valve of china 2600

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Quick DetailsStandard 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)

Model Number:  GF4 resilient gate valves:  resilient seat flange


Packaging & DeliveryPackaging Detail: air plastic bag inside/wooden box outside

Delivery Detail: 15-60days


SpecificationsDIN3352 F4 resilient seat flange gate valves

1.size:DN40-DN300

2.medium:water

3.standard:DIN

4.certificate:ISO9001 CE


resilient gate valves

1.size:DN40-DN300

2.medium:water

3.certificate:ISO9001 CE

4.standard:DIN


available medium:water

working temperature:≤80oC


flange dimensions:DIN2501


face to face dimensions:DIN3202F4.


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Q:How do you draw the butterfly valve in the engineering drawing?
Butterfly valve there are many kinds of painting, mainly designed to draw on the staff, according to the design institute out of the icon.
Q:What's the difference between D71X-16 and D71H-16 butterfly valves?
Model D71X model means this, D represents butterfly valve, 7 represents butterfly connection form for clip type connection, 1 represents straight through, and 16 represents pressure 16 kg pressure.X stands for sealing and soft sealing, and the sealing surface is usually nbr.H stands for metal hard sealing, usually 2Cr13 surfacing.D71X-16 butterfly valve featuresIts main features are:1 、 the design is novel, reasonable, unique structure, light weight, fast opening and closing.2 、 small operating torque, easy operation, labor-saving and smart.3. It can be installed and maintained conveniently in any position.4, seals can be replaced, sealing performance is reliable, to achieve two-way sealing, zero leakage.5, sealing materials aging resistance, corrosion resistance, long service life and so on.
Q:How many kinds of butterfly valves are there?
[main classification]1, according to drive points(1) electric butterfly valve(2) pneumatic butterfly valve;(3) hydraulic butterfly valve;(4) manual butterfly valve;2, according to the structure of the form:(1) Central sealed butterfly valve(2) single eccentric sealed butterfly valve(3) double eccentric sealed butterfly valve(4) three eccentric sealed butterfly valve;3, sealing surface material quality:(1) soft sealing butterfly valve.1) the sealing pairs are made of non-metallic soft materials, which are made of non-metallic soft materials.2) the sealing pair is made of metal hard material and is made of non-metallic soft material.(2) metal hard sealing butterfly valve. The sealing pair is made of metal hard material and is made of metal hard material.4, according to sealed form points:(1) forced sealing butterfly valve.1) elastic sealing butterfly valve. The pressure of the valve seat, seat, or plate is produced when the seal is closed by the pressure from the valve.2) additional torque seal butterfly valve. The seal is produced by a torque that is applied to the valve shaft.(2) pressure sealed butterfly valve. The pressure is greater than the pressure on the seat or plate.(3) automatic sealing butterfly valve. The pressure of the seal is automatically generated by the pressure of the medium.
Q:Do you use the straight stem butterfly valve in the fire fighting engineering?
Bar valve bar, did not hear the bar with butterfly valve, ah, there are pairs of folder and hand wheel type bar
Q:Butterfly valve medium flow direction of the provisions of it?
From the above example, it can be concluded that the arrow direction of the butterfly valve body refers to the direction of the pressure of the medium. Before the installation, the user must know the direction of the pressure of the valve after the valve is closed. The direction of the arrow of the free valve body is in accordance with the direction of the pressure of the medium, so that the correct use can be achieved, and the tightness of the valve body is kept in good condition.
Q:DN80 flange butterfly valve, DN80 flange butterfly valve DN80, flange butterfly valve DN80 what is the difference?
No, what's the difference?. It's not all the same.Flange connectionDN80 caliber butterfly valve. What's the difference?. Model and pressure. Materials are not ~!
Q:Gate valve and butterfly valve which is installed when there is a direction?
There is no direction when installing the valve. The butterfly valve has an eccentric butterfly valve which is in the direction of installation
Q:The difference between butterfly valve and gate valve
Its varieties and quantities are still expanding, and the development of high temperature, high pressure, large caliber, high sealing, long life, excellent regulation, as well as multi-function development of one valve. Its reliability and other performance indicators have reached a high level. Disadvantages, there is a certain resistance to the medium. Gate valves are more used in steam pipes and large diameter water supply pipelines, because of the general requirements of fluid resistance is small, the use of gate valve. Valve is hand wheel rotation, stem upward movement. Flow is not the same, the gate valve requires full open. Need a higher installation space, the valve sealing surface has a certain self sealing capacity, its spool by the media pressure closely with the valve seat sealing surface contact, to achieve tight leakage.
Q:Fire, the signal butterfly valve flange connection or welding?
Fire signal butterfly valve is generally used to clamp type connection more, the clip type butterfly valve body is without flange, that is to say, with two flanges on the pipe, then screw the butterfly valve. Followed by the butterfly valve itself with flanges, and then the pipe flange with screws connected, this is the flange connection. Fire welding less use, pressure is not high!
Q:How can one - way sealed butterfly valves and two-way sealed butterfly valves be distinguished?
One way sealing butterfly valve is the front of the butterfly valve. When it closes, it must face the direction of the medium. The medium flows only in one direction, and the arrow on the valve body indicates the direction of the flow direction of the medium. Attention should be paid to the flow direction of the medium during installation. The two-way sealing butterfly valve is that the butterfly plate can face or back the direction of the medium, and the installation needs no attention to the direction of the flow of the medium, and the valve body also has no indication of the direction of the flow direction of the medium. Two way sealing butterfly valve stem force is greater than one-way butterfly valve stem. Design, the same diameter, pressure butterfly valve, two-way sealing butterfly valve stem diameter than one-way sealing butterfly valve stem diameter.

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