Ductile Iron Gate Valve CNBM
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 PCS
- Supply Capability:
- 1000 PCS/month
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1.Structure of Gate Valve Description:
A gate valve, also known as a sluice valve, is a valve that opens by lifting a round or rectangular gate/wedge out of the path of the fluid. The distinct feature of a gate valve is the sealing surfaces between the gate and seats are planar, so gate valves are often used when a straight-line flow of fluid and minimum restriction is desired. The gate faces can form a wedge shape or they can be parallel. Gate valves are primarily used to permit or prevent the flow of liquids, but typical gate valves shouldn't be used for regulating flow, unless they are specifically designed for that purpose. Because of their ability to cut through liquids, gate valves are often used in the petroleum industry. For extremely thick fluids, a specialty valve often known as a knife valve is used to cut through the liquid. On opening the gate valve, the flow path is enlarged in a highly nonlinear manner with respect to percent of opening. This means that flow rate does not change evenly with stem travel. Also, a partially open gate disk tends to vibrate from the fluid flow. Most of the flow change occurs near shutoff with a relatively high fluid velocity causing disk and seat wear and eventual leakage if used to regulate flow. Typical gate valves are designed to be fully opened or closed.When fully open, the typical gate valve has no obstruction in the flow path, resulting in very low friction loss.
2. Main Features of the Gate Valve:
• Valve body cavity using non-toxic epoxy resin,both inside and outside flashboard completely is coated with rubber
• Free of water pollution
• High manufacturing accuracy
• High strength
• Environmental protection and energy saving
• Good visual effect
3. Images
4. Gate valve Specification
Gate valve
Ductile iron gate valve
Flange Gate valve
Our company can produce all kinds of valves, If you have any inquiry, please contact us, we will offer you our best price.
1,good quality and competitive prices |
2,WRAS,CE,ISO 9001 approved. |
3,AKZO epoxy coating available |
Flanged ends according to BS,DIN,MSS,ANSI JIS |
Designed according BS,DIN,MSS,ANSI JIS |
Ductile Iron or Cast Iron body, bonnet and handwheel |
Cast iron wedge, NBR/EPDM coated |
Stainless steel stem, epoxy coating |
Test: BS,DIN,MSS,ANSI JIS |
5.FAQ
1. What's are the characteristics of gate valve?
The distinct feature of a gate valve is the sealing surfaces between the gate and seats are planar, so gate valves are often used when a straight-line flow of fluid and minimum restriction is desired. The gate faces can form a wedge shape or they can be parallel.
2. What is the work principle of gate valve ?
The gate faces can form a wedge shape or they can be parallel. Gate valves are primarily used to permit or prevent the flow of liquids, but typical gate valves shouldn't be used for regulating flow, unless they are specifically designed for that purpose. Because of their ability to cut through liquids, gate valves are often used in the petroleum industry.
3. What is the structure?
Bonnets provide leakproof closure for the valve body. Gate valves may have a screw-in, union, or bolted bonnet. Screw-in bonnet is the simplest, offering a durable, pressure-tight seal. Union bonnet is suitable for applications requiring frequent inspection and cleaning. It also gives the body added strength. Bolted bonnet is used for larger valves and higher pressure applications.
- Q:How big valves and fittings need flange installation, such as gate valves, DN50, DN80 and the like?.
- According to user requirements, DN15 also has flanges, in general, DN50 or more are flanges
- Q:The difference and use of gate valve and stop valve
- Standard light valve professionals to answer for you, gate valve refers to the closure of parts (gate) along the central line of the vertical direction of moving valve. The gate valve is mainly used for cutting in the pipeline. The valve is a valve with a very wide, cutting device general caliber DN = 50mm use it, sometimes a small diameter cutting device also use valve, gate valve has the following advantages:Fluid resistance is small.Minor force needed for opening and closing.
- Q:Gate valve Z41H-16Q generally used for what place?
- Commonly used in petroleum, chemical systems, especially in long-distance pipelines of petroleum and natural gas.
- Q:Stainless steel gate valve DN150 200300 weight, who knows?
- The weight of DN150/200/300 is 134/192/379kg. Of course, different manufacturers may vary in weight, but not much.It's not that heavy at all
- Q:What is gate well?
- Gate valve well: it is a irrigation network system which aims at improving water utilization and efficiency, aiming at the construction of water saving and high-efficiency agriculture as well as scientific and technological innovation as well as convenient operation and management.
- Q:What valve is z45w gate valve?
- Cast iron gate valve with turbine head, please contact me
- Q:What does the gate valve SZ45X-1.0 stand for?
- Z- stands for gate valves, 4 for flange connections, 5 for wedge wedge single gate, X for rubber seals, and 1.0- for PN1.0MP
- Q:Gate valve z11h/y-16 what does that mean?
- Product Name: internal thread gate valveItem number: Z11HProduct specification: DN15-50Product pressure: 1.6MPa-2.5MPaMaterial: cast iron, cast steel, stainless steelInternal thread gate valve nominal pressure 2.5Mpa, applicable temperature range -20-232-350, applicable medium: water, oil, gas and certain corrosive liquid (W.O.G), thread type G.NPT.BSPT.BSP.DIN259/2999.
- Q:What is the difference between a flanged gate valve and a wire gate valve?
- Threaded valve is via the wire or wire is connected with the pipeline, a small general air for the air valve, all belong to this
- Q:Is the gate valve clockwise or closed?
- In general, the valve is clockwise turn off, in the case of special requirements under the opening.
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Ductile Iron Gate Valve CNBM
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 PCS
- Supply Capability:
- 1000 PCS/month
OKorder Service Pledge
OKorder Financial Service
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