Automated Gate Valve

Gate Valve-KAIHAPPY VALVE
Gate Valve-KAIHAPPY VALVE
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Min Order Qty: 20 sets pc
Supply Capability: To Order pc/month
Casting  Iron Gate Valve
Casting Iron Gate Valve
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Thread Gate Valve
Thread Gate Valve
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Min Order Qty: 10 Sets set
Supply Capability: 10000 Sets Per Month set/month
Welded Gate Valve
Welded Gate Valve
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Min Order Qty: 1 Piece pc
Supply Capability: 200 Pieces Per Month pc/month
Stem Gate Valve DIN3352
Stem Gate Valve DIN3352
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Min Order Qty: 2 Pieces pc
Supply Capability: 1000 Pieces Per Month pc/month
Ductile iron gate valve
Ductile iron gate valve
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Min Order Qty: 100 PCS
Supply Capability: 1000 PCS/month
BS  Gate Valve
BS Gate Valve
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Min Order Qty: 10 Pieces set
Supply Capability: 40 Tons Per Month set/month
DN100-DN600 Gate Valve
DN100-DN600 Gate Valve
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cast iron gate valve
cast iron gate valve
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China cheaper Gate Valve
China cheaper Gate Valve
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Min Order Qty: 20 sets pc
Supply Capability: To Order pc/month
Ductile Iron Gate Valve
Ductile Iron Gate Valve
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Gate Valve for Water
Gate Valve for Water
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Min Order Qty: 1 pc
Supply Capability: 10000 pieces/year pc/month
DN700 Gate Valve
DN700 Gate Valve
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China Gate Valve
China Gate Valve
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Min Order Qty: 20 sets pc
Supply Capability: To Order pc/month
Flange Gate valve
Flange Gate valve
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forged Flange Gate Valve
forged Flange Gate Valve
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Min Order Qty: 1 Piece pc
Supply Capability: 200 Pieces Per Month pc/month
Electric cast steel Gate Valve
Electric cast steel Gate Valve
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Gate Valve JIS 10k Standar Double Flanged
Gate Valve JIS 10k Standar Double Flanged
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Min Order Qty: 12 set
Supply Capability: 12345 set/month
ANSI Flange Stainless Steel Gate Valve
ANSI Flange Stainless Steel Gate Valve
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Min Order Qty: 200 kg
Supply Capability: 10000 kg/month
Cast steel Gate Valve with manual
Cast steel Gate Valve with manual
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Knife Gate Valve For Water
Knife Gate Valve For Water
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Min Order Qty: 1 pc
Supply Capability: 10000 piece/year pc/month
CNBM Ductile iron BS5163 gate valve 6''
CNBM Ductile iron BS5163 gate valve 6''
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NBR Rubber Sealing Gate Valve
NBR Rubber Sealing Gate Valve
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STEEL GATE VALVE DIN3352 / BS5163 / API600
STEEL GATE VALVE DIN3352 / BS5163 / API600
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Min Order Qty: 1 pc
Supply Capability: 10000 pc/month
Ductile Iron Gate Valve GGG50 Low Price
Ductile Iron Gate Valve GGG50 Low Price
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Min Order Qty: 100 PCS
Supply Capability: 1000 PCS/month
Carbon Steel API Gate Valve
Carbon Steel API Gate Valve
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Min Order Qty: 20 unit
Supply Capability: 2000/month unit/month
DIN3352 F4 RUBBER Gate Valve PN16
DIN3352 F4 RUBBER Gate Valve PN16
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Min Order Qty: 100 PCS
Supply Capability: 1000 PCS/month
DN100 Cast Steel Gate Valve Soft Seal Gate Valve
DN100 Cast Steel Gate Valve Soft Seal Gate Valve
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Gate Valve of Large Diameter With Bronze
Gate Valve of Large Diameter With Bronze
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Min Order Qty: 200 kg
Supply Capability: 10000 kg/month
Ductile Iron Gate Valve The new designs
Ductile Iron Gate Valve The new designs
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Min Order Qty: 100 PCS
Supply Capability: 1000 PCS/month
API Carbon Steel  Non-risings Gate Valve
API Carbon Steel Non-risings Gate Valve
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Min Order Qty: 5 set
Supply Capability: 1000 set/month
Cast Iron Gate Valve DIN 2014
Cast Iron Gate Valve DIN 2014
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Min Order Qty: 100 PCS
Supply Capability: 1000 PCS/month
Cryogenic Gate Valve with reliable sealing
Cryogenic Gate Valve with reliable sealing
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Min Order Qty: 500 set
Supply Capability: 3000 set/month
Cast Iron Soft  Sealing Flanged Gate Valve
Cast Iron Soft Sealing Flanged Gate Valve
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Min Order Qty: 200 PCS
Supply Capability: 10000 PCS/month
Ductile Iron Valve ,Gate Valve ,Gas Valve
Ductile Iron Valve ,Gate Valve ,Gas Valve
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Min Order Qty: 100 PCS
Supply Capability: 1000 PCS/month
Ductile Iron Gate Valve BS5136/5150  DIN
Ductile Iron Gate Valve BS5136/5150 DIN
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Min Order Qty: 100 PCS
Supply Capability: 1000 PCS/month

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FAQ

Installation and operation instructions of knife gate valve
3., check the packing parts require compaction, not only to ensure the sealing of the packing, but also to ensure that the gate open flexible;4., before installing the valve, users must check the valve type, size and attention to the media flow direction, to ensure consistency with the valve requirements;s
What are the main types of gate valves?
According to the thread position of the valve stem, can be divided into two kinds of open rod gate valve and dark rod gate valve.s
What is the difference between gate valves Z41W-16R and Z41W-16P?
According to JB/T308P stands for Cr-Ni stainless steelR stands for Cr-Ni-Mo stainless steelCr-Ni stainless acid resistant steel has CF8, CF3, F304, F304L, which applies to the medium of work, such as nitric acid oxidation acid.Cr-Ni-Mo stainless acid resistant steel has CF8M, CF3M, F316 and F316L, which is suitable for working medium, such as acetic acid and reducing acid.s
What are the differences between the gate valve and the cut-off valve?
The operating principle is different. The stop valve is an upward stem type, and the handwheel rotates and rises with the stem. Valve is hand wheel rotation, stem upward movement. Flow is not the same, the gate valve requires full open, the cut-off valve is not the same. The gate valve has no inlet and outlet direction requirements, and the cut-off valve has the required inlet and outletAt the same time, usually with the cut-off valve instead of gate valve, but the valve can also be used instead of cut-off valve. Valve sealing performance better, but the size is generally not large, the size of the gate valve can be done great.The main difference between them lies in:1, different structure, gate valve structure is more complex than the height, larger size, from the appearance point of view than the cut-off gate valve is short and high, especially the gate height space needs a higher open bar, the selection in the installation space under the condition of limited attention to.2, sealing surface, valve in the opening and closing valve and the valve seat surface always contact and friction between the sealing surface, and thus easy to wear, especially in close off the valve when the valve before and after the great pressure, sealing surface wear is more serious. And the valve once the valve is in open condition, it's seat and disc sealing surface between, not in contact,s
Which is more expensive, bronze gate valve or brass gate valve?
The advantage of casting method is more obvious. The casting of stainless steel is much more difficult than that of brass.s
Valve flange drawing n- up to what
A bolt hole used to indicate a flangeThe value of N indicates the number of bolt holesUp to the numerical representation of bolt hole sizes
The difference between gate valve and butterfly valve, as well as cut-off valve,
Butterfly valve is a disc type of open and close parts reciprocating reciprocating about 90 degrees to open, close and adjust the fluid channel of a valve.Advantages: the butterfly valve has the advantages of simple structure, small volume, light weight, material consumption, installation of small size, and torque is small, simple and rapid operation, and also has good flow characteristics of regulation and sealed off, is nearly 10 years the fastest growing valve, high temperature and high pressure, and to large diameter, high sealing function of the direction, long life, good adjusting features and a valve development.Disadvantages: the butterfly valve relative to the gate, ball valve pressure loss is relatively large, it is suitable for pressure loss requirements lax piping system.Under normal circumstances, it is not suitable for high temperature and high pressure pipeline system.Valve is closed parts (valve) moving along the centerline of the valve seat, the valve stem to open or close the trip is relatively short, but very reliable cut off function, and because changes in the valve seat and the valve stroke is proportional to, is also very suitable for the regulation of traffic.Advantages: in the process of opening and closing, the friction between the disc and the valve body is smaller than that of the gate valve, so it is wearableThe opening height is generally only 1/4 of the diameter of the seat channel, so it is much smaller than the gate valveGenerally, there is only one sealing surface on the body and disc, so the manufacturing process is good and easy to maintain;Disadvantages: the flow resistance coefficient is relatively large, resulting in pressure lossUnsuitable for large caliber productionThe opening and closing moment is larger and the structure length is longer.s
What does gate valve Z44T-10-200 code mean?
The meaning of the model is standard, the landlord himself to check the JB/T308 standard, Baidu library some, and is free to download:JB/T 308-2004 valve type method of preparation clear EditionHttp://wenku.baidu.com/view/5f798850ad02de80d4d84036.htmlZ = gate valve4 = connection: flange4 = structure form: double gateT = sealing surface material: Copper10 = nominal pressure: 1.0MPa, followed by no letters indicate body material: Cast Iron200 = nominal path: DN200s

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