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Z941H Electric Flange Gate Valve

Product overview

Product model: Z941H
Nominal diameter: NPS 2" ~ 48" DN40 ~ 1200mm
Pressure range: CL150 ~ 2500 PN10 ~ 420MPa
Operating temperature: -29℃ ~ +600℃
Main material: carbon steel, stainless steel, alloy steel
Design specification: GB/T 12234
Structure length: GB/T 12221
Connection flange: JB/T 79
Test and inspection: JB/T 9092
Pressure - temperature: GB/T 9131
Product ID: GB/T 12220

Z941H Electric Flange Gate Valve product details

Z941H Electric Flange Gate Valve produced and sold by Baigang Valve Group is widely used in petrochemical industry, thermal power plant and other oil products, water vapor pipeline as connecting or cutting off the intermediate opening and closing device of pipeline.

Z941H Electric Flange Gate Valve Features
(1) Small flow resistance. The valve body inside the media channel is straight through, the medium into a straight line flow, flow resistance.
(2) More effort when opening and closing. Is compared with the shut-off valve, because either open or closed, gate direction of motion perpendicular to the media flow direction.
(3) Height, opening and closing time long. Gate opening and closing stroke larger, drop is carried out by the screw.
(4) Water hammer phenomenon is not easy to produce. The reason is a long time off.
(5) The medium can flow in any direction on both sides, easy to install. Gate valve on both sides of the channel is symmetrical.
(6) The length of the structure (the distance between the two connecting end faces of the shell) is small.
(7) Sealing surface easy to wear, affecting the service life. When opening and closing, the two sealing surfaces of the gate and the valve seat frictionally slide with each other, which easily causes abrasion and abrasion under the action of medium pressure, affects the sealing performance and shortens the service life.
(8) The price is more expensive. More contact sealing surface, processing more complex, especially the sealing surface of the gate seat is not easy to process, but more parts.
(9) Simple shape, short structure length, good manufacturability and wide range of application.
(10) Compact structure, good valve rigidity, smooth passage, small flow resistance, stainless steel and hard alloy sealing surface, long service life, PTFE packing, reliable sealing, light and flexible operation.

Z941H Electric Flange Gate Valve - Performance Specifications

model	Nominal pressure (MPa)	Experimental pressure			Working temperature (℃)	Suitable media
model	Nominal pressure (MPa)	Strength water (MPa)	Sealed (water) air (MPa)	Low pressure seal air (MPa)	Working temperature (℃)	Suitable media
Z41H-16C Z41W-16P (R)	1.6	2.4	1.8	0.6	≤425	Nitric acids
Z41W-25P (R)	2.5	3.8	2.8	0.6	≤200	Acetic acid
Z41W-40P (R)	4.0	6.0	4.4	0.6	≤200	Nitric acids
Z41W-64P (R)	6.4	9.6	7.0	0.6	≤200	Acetic acid

Z941H Electric Flange Gate Valve - the main parts material

Body / bonnet	ZGICr18Ni9Ti	ZG00Cr18Ni10	ZG1Cr18Ni12M02Ti	ZG00Cr17Ni14M02	WCB
Part Name	ZGICr18Ni9Tit series	ZG00Cr18Ni10 series	ZG1Cr18Ni12M02Ti series	ZG00Cr17Ni14M02 series	WCB series
Gate	ZGICr18Ni9Ti	ZG00Cr18Ni10	ZG1Cr18Ni12M02Ti	ZG00Cr17Ni14M02	1Cr13
Valve stem	1Cr18Ni9Ti	00Cr18Ni10	1Cr18Ni12M02Ti	00Cr17Ni14M02	1Cr13
Filler	PTFE braid	PTFE braid	PTFE braid	PTFE braid	graphite
Gasket	304L + PTFE	304L + PTFE	316 + PTFE	316L + PTFE	graphite
Gland	ZGICr18Ni9Ti	ZG00Cr18Ni10	ZG1Cr18Ni12M02Ti	ZG00Cr17Ni14M02 series	WCB
Packing pressure ring	1Cr18Ni9Ti	00Cr18Ni10	1Cr18Ni12M02Ti	00Cr17Ni14M02	1Cr13
Bolt	1Cr17Ni2	1Cr17Ni2	1Cr17Ni2	1Cr17Ni2	35CrMoA
Nut	1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni9Ti	45

Z941H Electric Flange Gate Valve main dimensions and weight

Nominal pressure PN (MPa)	Nominal diameter DN(mm)	L	D	D1	D2	b	Z-ød	D3	H	H1	D0	Weight (kg)
1.6	40	240	150	110	88	20	4-ø17.5	164	602	602	300	68
	50	250	165	125	102	20	4-ø17.5	164	610	610	300	69
	65	270	185	145	122	20	4-ø17.5	164	612	612	300	80
	80	280	200	160	133	20	8-ø17.5	195	690	690	300	83
	100	300	220	180	158	20	8-ø17.5	220	833	833	300	94
	125	325	250	210	184	22	8-ø17.5	268	867	876	300	125
	150	350	285	240	212	24	8-ø22	280	958	958	300	160
	200	400	340	295	268	26	12-ø22	370	1096	1096	300	225
	250	450	405	355	320	30	12-ø26	460	1244	1244	300	348
	300	500	460	410	370	30	12-ø26	530	1430	1474	400	485
	350	550	520	470	430	34	16-ø26	610	1565	1663	400	696
	400	600	580	525	482	36	16-ø30	710	1735	1886	400	1000
	500	700	715	650	585	44	20-ø33	5860	1961	2181	400	1064

Reminder:

All text, data and pictures in this article are for reference only.To see more details of the Z941H Electric Flange Gate Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

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