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Parallel double gate valve

Technical Specifications

Product model: Z944H
Nominal diameter: DN15 to 900mm
Nominal pressure: PN1.6 - 4.0 MPa
Working temperature: -29℃ to 425℃
Applicable media: water, steam, oil products, gases, etc.

Sales Hotline：

0086-21-59110018

Product Details

Product Overview

The parallel double gate valve developed by our company is a product that has been successfully designed and developed through the digestion and absorption of advanced foreign technologies. Currently, it has different transmission methods such as manual, bevel gear transmission, pneumatic, and electric.

This product operates reliably and is suitable for emergency cutting or discharge of pipelines transporting gases and liquids. It can be used safely and reliably in environments such as high temperature, high pressure, explosion-proof, and anti-corrosion. It has been widely applied in sectors including petroleum, chemical industry, power, metallurgy, textile, oil depots, and others. After years of production and research and development, its structural performance has been continuously improved and enhanced. New technologies are constantly integrated, leading to continuous improvement in product quality and performance. The market has expanded, and it has gained users' trust and praise through excellent services.

Shape connection dimensions

PN (MPa)	DN	Dimensions (of the shape)						Connection dimensions				Sealing surface（RF）		Reference Weight （kg）
		L Basic series code		H	H1	L1	D0	D	K	n-d	C	D1	f
		3(Short)	1/15(Long)	H	H1	L1	D0	D	K	n-d	C	D1	f
1.6	15	108	130	472	380	185	250	95	65	4-14	16	45	2	27
	20	117	150	485	390	185	250	105	75	4-14	18	58	2	30
	25	127	160	490	400	185	250	115	85	4-14	18	68	2	32
	32	140	180	530	414	185	250	140	100	4-18	18	78	2	35
	40	165	240	600	430	185	250	150	110	4-18	18	88	2	42
	50	178	250	729	488	185	250	165	125	4-18	18	102	2	57
	65	190	270	802	550	185	250	185	145	8-18	18	122	2	68
	80	203	280	891	604	185	250	200	160	8-18	20	138	2	80
	100	229	300	1051	710	185	250	220	180	8-18	20	158	2	100
	125	254	325	1283	740	185	250	250	210	8-18	22	188	2	125
	150	267	350	1385	925	185	250	285	240	8-22	22	212	2	155
	200	292	400	1700	1119	258	350	340	295	12-22	24	268	2	265
	250	330	450	1904	1226	258	350	405	355	12-26	26	320	2	350
	300	356	500	2245	1438	258	350	460	410	12-26	28	378	2	470
	350	381	550	2620	1640	290	400	520	470	16-26	30	428	2	640
	400	406	600	2715	1400*	290	400	580	525	16-30	32	490	2	840
	450	432	650	2840	1550*	445	650	640	585	20-30	40	550	2	1200
	500	457	700	3220	1700*	445	650	715	650	20-33	44	610	2	1380
	600	508	800	3750	1900*	480	650	840	770	20-36	54	725	2	1620
	700	610	900	4365	2280*	480	650	910	840	24-36	42	795	2	2780
	800	711	1000	4890	2504*	525	900	1025	950	24-39	42	900	2	4215
	900	711	1100	5305	2725*	530	900	1125	1050	28-39	44	1000	2	4850