Wenzhou Zhengyuan Valve Co., Ltd.

Product name：Z41H gate valve

Product category：API gate valve

Information

Executive standard editor for Z41H cast steel gate valves
Design and manufacture: as per GB/T12234-89 regulations
Length of structure: as specified by GB/T12221-89
Flange dimensions: as specified in JB79 GB/T9112-9131
Inspection and test: as specified in JB/T9092-99 GB/T13927-92
Main technical parameters

Z41product model	Nominal pressure/PN	Work stress/ MPa	Applicable temperature / ℃	Applicable medium
Z41H-16C、25	16、25	1.6、2.5	≤ 425	Water, steam, oil
Z41Y-16C、25	16、25	1.6、2.5	≤ 425	Water, steam, oil
Z41W-16P、25P	16、25	1.6、2.5	≤ 150	Weakly corrosive medium
Z41Y-16P、25P
Z41W-16R、25R
Z41Y-16R、25R
Z41Y-16I、25I			≤ 550	steam, oil
Z41Y-16V、25V			≤ 570	Water, steam, oil
Z41H-40~200	40~200	4.0~20.0	≤ 425	Water, steam, oil
Z41H-40I~200I	40~200	4.0~20.0	≤ 550	Water, steam, oil
Z41H-40P~200P	40~200	4.0~20.0	≤ 200	Nitrates
Z41H-40R~200R	40~200	4.0~20.0	≤ 200	Nitrates

Material of main parts

Model	Material Science
Model	Valve body, valve cover	The stem	Sealing surface	filler
Z41H-16C、25	carbon steel	Chromium stainless steel	Hardfacing Fe based alloy	Asbestos, graphite or flexible graphite
Z41Y-16C、25	carbon steel	Chromium stainless steel	Hardfacing alloy	Asbestos, graphite or flexible graphite
Z41W-16P、25P	Chromium nickel titanium stainless steel	Chromium nickel titanium stainless steel	本体材料	Asbestos, graphite or flexible graphite
Z41Y-16P、25P	Chromium nickel titanium stainless steel	Chromium nickel titanium stainless steel	Hardfacing alloy
Z41W-16R、25R	Chromium nickel molybdenum titanium stainless steel	Chromium nickel molybdenum titanium stainless steel	Bulk material
Z41Y-16R、25R	Chromium nickel molybdenum titanium stainless steel	Chromium nickel molybdenum titanium stainless steel	Hardfacing alloy
Z41Y-16I、25I	chrome molybdenum steel	chrome molybdenum steel	Hardfacing alloy
Z41Y-16V、25V	CrMoV	CrMoV	Hardfacing alloy	Flexible graphite
Z41H-40~200	carbon steel	Chromium stainless steel	Carbon steel, +Cr13 or carbide	Flexible graphite
Z41H-40I~200I	Cr Mo steel	Alloy steel	Alloy steel + hard alloy	Flexible graphite
Z41H-40P~200P	Ci Ni Ti	Stainless steel	Stainless steel or stainless steel + hard alloy	Flexible graphite
Z41H-40R~200R	Ci Ni Mo Ti Steel	Stainless steel	Stainless steel or stainless steel + hard alloy	Flexible graphite

Z41H main dimensions and weight

Z41H, Z41Y, Z41W type PN10 steel wedge gate valve shape and structure size (mm)

Nominal diameter	size（mm)
DN(mm)	L	D	D1	D2	b-f	Z-d	H
40	165	145	110	85	18-3	4-18	245	135	20
50	180	160	125	100	20-3	4-18	286	180	26
65	190	180	145	120	20-3	4-18	320	180	35
80	203	195	160	135	22-3	4-18	373	200	45
100	229	215	180	155	22-3	8-18	428	200	60
125	250	245	210	185	24-3	8-18	513	240	85
150	270	280	240	210	24-3	8-23	582	240	125
200	292	335	295	265	26-3	8-23	730	320	180
250	330	390	350	320	28-3	12-23	897	320	240
300	356	440	400	368	28-3	12-23	1032	400	360
350	381	500	460	428	30-3	16-23	1170	400	400
400	406	565	515	482	32-3	16-25	1330	500	500
450	432	615	565	532	32-3	20-25	1460	500	590
500	457	670	620	585	34-3	20-25	1650	500	680

Z41H、Z41Y、Z41W type PN16 steel wedge gate valve shape and structure size (mm)
DN	L	D	D1	D2	b	f	z×ød	H	D0	weight/ kg
15	130	95	65	45	14	2	4×ø14	175	200	4
20	150	105	75	55	14	2	4×ø14	180	200	5
25	160	115	85	65	14	2	4×ø14	210	200	6
32	180	135	100	78	16	2	4×ø18	210	200	7
40	200	145	110	85	16	3	4×ø18	350	200	19
50	250	160	125	100	16	3	4×ø18	358	240	29
65	265	180	145	120	18	3	4×ø18	375	240	33
80	280	195	160	135	20	3	8×ø18	433	280	45
100	300	215	180	155	20	3	8×ø18	502	320	63
125	325	245	210	185	22	3	8×ø18	612	360	108
150	350	280	240	210	24	3	8×ø23	676	360	134
200	400	335	295	265	26	3	12×ø23	820	400	192
250	450	405	355	320	30	3	12×ø25	969	450	273
300	500	460	410	375	30	4	12×ø25	1142	560	379
350	550	520	470	435	34	4	16×ø25	1280	640	590
400	600	580	525	485	36	4	16×ø30	1452	640	850
450	650	640	585	545	40	4	20×ø30	1541	720	907
500	700	705	650	608	44	4	20×ø34	1676	720	958
600	800	840	770	718	48	5	20×ø41	1874	800	1112