CYZ41H differential pressure oil seal gate valve

CYZ41H oil seal differential pressure gate valve

Nominal pressure	Product type number
1.6 to 16.0MPa 150 to 900Lb	CYZ40H, CYZ41H, CYZ40Y, CYZ41Y, KCYZ40Y, KCYZ41Y

Performance Specifications

Stress rating		Pressure test at room temperature (MPa)			Applicable temperature (ºC)	Applicable medium
Stress rating		Shell test	Seal test	Upper seal test	Applicable temperature (ºC)	Sulfur resistant type	Basic type
Nominal pressure PN (MPa)	1.6	2.4	1.76	1.76	-29-121 or as requested by User service	Media containing H2S and CO2 > 500Mg/m3	Oil, natural gas, water, etc
	2.5	3.75	2.75	2.75
	4.0	6.0	4.4	4.4
	6.4	9.6	7.04	7.04
	10.0	15.0	11.0	11.0
	16.0	24.0	17.6	17.6
Pound class Lb	150	2.93	2.07	2.07
	300	7.58	5.52	5.52
	400	10.0	7.31	7.31
	600	15.0	11.03	11.03
	900	22.4	16.54	16.54

Materials for main parts

Part name		Body, bonnet	Gate plate	Valve seat	Stem	Valve stem nut	Sealing face
Materials	Basic Type	WCB	WCB+13Cr/STL	Alloy steel +13Cr	Alloy steel	Aluminum bronze	Polytetrafluoroethylene PTFE
Materials	Sulfur resistant type	WCB sulfur resistant treatment	WCB+STL	Alloy steel +STL	318 steel	Aluminum bronze	Reinforced polytetrafluoroethylene PTFE

Product Standard
Universal valve flange and butt welded steel gate valve GB12234
The structural length of the flange connecting the metal valve is GB12221
The whole cast steel pipe flange JB/T79.1~97.4
Metal material requirements for sulfide stress cracking resistance for natural gas ground facilities SY/T0599
Steel valves generally require GB/T12224
General valve supply requirements GB/T12252
Inspection and testing of valves JB/T9092
General valve designation GB/T12220
Main dimensions and weight

Nominal pressure PN (MPa)	Size
Nominal pressure PN (MPa)	DN	50	65	80	100	125	150	200	250	300	350	400
1.6	L	250	265	280	300	325	350	400	450	500	550	600
	H	425	445	540	620	740	820	1050	1245	1475	1755	1930
	Kg	28	34	45	64	75	106	151	211	302	377	578
2.5	L	250	265	280	300	325	350	400	450	500	550	600
	H	425	445	540	620	740	810	1080	1282	1500	1820	2015
	D0	240	240	280	320	360	400	450	500	500	560	560
	Kg	34	38	51	74	98	117	196	226	354	490	558
4.0	L	250	280	310	350	400	450	550	650	750
	H	435	445	550	670	775	895	1100	1332	1530
	D0	280	280	320	360	400	400	450	500	560
	Kg	38	45	66	89	117	147	242	340	453
6.4	L	250	280	310	350	400	450	550	650	750
	H	438	475	555	670	772	895	1137	1332	1530
	D0	280	280	320	360	400	450	560	560	600
	Kg	45	53	77	112	158	223	317	377	410
10.0	L	250	280	310	350		450	550	650	750
	H	510	540	600	690		985	1085	1215	1365
	D0	280	280	320	360		450	560	600	650
	Kg	54	64	93	135		268	381	452	493
16.0	L	300	340	390	450		600	750	850	950
	H	467	660	680	785		985	1190	1395	1595
	D0	320	360	360	450		500	560	600	650
	Kg	72	85	121	176		350	490	580	635

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