2021 Good Quality Double Non Return Valve - Electrical Gate Valve – Kaibo

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2021 Good Quality Double Non Return Valve - Electrical Gate Valve – Kaibo Detail:

PN（MPa)	housing	Test pressure (Mpa)		Upper seal
PN（MPa)	housing	seal(liquid state)	seal(gas state)	Upper seal
1.6	2.4	1.8	0.6	1.8
2.5	3.8	2.8	0.6	2.8
4.0	6.0	4.4	0.6	4.4
6.4	9.6	7.0	0.6	7.0
10.0	15.0	11.0	0.6	11.0
16.0	24.0	18.0	0.6	18.0

Valve body, valve cover	Valve plate and seat	Stem	Stem nut	filler	handwheel
carbon steel	Excellent carbon steel + cemented carbide or stainless steel	Chromium stainless steel	Aluminum bronze	Graphite asbestos packing	malleable iron
Chromium nickel titanium steel	Stainless steel, stainless steel + cemented carbide	Chromium nickel titanium stainless steel	Aluminum bronze	teflon	malleable iron
Chromium nickel molybdenum titanium steel	Stainless steel, stainless steel + cemented carbide	Chromium nickel titanium stainless steel	Aluminum bronze	teflon	malleable iron
Chromium molybdenum steel	Alloy steel + cemented carbide	Chromium molybdenum steel	Aluminum bronze	Flexible asbestos	malleable iron

DN	L	D	D1	D2	b	Z-d	H	D0
Z41H-16C
15	130	95	65	45	14-2	4-Φ14	170	120
20	150	105	75	55	14-2	4-Φ14	190	140
25	160	115	85	65	14-2	4-Φ14	205	160
32	180	135	100	78	16-2	4-Φ18	270	180
40	200	145	110	85	16-3	4-Φ18	310	200
50	250	160	125	100	16-3	4-Φ18	358	240
65	265	180	145	120	18-3	4-Φ18	373	240
80	280	195	160	135	20-3	8-Φ18	435	280
100	300	215	180	155	20-3	8-Φ18	500	300
125	325	245	210	185	22-3	8-Φ18	614	320
150	350	280	240	210	24-3	8-Φ23	674	360
200	400	335	295	265	26-3	12-Φ23	811	400
250	450	405	355	320	30-3	12-Φ25	969	450
300	500	460	410	375	30-3	12-Φ25	1145	580
350	550	520	470	435	34-4	16-Φ25	1280	640
400	600	580	525	485	36-4	16-Φ30	1452	640
Z41H-25
15	130	95	65	45	16-2	4-Φ14	170	120
20	150	105	75	55	16-2	4-Φ14	190	140
25	160	115	85	65	16-2	4-Φ14	205	160
32	180	135	100	78	18-2	4-Φ18	270	180
40	200	145	110	85	18-3	4-Φ18	310	200
50	250	160	125	100	20-3	4-Φ18	358	240
65	265	180	145	120	22-3	8-Φ18	373	240
80	280	195	160	135	22-3	8-Φ18	435	280
100	300	230	190	160	24-3	8-Φ23	500	300
125	325	270	220	188	28-3	8-Φ25	614	320
150	350	300	250	218	30-3	8-Φ25	674	360
200	400	360	310	278	34-3	12-Φ25	811	400
250	450	425	370	332	36-3	12-Φ30	969	450
300	500	485	430	390	40-4	16-Φ30	1145	580
350	550	550	490	448	44-4	16-Φ34	1280	640
400	600	610	550	505	48-4	16-Φ34	1452	640

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