butterfly valve Valves [Series 1300]

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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.s:DN40-DN300 ize

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


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Q:Who can give me a download UG butterfly valve, needle valve, diaphragm valve standard model address, Japanese standard, American Standard.
Give you the address bar, this is a three-dimensional CAD model library of an online version of the real registered mail, free of charge, there are hundreds of Chinese and foreign manufacturers of the product model is available for download, such as ABB, SMC, FESTO, AIRTAC, CAMOZZI, MISUMI etc..
Q:What's the material of the butterfly valve seat?
Butterfly valve seat materials commonly used include EPDM (three yuan ethylene propylene rubber), NBR (Ding Qing rubber), PTFE (PTFE), metal sealing (cemented carbide).Their scope of application is..:1, EPDM (three yuan ethylene propylene rubber): excellent weather resistance, ozone resistance, heat resistance, acid and alkali resistance, water vapor, color stability, electrical properties, oil and gas flow at room temperature. Ethylene propylene rubber products can be used at 120 degrees for a long time and can be used briefly or intermittently at 150-200 degrees centigrade.2, NBR (Ding Qing rubber): from butadiene and acrylonitrile was prepared by emulsion polymerization, nitrile rubber by emulsion polymerization at low temperature, excellent oil resistance, high wear resistance, good heat resistance, strong adhesion. Its disadvantages are poor resistance to low temperature, poor ozone resistance, poor electrical properties, and slightly lower elasticity.3, PTFE (polytetrafluoroethylene): can be used at 260 degrees for continuous use, with the highest use temperature of 290-320 degrees, low coefficient of friction, good wear resistance, and excellent chemical stability. It can not be injection molded and can be extruded or painted. PTFE's unique properties make it widely used in chemical, petroleum, textile, food, paper making, medical, electronic and mechanical industries and marine operations.4, metal seal (hard alloy): metal seal valve seat material has good resistance to high temperature, high pressure resistance, corrosion resistance and wear resistance, but the high requirements of the processing technology, the biggest drawback is the long time operation is easy to generate leakage.
Q:The difference between the electric control valve and the electric butterfly valve, respectively, the application situation
Electric butterfly valve is a kind of electric control valve.There are many types of valve body, usually through the single seat, straight through two seat, angle, diaphragm, small flow, three pass, eccentric rotation, butterfly, sleeve type, spherical and so on 10. In the selection of control valve valve prior to the media, process conditions and parameters to control the process of careful analysis, to collect sufficient data to understand the system requirements on the control valve, according to the data collected to determine the type of valve to be used.
Q:Butterfly valve is generally used in what position?
It can also be used for switch control of low pressure pipeline medium.
Q:Butterfly valve in the use of the difference? Caliber?
Role of butterfly valveButterfly valve is to use disc type to open and close parts reciprocating reciprocating about 90 degrees to open, close or adjust the flow of medium valve. The butterfly valve has the advantages of simple structure, small volume, light weight, material consumption, installation of small size, the driving performance of torque is small, simple operation, rapid, high chemical corrosion, and can also have good flow control function and closure characteristics, the use of butterfly valve is very extensive. 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. 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: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:Does the pneumatic butterfly valve need electricity?
Definitely need control, so be sure to have electricity. You can control the switch on and off. If necessary, this valve can contact me.
Q:What is an electric two position butterfly valve?
Electric double position butterfly valve belongs to a kind of electric valve and electric control valve. Double eccentric flanged butterfly valve, compact, the product can be used as pipe system shut-off valve, control valve and check valve. With manual control device, once the power failure occurs, you can temporarily manually operated, and will not affect the use. 90 degree rotary switch is easy, reliable and long service life. It is widely used in water supply, power plants, steel mills, paper making, chemical, catering and other systems for water supply, as a regulation and cut-off use.
Q:What is the D37-10Q butterfly valve?
It may be the D371, the turbine to the clip type soft sealing butterfly valve, from your model can also see that the pressure is 1.0MPa, the body is ductile iron. It could be the D373, the turbo clamp hard seal butterfly valve, which is more expensive than the soft seal.
Q:What does the butterfly valve model d344h, d345h, d346h, d347h mean?
According to the international standard of the letters and numbers apart to explain D344H D is a unit of butterfly valve, two unit 3 is driving mode: turbine, three unit 4 connection: flange connection, four unit 4 Structure: seal type linkage, five unit H sealing material: Cr13 stainless steelD345H compare yourself to the above. Unit 5 four is a sealed, single eccentric structureD346H four unit 6 is an unsealed center vertical plateD347H four unit 7 is unsealed double eccentricIn general, there is only one difference between them: the structural form is different!

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