Three eccentric metal seated Flanged butterfly walve DN40-DN1200

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Product Description:

1.Technical Date:

Size: DN40-DN4000

Nominal Pressure: PN10/PN16/PN25/PN40

Operation Temperature: -20°C~425°C

Suitable Medium:Hot water, gas, acid and alkali, etc.

2. Standard

Design Standard: GB/T 12238-2008

Structural Length: GB/T 12221-2005

Top Flange dimensions: ISO5211

Face to face dimensions: GB9112,DIN2501,BS4504,ISO2084,ANSI125

Type of connection: Flanged Type

3. Feature:

 The valve can bear high temperature, simple structure, wide scope of use. Defect is sealing surface wear and tear, does not apply to medium containing particulate matter.


 

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Q:The difference between the electric control valve and the electric butterfly valve, respectively, the application situation
Butterfly valve switching speed, fluid resistance is small, but the flow control is not good, suitable for only fast opening and closing occasions. Control valve switching speed is relatively slow, fluid resistance, but the flow control of the linear good, suitable for flow control requirements of the occasion.
Q:What's the difference between electric butterfly valve and electric two way valve?
The electric two way valve is specially used for the fan coil of the central air conditioner. It is usually used in conjunction with the temperature controller. It can realize the automatic regulation of temperature. But the electric butterfly valve and the electric control valve belong to a kind of variety, and they are important execution units in the field of industrial automation control.
Q:The difference between the directly buried gate and the flange valve and butterfly valve
The flange gate valve is stable and reliable when used in the pipeline, so the flange gate valve is used on the high pressure pipeline.Butterfly valve refers to the closure of parts (valve or butterfly plate) as the disk, around the valve shaft to achieve rotation and closing of a valve, the main cut off on the pipe and throttling role. Butterfly valve headstock is a disc shaped disc, in the valve body around its own axis of rotation, so as to achieve the purpose of opening or closing or regulation. Butterfly valve used in furnace, coal gas, natural gas, liquefied petroleum gas, city gas, hot and cold air, chemical smelting and power generation environmental protection engineering system, conveying a variety of corrosive and non corrosive media pipeline, used to adjust and cut off the media flow.
Q:Function of signal butterfly valve in fire sprinkler system
The signal butterfly valve is connected with the fire alarm system to monitor the switch status of the valve, thus effectively preventing misoperation
Q:Butterfly valve common faults and treatment methods?
Three, summary:Only familiar with every detail of circulating water pump outlet valve and butterfly valve equipment, timely and thorough maintenance and strict debugging, to ensure the safety and reliability of equipment operation, to ensure the healthy and orderly operation of equipment.
Q:Butterfly valve is generally used in what position?
Butterfly valve used in furnace, coal gas, natural gas, liquefied petroleum gas, city gas, hot and cold air, environmental protection, chemical smelting and power building water supply and drainage engineering system in conveying a variety of corrosive and non corrosive media pipeline, used to adjust and cut off the media flow. It can also be used for switch control of low pressure pipeline medium.
Q:What is the national standard for clip butterfly valves?
GB/T 12238-2008 "flange and clip connection elastic seal butterfly valve"GB/T 26144-2010 flanged and clip on steel lined fluoroplastic butterfly valvesJB/T 8527-1997 "metal sealed butterfly valve"
Q:Do you use the straight stem butterfly valve in the fire fighting engineering?
Only the gate valve clearly rod and dark pole, butterfly valve classification is the clamp type and flange type, Zhengzhou butterfly valve factory, Mr. Zhao
Q:Which is better, the round two lobe butterfly valve?
Can be directly installed in the ventilation pipe, connected with the wind pipe, used to control the speed, adjust the indoor air, the double structure diagram can reduce the space length of the blade is unfolded, and also has the characteristics of small airflow resistance, convenient adjustment etc.
Q:Model specification for butterfly valves
Butterfly valve type to clip type:D7A1XR-16 50mm-1200mm D7A1XD-16 50mm-1200mm D7A1XN-16 50mm-1200mm D7A1FR-16 50mm-1200mm D7A1FD-16 50mm-1200mm D7A1FN-16 50mm-1200mm 偏心式 :D73F-16 50mm-300mm

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