valve of china 8900

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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:Is the pressure test of the centerline butterfly valve checked or checked?
GB/T12238-2008 flange and clip connection elastic seal butterfly valveRules: butterfly valve must be carried out by factory inspection and testing, inspection qualified before leaving the factory.CJ/T 261-2007 "butterfly valves for water supply and drainage."Rules: each product shall be inspected by factory and quality inspection department in accordance with table 4. After inspection, the product certificate shall be attached to the factory before leaving the factory.
Q:Butterfly valve, two-way pressure and one-way pressure what is the difference?
The positive pressure and the reverse pressure, the pressure when the medium returns
Q:Butterfly valve medium flow direction of the provisions of it?
The direction of the arrow on the valve body refers to the direction of the medium.Also known as butterfly valve, control valve has a simple structure, can be used for low pressure pipeline valve switching control is closed parts (disc or disc) is a disk, around the valve axis to achieve the opening and closing a valve, the valve can be used to control the flow of air, water, steam steam, all kinds of corrosive medium, mud, oil, metals and radioactive liquid media and other types of fluid. On the pipeline, mainly from cutting and throttling. 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.
Q:DN80 flange butterfly valve, DN80 flange butterfly valve DN80, flange butterfly valve DN80 what is the difference?
Of course there are differences, the general market sales of the DN80 are many flange plate copper rod butterfly valve, quality can not reach the national standard, to use copper rod copper butterfly valve quality is king.
Q:When will Butterfly Valves be used?
Butterfly valve has the advantages of simple structure, easy operation, small footprint and light weight;1, for the city water supply network in general, DN300 still DN300 valve, butterfly valve above, this installation is convenient (especially large diameter valve installation is inconvenient, the weight of large volume, big);2, there are sediment pipeline, such as powder, mud and other mixed substances;
Q:Can the inlet and outlet of butterfly valve be reversed? Why? What will happen if the reverse gear is installed?
Are butterfly valves and check valves fitted together?Butterfly valve is nothing positive and negative ah!
Q:How much is the Honeywell butterfly DN300?
Find the agent or find a reliable valve plant a lot of foreign brands are in Chinese OEM so find a reliable factory is relatively good service to keep up
Q:Butterfly valve flow direction is single or two-way?
To see your butterfly type low voltage soft sealing clamp / flange butterfly valve is a two-way flow; and high pressure valve seal to choose clip / flanged butterfly valve, these are single direction flow, the valve body is provided with a flow indicator! There are so many factors that you have to say, such as working conditions, pressure, temperature, design concept and so on.
Q:Does the pneumatic butterfly valve need electricity?
Pneumatic butterfly valve generally not need steam can Shandong Yuhong automatic control valve
Q:What are the major disadvantages of butterfly valves?
Rubber elastomer in the butterfly valve will cause tear, wear, aging, perforation and even shedding in continuous use. The traditional heat curing process is difficult to adapt to the needs of on-site repair. It is time-consuming and laborious to use special equipment when repairing, and it consumes a lot of heat and electricity. Nowadays, polymer composite method is gradually used instead of traditional method.

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