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Beijing Valve General Factory Co., Ltd., formerly known as Beijing Valve General Factory, was established in 1952. It is a key backbone enterprise of the former Ministry of Machinery Industry manufacturing high and medium pressure valves and steam traps.
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Beijing Valve General Factory Co., Ltd. is a member of the material supply network of large enterprises such as China National Petroleum Corporation, China Petrochemical Corporation, and State Electric Power Corporation.
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It has been rated as a famous trademark of Beijing since 2009, and has won the “National High-tech Enterprise Certificate” for seven consecutive years.
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The vice chairman unit of the National Valve Industry Association and a member unit of the National Quality Inspection Association.Obtained a municipal valve R&D center institution.
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The product varieties of Beijing Valve Factory include various types of steam trap valves, liquefied petroleum gas gate valves, globe valves, ball valves, check valves, butterfly valves, high temperature...
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There is currently 1 pressure pipeline expert committee member of the State Administration of Market Supervision and Administration.One member of the National Valve Standardization Technical Committee is responsible for the review of valve standards.
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Gate valve

Z41H/Y type steel wedge gate valve

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Z41H/Y type steel wedge gate valve

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服务热线010-8928 3399

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Product introduction

Parameters

Product description

Z41H, Z41Y type 150 (Lb)~600(Lb) steel wedge gate valve: manual, flange connection, open rod wedge rigid single gate, seat sealing surface material is cemented carbide, pressure level 150 (Lb)~600(Lb), valve body material is carbon steel (Z41Y-150(Lb)~600(Lb)), chromium molybdenum steel (Z41Y-300(Lb) I Z41Y-400(Lb) I) , Stainless steel (Z41Y-150 (Lb)P~600(Lb)P Z41Y-150(Lb)R~600(Lb)R Z41H-600(Lb)P Z41H-600(Lb)R) American standard gate valve.

Product performance parameters

Z41H, Z41Y type 150(Lb)~600(Lb) steel wedge gate valve main performance parameters
Model number	Pressure level（Lb）	Applicable temperature/℃	Applicable media
Z41Y-150（Lb）	150	≤425	Water, steam, oil
Z41Y-150（Lb）P	150	≤200	Corrosive media
Z41Y-150（Lb）R	150	≤200	Corrosive media
Z41Y-300（Lb）	300	≤425	Water, steam, oil
Z41Y-300（Lb）P	300	≤200	Corrosive media
Z41Y-300（Lb）R	300	≤200	Corrosive media
Z41Y-400（Lb）	400	≤425	Water, steam, oil
Z41Y-600（Lb）	600	≤425	Water, steam, oil
Z41H-150（Lb）	150	≤425	Water, steam, oil
Z41H-300（Lb）	300
Z41H-400（Lb）	400
Z41Y-300（Lb）I	300	≤550	Water, steam, oil
Z41Y-400（Lb）I	400	≤450	Non-corrosive media
Z4Y-400（Lb）P	400	≤150	Weakly corrosive media
Z41Y-400（Lb）R	400	≤200	Corrosive media
Z41H-600（Lb）	600	≤200	Non-corrosive media
Z41H-600（Lb）I		≤350	Non-corrosive media
Z41H-600（Lb）P		≤200	Corrosive media
Z41Y-600（Lb）R	600	≤150	Corrosive media

Product parts and materials

Z41H, Z41Y type 150(Lb)~600(Lb) steel wedge gate valve parts and materials
Model number	Material
Model number	Valve body, valve cover, gate	Valve stem	Sealing surface	Packing
Z41Y-150（Lb）	Carbon steel	Chrome stainless steel	Surfacing cemented carbide	Asbestos graphite or flexible graphite
Z41Y-150（Lb）P	Chrome-nickel-titanium steel	Chrome-nickel-titanium steel	—	—
Z41Y-150（Lb）R	Chrome-nickel-molybdenum-titanium steel	Chrome-nickel-molybdenum-titanium steel	—	—
Z41Y-300（Lb）	Carbon steel	Chrome stainless steel	Surfacing cemented carbide	Asbestos graphite or flexible graphite
Z41Y-300（Lb）P	Chrome-nickel-titanium steel	Chrome-nickel-titanium steel	—	—
Z41Y-300（Lb）R	Chrome-nickel-molybdenum-titanium steel	Chrome-nickel-molybdenum-titanium steel	—	—
Z41Y-400（Lb）	Carbon steel	Chrome stainless steel	Surfacing cemented carbide	Asbestos graphite or flexible graphite
Z41Y-600（Lb）	Carbon steel	Chrome stainless steel	Surfacing cemented carbide	Asbestos graphite or flexible graphite
Z41H-150（Lb）	Carbon steel	Chrome stainless steel	Chrome stainless steel	Asbestos graphite or flexible graphite
Z41H-300（Lb）
Z41H-400（Lb）
Z41Y-300（Lb）I	Chrome molybdenum steel	Chrome stainless steel	Surfacing cemented carbide	Asbestos graphite or flexible graphite
Z41Y-400（Lb）I	Chrome molybdenum steel	Chromium molybdenum steel + cobalt chromium tungsten	—	—
Z4Y-400（Lb）P	Chrome-nickel-titanium stainless steel	Chrome-nickel-titanium stainless steel	Surfacing cemented carbide	Asbestos measurements or flexible graphite
Z41Y-400（Lb）R	Chromium nickel molybdenum titanium	Chrome-nickel-molybdenum-titanium steel + cobalt-chromium-tungsten	—	—
Z41H-600（Lb）	Carbon steel	Chrome steel	—	—
Z41H-600（Lb）I	Carbon steel	Chrome steel
Z41H-600（Lb）P	Chrome-nickel-titanium steel	Chromium molybdenum vanadium steel
Z41Y-600（Lb）R	Chromium nickel molybdenum titanium stainless steel	Chromium nickel molybdenum titanium stainless steel	Surfacing cemented carbide	Asbestos graphite or flexible graphite

Product shape and structure size

Z41H, Z41Y type 150 (Lb) steel wedge gate valve main shape and structure size (mm)
DN	DN/in	L	D	D₁	D₂	b	z×Φd	H≈	D₀≈	Weight/kg
50	2	178	152	120.5	120.5	16	4×Φ19	323	200	23
65	2¹/2	190	178	139.5	139.5	18	4×Φ19	347	250	32
80	3	203	190	152.5	152.5	19	4×Φ19	383	250	40
100	4	229	229	190.5	190.5	24	8×Φ19	457	300	63
125	5	254	254	216	216	24	8×Φ22	632	300	66
150	6	267	279	241.5	241.5	26	8×Φ22	635	350	108
200	8	292	343	298.5	298.5	29	8×Φ22	762	350	181
250	10	330	406	362	362	31	12×Φ25	895	400	263
300	12	356	483	432	432	32	12×Φ25	1080	500	346
350	14	381	533	476	476	35	12×Φ29	1295	600	488
400	16	406	579	540	540	37	16×Φ29	1435	600	621
450	18	432	635	578	578	40	16×Φ32	1626	650	814
500	20	457	698	635	635	43	20×Φ32	1829	650	992
600	24	508	813	749.5	749.5	48	20×Φ35	2175	700	1492
750	30	610	984	914.5	914	75	28×Φ35	2692	700	2272

Z41H, Z41Y type 300 (Lb) steel wedge gate valve main shape and structure size (mm)
DN	DN/in	L	D	D₁	D₂	b	z×Φd	H≈	D₀≈	Weight/kg
50	2	216	165	127	92	16	4×Φ19	323	200	23
65	2¹/2	241	190	149	105	18	4×Φ19	347	250	32
80	3	283	210	168.5	127	19	4×Φ19	383	250	40
100	4	305	254	200	157	24	8×Φ19	457	300	63
125	5	381	279	235	186	24	8×Φ22	632	300	66
150	6	403	318	270	216	26	8×Φ22	635	350	108
200	8	419	381	330	270	29	8×Φ22	762	350	171
250	10	457	444	387.5	324	31	12×Φ25	895	400	263
300	12	502	521	451	381	32	12×Φ25	1080	500	346
350	14	762	584	514.5	413	35	12×Φ29	1295	600	488
400	16	838	648	571.5	470	37	16×Φ29	1435	600	621
450	18	914	711	628.5	533	40	16×Φ32	1626	650	814
500	20	991	775	686	584	43	20×Φ32	1829	650	992
600	24	1143	914	813	692	48	20×Φ35	2175	700	1492