Slim Disc Wafer Butterfly Valve Cast Iron / Ductile Iron Material

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Product Description:

Slim Disc Wafer Butterfly Valve Cast Iron / Ductile Iron Material

 

About Product

 

1. Small in size and light in weight; Easy installation and maintenance; It can be mounted wherever needed

 

2. Simple and compact construction, quick 90 degrees on-off operation.

 

3. Minimized operating torque, energy saving.

 

4. Bubbles-tight sealing with no leakage under the pressure test.


REASONS FOR CHOOSE US

 

1.We are direct proucer of butterfly valves, check/non-return valves, gate valves and so on.

 

2.We can offer you most professional technical support.

 

3.All valves are tested twice before and after hammer pin to ensure its perfect sealing property.

 

4.Valves' back seats are  phenolic resin under DN350 while above DN400 are aluminium back seat to prolong its working life.

 

5.Concentric valves can ensure zero leakge.


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Q:Ask about the valve of home improvement
All inlet pipes should be fitted with valves, so if the faucet breaks, you'll know the benefits
Q:How about leaking water pipe valve?
1, if it is household valveA, the valve and pipe connections at the leakage, in the connection, do not rub tape (the best counter clockwise direction, so that when the valve is connected, the more twisted the more tight) ;B, if the valve itself in the leak, there are ways, it is necessary to open the valve, in which to add sealed or O ring, but it is recommended to replace a more convenient.2, if it is industrial valvesA, industrial valves leaking, if not the valve itself in the leak, then in the valve and pipe connections to join the sealing ring,B, if the valve itself is leaking, it is best to return to the manufacturer for maintenance, if not convenient, then only the manufacturers to come here for maintenance.
Q:What is the main function of the valve?
Valve is a control component in the fluid delivery system. It has the functions of closing, adjusting, guiding, preventing reverse flow, stabilizing voltage, shunting or overflow and releasing pressure.Valves used in fluid control systems, from the simplest stop valve to a very complex automatic control system used in a variety of valves, a wide range of varieties and specifications. Valves can be used to control air, water, steam, a variety of corrosive media, mud, oil, liquid metal and radioactive media and other types of fluid flow. The valve according to the material is divided into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316), chrome molybdenum steel, chromium molybdenum vanadium steel valves, valve, dual phase steel valves, plastic valves, non-standard customized valve material etc..
Q:Proportional valve why than other small pipeline valves
3.7 machinesGraphical representation of numbers, names, symbols3.7.1 motors include synchronous or asynchronous and micro AC and DC motors3.7.2 generator3.7.3 centrifugal liquid pump, liquid from open end, closed end3.7.4 piston pump liquid from the open end, closed end3.7.5 pump water from the mouth into the mouth closed3.7.6 vacuum pump gas from the open end, closed endThe 3.7.7 screw and the small end of the turbo compressor represent compressed gasThe small end of the 3.7.8 piston compressor represents compressed gasThe small end of the 3.7.9 membrane compressor represents compressed gas3.7.10 turbine low pressure gas expansion after the big endian representation3.7.11 said the main piston expander after expansion of low pressure gas3.7.12 turbo expander small end said high-pressure low end big endian representation3.7.13 motor brake expander small end said high-pressure low end big endian representationThe heat exchanger or Freon evaporator for 3.7.14 water and freon refrigeration unit
Q:How do you calculate the pressure difference between the front and rear of the valve?
the preset pressure after the valve, thus maintaining the dynamic pressure balance valve, and non compressible medium, mainly for the purpose of regulating the flow, especially in the petrochemical industry, power industry, if the specific calculation of a valve is more difficult, but a lot of data will provide the valve valve opening and flow of the corresponding graph, the landlord is really interested in learning more, can go to the Xinhua Bookstore to find the valve selection manual valve related content, which will introduce calculation method.
Q:What does valve DN50/80 mean?
DN50/80 refers to the size of the valve. That is, the circulation diameter is 50mm/80mm.
Q:Remove the handle and lever the stem rotation with a wrench,
First you know what valve you need, or you know where to use the pipe material, so you do not need to understand the valve material.
Q:What is the flow medium of the valve?
Valve flow medium refers to the valve through the fluid, gas and liquid.For example: water, air, oil, gas, steam, acid, alkali, gas, heat conduction oil and so on, are called medium.
Q:What items and detailed procedures should be inspected for valve size inspection?
Valve body structure length and flange size, GB size, the implementation of GB/T12221-2005. American Standard. (the American Society of mechanical engineers ASME B 16.10-2000).
Q:Where is the filling portion of the valve?
The valve stem and the body of the valve at the junction of the pressure cap, the pressure cap is filled inside.Valve (Famen) is a control component in the fluid delivery system. It has the functions of closing, adjusting, guiding, preventing reverse flow, stabilizing voltage, shunting or overflow and releasing pressure. Valves used in fluid control systems, from the simplest stop valve to a very complex automatic control system used in a variety of valves, a wide range of varieties and specifications.

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