Find Din 2634 Pn25 Stainless Steel Flange, DIN 2634 Flange SS304, Welding Neck Flange DIN 2634 on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.

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flanges Welding neck  SS304 flange DIN 2634

flanges Welding neck SS304 flange DIN 2634

    Unit Price: 1~10 USD
    Payment Type: T/T
    Terms of Trade: FOB
    Min. Order: 10 Piece/Pieces
    Delivery Time: 15 Days
    Packaging: Wooden cases or wooden pallets
    Productivity: 320 tons per mon
    Brand: Jimeng Group
    Transportation: Ocean
    Place of Origin: cangzhou,hebei,china
    Supply Ability: 320 tons per mon
    Certificate: 320 tons per mon

Basic Info

Model No.: DN10-2000

Product Description

Flange sealing surface form are: the entire plane (FF), DCS (RF), convex (M), convex (F) and groove (T), groove surface (G), RTJ (RJ).General concave and convex surface (MF), grooved surface (TG), RTJ (RJ) is matching to use.

1 all plane (FF)

Whole plane sealing is suitable for the occasion of less pressure (PN 1.6 MPa) or less, mainly used for the width of the flange and the low pressure pipeline system, and the suitable sealing gasket contact distribution Yu Falan bolts on both sides of inside and outside the center circle.Corresponding gasket material for cotton nonmetal soft material such as Rubber, gasket preloaded pressure is low, flat welding flange and butt welding flange or socket flange are useful to.

2 tu surface (RF)

Tu (RF) surface is a surface smooth and flat, can also be car system lp waterline.Sealing surface structure is simple, easy to machining, and convenient for anti-corrosion lining.But, this kind of sealing Flange Gasket contact area is larger, the preloaded gasket easy to pile on both sides, not easy to pressure.So sudden surface sealing surface is mainly used in the narrow face of the flange, namely the gasket contact area is located in long, within the scope of the bolt hole surrounded is tu face seal face coincide with the corresponding gasket diameter flange bolt inscribed circle diameter, can use when installation bolt fixed in the position of gasket in the middle of the flange surface.The most widely used seal face in the flange.Apply to tu face seal face of the flange gasket has various non-metallic flat gaskets, cladding gasket;Metal package cushion: Spiral Wound Gasket (including outer or inner and outer ring), etc.

3 concave and convex surface (MFM)
Concave-convex sealing surface (MFM) is composed of a convex (M) and a concave (F) coordinates, placed on the concave gaskets, can prevent the gasket be squeezed out, so it can be applied to high pressure.The characteristic of concave and convex surface sealing surface is hot in the field of embedded in the concave groove, reduced the likelihood of gasket pressure shock, assembly easy to, when compared with sudden surface sealing flange can often be used in the sealing surface sealing occasions with stricter requirements, its shortcomings are two pair of flange sealing surface, sealing surface machining the complex surface of flange, so not as widely used as tu face of the flange.And grooved surface compared to flange, it also can't protect the disadvantages of the gasket is not packed into the pipe.Concave and convex surface sealing surface of sealing gaskets are: apply to all kinds of non-metallic flat pad, wrap mat;Metal package cushion;Basic or inner ring type winding gasket, etc.

4 grooved surface (TG)

Grooved surface (TG) sealing surface is composed of tenon and slot, the sealing surface has the advantages of similar to the concave and convex surface of the flange and is superior to the concave and convex seal face.The gasket is located in the ring grooves, restricted by the metal wall on both sides, from the gasket compression deformation and squeezed in the pipeline.Gasket can be narrower, and compression gasket bolt force needed for the smaller accordingly.Even used in the place of high pressure, bolt size is not too big.Therefore, it is above sealing surface is easy to get good sealing effect.Sealing surface defects is made more complex, structure and the change of piled into the tank gasket is difficult.In addition, the groove part is easy to damage, in the process of dismantling or the transportation should be attention.Due to the gasket is not direct contact with the tube fluid, fluid erosion or corrosion, less suffering and mortise sealing surface suitable for flammable, explosive, toxic, medium and high pressure.When the pressure is not big, even if the diameter is larger, can also be well sealed.Grooved face seal face gasket are: apply to all kinds of metal and non-metallic flat gasket, metal package cushion and basic winding gasket, etc.

5 ring joint sealing surface (RJ)

RTJ mainly use in butt welding neck flange with integral flange, apply pressure range for (6.3 MPa PN 25.0 MPa or less or less).RTJ sealing flange, also belong to the narrow face of the flange, make a ring on the flange of trapezoidal channel as the flange sealing surface, and the surface of the mortise flange, the flange must in axial when install and remove separate flange, therefore, should be considered in the design of the pipeline to separate flange in axial.This kind of special sealing face to with the addition of metallic materials shape is the entity of octagonal or elliptic Metal Gasket, sealing connection.Due to the metal ring cushion can according to the intrinsic characteristics of various metals.Thus the sealing surface sealing performance is good, don't need to install play is too strict, suitable for high temperature and high pressure condition, but the sealing surface machining precision is higher.

Hebei Jimeng Highstrength Flange-tubes Group Co.,Ltd.


HEBEI JIMENG HIGHSTRENGTH FLANG_TUBER GROUP CO.,LTD.a registered capital of 50.98 million yuan, covers an area of 135,000 square meters, is located in the "in Elbow Pipe Fittings capital" of the Mengcun Hui Autonomous County,specializing in the production of steel flanges,pipe fittings(wear-resistant,plastic-lined,anti-corrosion)series The backbone of enterprise products,is the production of flanges,pipe components,manufacturers of products,one of the earlier,the company has seized the quality of Measurement Center GB/T19001-2008 standards adopted by the State General Administration of Quality Supervision,Inspection and Quarantine of the pressure pipe Organization Accessories acceptance,issued a special permit equipment manufacturers. Sinopec is the country,in the oil,the Ministry of Electric Power,the classification societies,flange pipe Pieces of fixed-point production enterprise. Group consists of three branches.

JIMENG GROUP has completely productive system with automatic management,perfect sale service system and simple and fast business operating. We established scientific quality guarantee system and selling net covers all over the country. Our sales network spreads over the worldwide,so lots of products of our were used in the national key engineering,such as,Three Gorges Power Station,Yanshan Petrochemical and Yangzi Ethylene etc. They are also widely used in the fields of electric power,petrochemical industry,mpharmaceutical,boiler and shipbuilding. They were sold to Korea,Saudi Arabia,Iran,South East Asia and countries in Europe and America. They quality,function and price of products were satisfied and approved by customers in domestic and abroad.

Company with "the international market-oriented,science and technology as a leader,the pursuit of high-quality,in good faith for the user" as the business purpose,only Followed the end of "a thoroughly tempered quality improvement and development" business strategy. Growing economy in the world the ear of science and technology,human Only,capital,technology,markets,management constitute the lifeline of business. People-oriented,capital as a link,technology, Market as the guide,create a favo-rable external environment,to maximize employee talent and enthusiasm to the Group to maintain PengBo vitality up.We will be a strong confidence and morale in an invincible position. At this point, to give us help, cooperation, And support from all walks of life both at home and abroad thanks to loyal friends and colleagues of equality and mutual benefit with you wholeheartedly.

Company Info

  • Company Name: Hebei Jimeng Highstrength Flange-tubes Group Co.,Ltd.
  • Representative: Enfu Zhang
  • Product/Service: Carbon Steel Flanges , Butt Weld Elbows , Steel Tees , Steel Reducers , Steel Caps , Pipe Fittings
  • Capital (Million US $): 50,980,000RMB
  • Year Established: 1995
  • Total Annual Sales Volume (Million US $): US$10 Million - US$50 Million
  • Export Percentage: 61% - 70%
  • Total Annual Purchase Volume (Million US $): US$2.5 Million - US$5 Million
  • No. of Production Lines: 6
  • No. of R&D Staff: 41 -50 People
  • No. of QC Staff: 41 -50 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 5,000-10,000 square meters
  • Factory Location: North Circle Industrial Area of Mengcun County,Hebei Province,China
  • Contact Person: Mr. Xuefeng Zhang
  • Tel: 86-0317-2209363
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