Stainless steel flange gate valve

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Stainless steel flange gate valve

Product model: Z41W
Nominal Path: DN15-600mm
Nominal pressure: PN1.6-6.4MPa
Applicable media: water, oil, gas and some corrosive liquids
Applicable Temperature: <425 Temperature
Working temperature: room temperature
Connection form: flange
Main Material: Cast Steel, Carbon Steel

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Product details

Product overview:

Z41W stainless steel flange gate valve is widely used in petrochemical, thermal power plant and other oil, water vapor pipeline for connecting or cutting off the pipeline intermediary opening and closing device.

Main features:

1, compact structure, reasonable design, good valve rigidity, channel smooth, small flow coefficient

2, sealing surface of stainless steel and hard alloy, long service life

3. Flexible graphite packing, reliable sealing, light and flexible operation

4. The driving mode is manual, pneumatic, electric and gear transmission

5. The structure is in the form of elastic wedge single ram and rigid wedge single ram double ram

Executive standard specification:

1. Design specification: GB/T 12234

2. Structure length: GB/T 12221

3. Connecting flange: JB/T 79

4. Test and inspection: JB/T 9092

5. Pressure-temperature: GB/T 9131

6. Product identification: GB/T 12220

Main performance specifications:

TYPE	Nominal pressure(MPa)	Test pressure			Working temperature(℃)	Applicable medium
TYPE	Nominal pressure(MPa)	strength level（MPa）	To seal (water) with air（MPa）	Low pressure seal air（MPa）	Working temperature(℃)	Applicable medium
Z41H-16C Z641W-16P(R)	1.6	2.4	1.8	0.6	≤425	Nitrate class
Z41W-25P(R)	2.5	3.8	2.8	0.6	≤200	Acetic acid class
Z41W-40P(R)	4.0	6.0	4.4	0.6	≤200	Nitrate class
Z41W-64P(R)	6.4	9.6	7.0	0.6	≤200	Nitrate class

Material of main parts:

Body/cover	ZGICr18Ni9Ti	ZG00Cr18Ni10	ZG1Cr18Ni12M02Ti	ZG00Cr17Ni14M02	WCB
Part name	ZGICr18Ni9Tit	ZG00Cr18Ni10	ZG1Cr18Ni12M02Ti	ZG00Cr17Ni14M02	WCB
ram	ZGICr18Ni9Ti	ZG00Cr18Ni10	ZG1Cr18Ni12M02Ti	ZG00Cr17Ni14M02	1Cr13
Valve stem	1Cr18Ni9Ti	00Cr18Ni10	1Cr18Ni12M02Ti	00Cr17Ni14M02	1Cr13
packing	PTFE	PTFE	PTFE	PTFE	graphite
gasket	304L＋PTFE	304L＋PTFE	316＋PTFE	316L＋PTFE	graphite
gland	ZGICr18Ni9Ti	ZG00Cr18Ni10	ZG1Cr18Ni12M02Ti	ZG00Cr17Ni14M02	WCB
Packing gland ring	1Cr18Ni9Ti	00Cr18Ni10	1Cr18Ni12M02Ti	00Cr17Ni14M02	1Cr13
螺栓	1Cr17Ni2	1Cr17Ni2	1Cr17Ni2	1Cr17Ni2	35CrMoA
nut	1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni9Ti	45

1.6MPaMain shape and connection size:

size	DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350	400	450	500	600
L	mm	130	150	160	180	200	250	265	280	300	325	350	400	450	500	550	600	650	700	800
H	mm	175	180	210	210	350	358	373	435	500	614	674	818	1225	1415	1630	1780	2050	2181	2599
W	mm	180	180	200	200	200	240	240	280	320	360	360	400	450	500	500	600	720	720	720

2.5MPaMain shape and connection size:

尺寸	DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350	400	450	500	600
L	mm	130	150	160	180	200	250	265	280	300	325	350	400	450	500	550	600	650	700	800
H	mm	175	180	210	210	350	358	373	435	500	614	674	818	1225	1415	1630	1780	2050	2181	2599
W	mm	180	180	200	200	200	240	240	280	320	360	360	400	450	500	500	600	720	720	720

4.0MPaMain shape and connection size:

尺寸	DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350	400
L	mm	130	150	160	180	200	250	280	310	350	400	450	550	650	750	850	950
H	mm	175	180	210	210	350	358	373	435	500	614	674	818	1225	1415	1630	1780
W	mm	180	180	200	200	200	240	240	280	320	360	360	400	450	500	500	600

6.4MPaMain shape and connection size:

尺寸	DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350	400
L	mm	170	190	210	230	240	250	280	320	350	400	450	550	650	750	850	950
H	mm	175	180	210	230	350	359	373	435	500	614	674	818	970	1145	1280	1450
W	mm	120	120	140	160	200	240	280	320	360	400	400	450	560	640	800	800

10.0MPaMain shape and connection size:

尺寸	DN	15	20	25	32	40	50	65	80	100	125	150	200	250
L	mm	170	190	210	230	240	250	280	310	350	400	450	550	650
H	mm	175	180	210	230	350	359	373	435	500	614	674	818	970
W	mm	120	120	160	180	240	280	320	360	400	450	560	640	720

16.0MPaMain shape and connection size:

尺寸	DN	15	20	25	32	40	50	65	80	100	125	150	200
L	mm	170	190	210	230	240	300	340	390	450	525	600	750
H	mm	175	180	210	230	350	359	373	435	500	614	674	818
W	mm	120	120	140	160	200	240	280	320	360	400	400	450