26
400	600	1330	1360	2730	500	580	525	480	32	4	16-30
450	650	2540	1510	2990	500	640	585	548	34	4	20-30
500	700	2750	1660	2150	550	715	650	609	36	4	20-33
600	800	3080	1910	3680	550	840	770	720	38	5	20-36
700	900	3570	2200	4270	600	910	840	794	40	5	24-36
800	1000					1025	950	901	42	5	24-39

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