• JIS flanges System 1
JIS flanges

JIS flanges

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1)JIS 5K 10K 16K 20K 40K,PLATE,SLIP AND BLIND FLANGES

2)the material can be S235JR,A105,P250GH,P245GH.

3)the dimension will be from DN15-DN2000

the surface can be protected rust oil,black paint or yellow paint,cold galvanised or hot dipped galvanised.

We can also process according to the samples or drawings offered by the customers.

Our company is specialized in producing the flanges. The company was founded in 1992 and now has more than 150 employees, including more than 20 engineers and technicians. We have more than 100 sets of production equipments.And the annual production capacity is more than 30,000 tons.
 Our company mainly produces flanges including the standards of American, Germany, British and Japanese. We can also process according to the samples or drawings offered by the customers. Our products are exported to more than 20 countries, such as the USA ,  Espana , British, Morocco
,France ,Germany ,Japan and the countries from the Middle East and Southeast Asia. The quality of the production is deeply trusted by the customers.

Our company has more than twenty years producing history with rich experiences and complete technical data. We have a set of high quality forging, casting, machine tooling, assembling, testing and packing line. The quality of the production is totally in accordance with the national and international standards. We have got the ISO9001:2008 Quality Certificate. European pressure equipment  and materials PED97/23/EC certification and German pressure equipment  and  materials AD2000-WO certification

Q:Where are metal flanges usually used?
Electrostatic connecting line should be in accordance with the standards in Appendix H (informative) as shown in table H.1.Three. Specifications for design and construction of GB 50156-2002 gas station10.3.3 in * * hazardous areas of oil, liquefied petroleum gas and natural gas pipeline flange, hose ends the joint application of metal wire jumper. When the bolted flange connection not less than 5, in the non corrosive environment can be bridged.
Q:May I ask the prawns to help me explain, "coupler" and "flange" mean the same thing, if not, what's the difference between them? Forget everyone, pointing out!!In the first time
For a waveguide type fiber coupler, it is generally a component with Y - type branching, and the optical signal input by one optical fiber can be divided into equal parts. When the opening angle of the coupler branch increases, the leakage of light to the cladding will increase, resulting in excessive loss, so the opening angle is generally within 30 degrees, so the length of the waveguide type fiber coupler can not be too short.
Q:What is the welding flange valve, is it the flange and pipe welding, and then the valve flange with bolts on the pipe connected to the flange? What is the threaded flange valve?
The valve is the valve flange welding flange welding flange installed in the pipeline, the valve is threaded flange threaded flange installed in the pipe threading to install the valve, but no difference for the valves, pipeline installation flange just not in the same way.
Q:Now in chemical, flange pn2.
It does not include the fluctuation pressure of the fluidDesign pressure refers to the maximum instantaneous pressure acting on the inner wall of a pipe system. Generally, the pressure of the work force and the sum of the residual water hammer pressure are usedNominal pressure is to design, manufacture and convenient use, a nominal pressure set artificially. The nominal pressure is the actual pressure unit, "pressure" is commonly known as the Chinese, unit is "Pa" instead of "N".
Q:What's the difference between RF flange and RJ flange?
The difference between the RF flange and the RJ flange is that the seal is different.RF flange is a face seal surfaceRJ flange is ring connection sealing surface
Q:PROE flat sheet metal design whole wall and the flange wall what is the difference?
Very simple. The flat wall is the front face, and the flange wall is the side.Is not to say that the sheet metal is a relatively thick iron sheet, can be divided into surface and thickness, smooth surface from the surface is positive to see the past, is Affirmative or trapezoidal, and flange wall is in the thickness direction, is folded into a L shape or Z shape.
Q:Flange PL40 (B)What does PL40 mean in flange PL40 (B) -1.6RF304HG20593-97?
PL 'flat welding flange 40 nominal diameter DN40
Q:I would like to ask this flange type in the end what is the shape, why is it called flange type?
Flange typeFlange connection is an important connection way for pipeline constructionFlange connection is the two pipes, fittings or equipment, each first fixed on a flange on the flange between the two, and flange pad, fastened together with bolts to complete the connection. Some fittings and equipment have built flange, flange connection also belongs.
Q:How much is a bottle of Ma Falan produced in Switzerland?
Melphalan not produced in Switzerland, is a British GlaxoSmithKline Co (GlaxoSmithKline), referred to as GSK production, currently in the Hongkong market sales from Germany, Turkey India Taiwan (wake tumor) prices are more than HK $1000
Q:When the toilet is fitted with flanges, is the rubber side of the flange facing the floor or the toilet? The installation is more reasonable
The rubber side of the flange is toward the toilet, and this has to be done by the master of water and electricity, or by the people who sell the toilet. The flanges and the toilet do not have space, but it will take some time!In addition, after the toilet is loaded, all sides should be put on glass glue, to prevent leakage of dirty gas

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