Z41H flange cast steel wedge gate valve-Fornitore globale

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1896411889715000726608
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Building 4, No. 686 Nanfeng Road, Fengcheng Town, Fengxian District, Shanghai

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Z41H flange cast steel wedge gate valve

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Shanghai Wilton Valve Co., Ltdmain products(Z41H flange cast steel wedge gate valve)Also domestically(Gate valve)One of the producers. Business scope of the company: production, processing, and sales of valves, pipe fittings, and fluid equipment, sales of pipeline fittings, building materials, hardware and electrical equipment, and automatic control equipment, engaged in import and export business of goods and technology! Welcome new and old customers to call or write to us. We will wholeheartedly provide you with satisfactory service!

Z41HFlange cast steel wedge gate valveproduct overview:

Overview of Gate Valves: The opening and closing component of a gate valve is the gate plate, which moves perpendicular to the fluid direction. Gate valves can only be fully opened and fully closed, and are not suitable for regulation and throttling. The gate has two sealing surfaces, and the most commonly used wedge gate valve has two sealing surfaces that form a wedge shape. The wedge angle varies with the valve parameters and is usually5°The gate of a wedge gate valve can be made as a whole, called a rigid gate; It can also be made into a gate that can produce slight deformation to improve its processability and compensate for the deviation of the sealing surface angle during the processing. This type of gate is called an elastic gate. When the gate valve is closed, the sealing surface can be sealed solely by the medium pressure, that is, the sealing surface of the gate is pressed against the valve seat on the other side by the medium pressure to ensure the sealing surface is sealed, which is called self sealing. Most gate valves use forced sealing, which means that when the valve is closed, external force must be used to forcefully press the gate plate against the valve seat to ensure the sealing performance of the sealing surface. The gate of a gate valve that moves in a straight line with the valve stem is called a lift rod gate valve(Also known as rising stem gate valve. Usually, there are trapezoidal threads on the lifting rod, which convert rotational motion into linear motion through the nut at the top of the valve and the guide groove on the valve body, that is, convert operating torque into operating thrust. Some valves have valve stem nuts installed on the gate plate, and the handwheel rotates to drive the valve stem to rotate, thereby lifting the gate plate. This type of valve is called a rotary stem gate valve or a concealed stem gate valve.

Z41HCast steel flange gate valve--Has the following advantages;

1The fluid resistance is low, and the sealing surface is less susceptible to erosion and erosion by the medium.

2Opening and closing are relatively effortless.

3The flow direction of the medium is unrestricted, without disturbance or pressure reduction.

4Simple form, short structural length, good manufacturing processability, and wide applicability. Types of gate valves: According to the sealing surface configuration, they can be divided into wedge gate valves and parallel gate valves. Wedge gate valves can also be divided into single gate plate, double gate plate, and elastic gate plate types; Parallel gate valves can be divided into single gate plate and double gate plate. According to the thread position of the valve stem, it can be divided into two types: rising stem gate valves and hidden stem gate valves.

Performance Specification for Flange Wedge Gate Valve

model	nominal pressure (MPa)	testing pressure			operation temperature(℃)	Applicable Medium
model	nominal pressure (MPa)	Strength water（MPa）	Sealed (water) air（MPa）	Low pressure sealed air（MPa）	operation temperature(℃)	Applicable Medium
ZAH-16C Z41W-16P(R)	1.6	2.4	1.8	0.6	≤200	Nitric Acid
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 Acid
Z41W-60P(R)	6.4	9.6	7.0	0.6	≤200	Acetic acid

Main component materials of flange wedge gate valve

valve body/valve cover	ZGICr18Ni9Ti	ZG00Cr18Ni10	ZG1Cr18Ni12M02Ti	ZG00Cr17Ni14M02	WCB
Part name	ZGICr18Ni9Titseries	ZG00Cr18Ni10series	ZG1Cr18Ni12M02Tiseries	ZG00Cr17Ni14M02series	WCBseries
Ram	ZGICr18Ni9Ti	ZG00Cr18Ni10	ZG1Cr18Ni12M02Ti	ZG00Cr17Ni14M02	1Cr13
valve stem	1Cr18Ni9Ti	00Cr18Ni10	1Cr18Ni12M02Ti	00Cr17Ni14M02	1Cr13
filler	PTFEweave	PTFEweave	PTFEweave	PTFEweave	graphite
shim	304L＋PTFE	304L＋PTFE	316＋PTFE	316L＋PTFE	graphite
cover	ZGICr18Ni9Ti	ZG00Cr18Ni10	ZG1Cr18Ni12M02Ti	ZG00Cr17Ni14M02series	WCB
Packing pressure ring	1Cr18Ni9Ti	00Cr18Ni10	1Cr18Ni12M02Ti	00Cr17Ni14M02	1Cr13
bolt	1Cr17Ni2	1Cr17Ni2	1Cr17Ni2	1Cr17Ni2	35CrMoA
nut	1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni9Ti	45

Flange wedge gate valve1.6MPaMain connection dimensions

size	DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350	400	450	500	600
L	mm	130	150	160	180	200	250	265	280	300	325	350	400	450	500	550	600	650	700	800
H	mm	175	180	210	210	350	358	373	435	500	614	674	818	1225	1415	1630	1780	2050	2181	2599
W	mm	180	180	200	200	200	240	240	280	320	360	360	400	450	500	500	600	720	720	720

Flange wedge gate valve2.5MPaMain connection dimensions

size	DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350	400	450	500	600
L	mm	130	150	160	180	200	250	265	280	300	325	350	400	450	500	550	600	650	700	800
H	mm	175	180	210	210	350	358	373	435	500	614	674	818	1225	1415	1630	1780	2050	2181	2599
W	mm	180	180	200	200	200	240	240	280	320	360	360	400	450	500	500	600	720	720	720

Flange wedge gate valve4.0MPaMain connection dimensions

size	DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350	400
L	mm	130	150	160	180	200	250	280	310	350	400	450	550	650	750	850	950
H	mm	175	180	210	210	350	358	373	435	500	614	674	818	1225	1415	1630	1780
W	mm	180	180	200	200	200	240	240	280	320	360	360	400	450	500	500	600

Flange wedge gate valve6.4MPaMain connection dimensions

size	DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350	400
L	mm	170	190	210	230	240	250	280	320	350	400	450	550	650	750	850	950
H	mm	175	180	210	230	350	359	373	435	500	614	674	818	970	1145	1280	1450
W	mm	120	120	140	160	200	240	280	320	360	400	400	450	560	640	800	800

Flange wedge gate valve10.0MPaMain connection dimensions

size	DN	15	20	25	32	40	50	65	80	100	125	150	200	250
L	mm	170	190	210	230	240	250	280	310	350	400	450	550	650
H	mm	175	180	210	230	350	359	373	435	500	614	674	818	970
W	mm	120	120	160	180	240	280	320	360	400	450	560	640	720

Flange wedge gate valve16.0MPaMain connection dimensions

size	DN	15	20	25	32	40	50	65	80	100	125	150	200
L	mm	170	190	210	230	240	300	340	390	450	525	600	750
H	mm	175	180	210	230	350	359	373	435	500	614	674	818
W	mm	120	120	140	160	200	240	280	320	360	400	400	450

Ordering process:
1. Fax the customer's purchase list, call for consultation, or email shweierdun@163.com
2. Received the customer's purchase list and provided the customer with valve model selection and quotation (price list)
3. Specific agreement: delivery time, special requirements, and other matters

Ordering Notice:
1. If the customer has special requirements for the product, the following instructions must be provided in the order contract:
a. Structural length;
b. Connection form;
c. Nominal diameter;
d. Product usage medium, temperature, and pressure range;
e. Testing, inspection standards, and other requirements.
2. Our factory can configure various driving devices according to specific customer requirements.
3. When the customer provides the determined valve type and model, the customer should correctly explain the meaning and requirements of the model, and sign the contract under the condition of mutual understanding between the supply and demand parties.
4. Futures and ordering customers are requested to first call and provide detailed information on the required valve model, specifications, quantity, delivery time, and location. And 30% of the total contract amount shall be prepaid, and the supplier shall prepare materials for production.

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