Cast Iron gate Valve Standard:DIN Structure: Gate Pressure: Medium

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Standard or Nonstandard: Standard Structure: Gate Pressure: Medium Pressure Power: Manual Material: Casting Temperature of Media: Medium Temperature Media: Water Port Size: DN40mm-DN300 Place of Origin: China (Mainland)  gate valve: Resilient Seated Flanged Cast iron gate valve: DI gate valve Packaging & Delivery

Packaging Details: air plastic bag inside/wooden box outside 

Delivery Detail: 15--60days 

Specifications

Resilient Seated Flanged gate valve 



resilient gate valve F5

1.size:DN40-DN300 

2.medium:water 

3.certificate:ISO9001 CE 

4.standard:DIN

gate valve product description:

1, selected materials, in line with domestic and international standards, high overall quality of the material.
2, in line with the requirements of domestic and foreign advanced standards, reliable sealing, excellent performance, attractive appearance.
3. Sealing pair advanced and reasonable, gate and seat sealing surface with different hardness Stellite (Stellite) cobalt-based alloy cladding made, reliable sealing, high hardness, wear resistance, high temperature, corrosion good anti-abrasion performance, long life.
4, stem quenched and nitride surface treatment, has good corrosion resistance, scratch resistance and abrasion resistance.
5, the use of flexible wedge gate structure, medium and large caliber set thrust bearings, friction force is small, and with a striking manually open and close with ease.

available medium:water 

working temperature:≤80oC


flange dimensions:DIN2501


face to face dimensions:DIN3202F5

 

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Q:The legend of gate valve and stop valve
The working 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 outlet!Gate valve and stop valve are shut-off valve, is the most common two valves.From the exterior, the gate valve is shorter than the cut-off valve, especially the bar valve needs a higher height space. Valve sealing surface has a certain degree of self sealing capacity, its spool depends on the media pressure tight contact with the valve seat sealing surface, to achieve tight leakage. Wedge gate valve spool angle is generally 3~6 degrees, when forced to shut down excessive or temperature changes of the valve core is easy to die. Therefore, high temperature and high pressure wedge gate valve, in the structure have taken certain measures to prevent spool stuck. The valve in the opening and closing valve and valve seat sealing surface contact and mutual friction is always so easy to wear sealing surface, especially in close off the valve, the valve before and after the great pressure, sealing surface wear is more serious.
Q:Does the tap belong to a stop valve or a gate valve?
Most taps are stop valves:1, gate valve (gate valve) is a headstock ram, RAM direction of motion perpendicular to the direction of the fluid, valve can only be fully open and fully closed doors, discomfort pumpsparameters vary, usually 5 degrees is not high, medium temperature is 2 degrees 52'. To improve its manufacturability, make up for the deviation of the angle of the sealing surface during processing. This gate is called an elastic ram.2, valve (stop, Globe, Valve) of the opening and closing parts are plug shaped valve, sealing surface is flat or sea cone, the valve along the center line of the valve seat in a straight line movement. Stem form of exercise (generic name: dark bar), but also lift rotating rod can be used to control air, water, steam, all kinds of corrosive media, mud, oil, metals and radioactive liquid media and other types of fluid flow. Therefore, this type of shut-off valve is very suitable for cutting or regulating and throttling. Because of 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, is very suitable for flow regulation.The stop valve is an ascending stem type, and the handwheel rotates and rises along 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 outlet!
Q:What is the difference between the cut-off valve and the gate valve?
When opening and closing, the valve core and valve seat sealing surface always contact and rub each other, so the sealing surface is easy to wear, the valve is close to shut down, the pressure difference between the pipe is very large, so that the sealing surface wear more serious.Gate valve and stop valve advantages and disadvantages:Valve is the advantages of small flow resistance, the media can flow in two directions, but there are tall, complex structure, sealing surface easy to wear shortcomings. The flow resistance of the gate valve is 3-5 times that of the gate valve. Open and close to shut down in order to seal the valve, the valve is completely closed when in contact with the sealing surface, the sealing surface wear is very small, because the flow of the main actuator with large valve should pay attention to adjust the torque control mechanism.
Q:What is the difference between Z41X gate valve and Z45X gate valve?
2 kinds of valve function, there is no difference.Nothing more than a one with a bright bar. One is a dark pole.Dark pole is cheaper.Everything else is the same. Contact me if you need another valve. Zhejiang Futai Valve Co., ltd.. The contact picture is in the head.
Q:What's the difference between open rod gate and dark rod gate valve?
4, the dark pole gate valve height smaller size; Ming rod gate valve requires a larger installation space;5, the structure of the rod gate valve is beneficial to the lubrication of the valve stem, and the degree of opening and closing is obvious. The stem thread of the dark rod gate valve is not only unable to lubricate, but also directly accepts the medium erosion and is easy to damage. Therefore, the open bar gate valve is used more widely
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:Gate valve is gate valve, gate valve specifications, model code is generally what?
Gate valve is not gate valve, gate valve does not have a fixed specific model
Q:What do you mean by "2" and "200 CF8M"?
CF8M is stainless steel, and 2 is caliber 50200 and should also be bore
Q:What kind of valve is gate valve? Is it different from the cut-off valve?
Gate valve is applied to the big diameter pipeline valve, the valve is generally used in small pipe diameter pipeline, their internal structure is different, the valve can not regulate the flow of water, the valve can be. If you want to understand in detail, it is recommended to take a sample of valve manufacturers to see the internal structure.
Q:Z41T one 10 gate valve and Z44T one, 10 gate valve difference
Z41T one, 10 is single gate, Z44T one, 10 is double gateAccording to the provisions of the JB/T 308-2004 valve type programming method:Z== gate valve4== connection: flange type1== structure: Rigid single gate4== structure: Rigid double gateT== sealing surface material: copper alloy10== pressure rating: 1.0MPa

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