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Pressure–temperature ratings are maximum allowable working gage pressures in bar units at the temperatures in degrees Celsius shown in Tables 2-1.1 through  2-3.19 for the applicable material and class designation.  Tables II-2-1.1 through II-2-3.19 of Mandatory  Appendix II list pressure–temperature ratings using psi  units for pressure at the t emperature in degrees  Fahrenheit. For intermediate temperatures, linear interpolation is permitted. Interpolation between class designations is not permitted.  

Flanges Introduction:A flange is a approach of connecting pipes, valves, pumps and other gear to form a pipework system. It additionally provides handy access for cleaning, inspection or modification. Flanges are typically welded or crewed into such systems and then joined with bolts.Product Specification:1. Standard:BS4504 2. Type:Plate flange, Threaded, Irrigation,Blind, Lap Joint flange. Type3. Pressure Class:PN6;PN10; PN16; PN25; PN40; 4. Dimension:DN10-20005.

A flange is a method of connecting pipes, valves, pumps and other equipment to form a pipework system. It also provides easy access for cleaning, inspection or modification. Flanges are usually welded or crewed into such systems and then joined with bolts.Product Specification:1. Standard:GOST 12820- 80  GOST 12821- 80 2. Type:Plate flange, Threaded, Irrigation,Blind, Lap Joint flange. Type3. Pressure Class:PN6;PN10; PN16; PN25; PN40; 4. Dimension:DN10-20005. Surface Treament:Anti-rust oil; Yellow paint; Black paint;Hot dip Galavnised; Zinc.6.

The p/T ratings of this standard have been reduced in many cases by either limiting the lowertemperature ratings which can no longer exceed the PN value, or by increasing the rate at which allowable pressures shall reduce with increase in temperature;2) in addition to the range of PN 2,5 to PN 40 DIN origin flanges contained in the ISO standard, EN 1092-1 also includes flanges up to PN 400.1. Standard:BS4504 2. Type:Plate flange, Threaded, Irrigation,Blind, Lap Joint flange. Type3. Pressure Class:PN6;PN10; PN16; PN25; PN40; 4. Dimension:DN10-20005.

Flanges Introduction:A flange is a method of connecting pipes, valves, pumps and other equipment to form a pipework system. It also provides easy access for cleaning, inspection or modification. Flanges are usually welded or crewed into such systems and then joined with bolts.Product Specification:1. Standard:EN1092-1 2. Type:Type 01 ;Type 02; Type 05; Type11; Type12; Type133. Pressure Class:PN6;PN10; PN16; PN25; PN40; 4. Dimension:DN10-20005. Surface Treament:Anti-rust oil; Yellow paint; Black paint;Hot dip Galavnised; Zinc.6. Raw Material:RST 37.2; P245GH ; S235JR7.

Flanges Introduction:A flange is a method of connecting pipes, valves, pumps and other equipment to form a pipework system. It also provides easy access for cleaning, inspection or modification. Flanges are usually welded or crewed into such systems and then joined with bolts.Product Specification:1. Standard:DIN2502,DIN2503,DIN2527,DIN2566.DIN2573,DIN2576; DIN2633 ; DIN2632; DIN2631;DIN25662. Type:Plate flange, Threaded, Irrigation,Blind, Lap Joint flange.3. Pressure Class:PN6;PN10; PN16; PN25; PN40; 4. Dimension:DN10-20005.

Another layer of carbon steel flange means: according to the size and tolerance range required by the national standard production of flanges, different from the flange pieces not produced according to the standard size is also called two standard flanges (some people call non-standard flanges are incorrect), usually some unscrupulous merchants will reduce the thickness of the flange, the outer diameter of the two dimensions to achieve the purpose of saving materials, and the use of scrap steel or scrap steel1. Standard:EN1092-1 2. Type:Type 01 ;Type 02; Type 05; Type11; Type12; Type133.

     Carbon steel flange, that is, a flange plate or end flange connection made of carbon steel. It contains a flange made of carbon steel, called a carbon steel flange. Common materials are cast carbon steel grade WCB, forgings A105, or Q235B, A3, 10#, #20steel, 16 manganese, 45 steel, Q345B, etc.Usually to prevent rust flange surface has an electroplating layer (yellow zinc, white zinc, etc.), or brush antirust oil and spray antirust paint.Chinese national standard for carbon steel flange GB/T9119-2010 marine standard CB M1001-81 thermal power standard D-GD87-1101 1.

The thread is also called British Standard Whitworth (BSW) and British Standard Fine (BSF)in Great Britain and British standard pipe thread (BSP-BSPT). 1. Standard:DIN2502,DIN2503,DIN2527,DIN2566.DIN2573,DIN2576; DIN2633 ; DIN2632; DIN2631;DIN25662. Type:Plate flange, Threaded, Irrigation,Blind, Lap Joint flange.3. Pressure Class:PN6;PN10; PN16; PN25; PN40; 4. Dimension:DN10-20005. Surface Treament:Anti-rust oil; Yellow paint; Black paint;Hot dip Galavnised; Zinc.6. Raw Material:RST 37.2; P245GH ; S235JR7. PackingWooden Case, Pallet.8. Payment:L/C, T/T, Western Union, PayPal9.

It should be noted that this standard does not cover all flange sizes covered by the above DIN Standards.For flange dimensions not specified here, refer to DIN 2501-1. 1. Standard:EN1092-1 2. Type:Type 01 ;Type 02; Type 05; Type11; Type12; Type133. Pressure Class:PN6;PN10; PN16; PN25; PN40; 4. Dimension:DN10-20005. Surface Treament:Anti-rust oil; Yellow paint; Black paint;Hot dip Galavnised; Zinc.6. Raw Material:RST 37.2; P245GH ; S235JR7. PackingWooden Case, Pallet.8. Payment:L/C, T/T, Western Union, PayPal9. Delivery time:30 ~60 days after confirm the order1.

Face finish: The finish on the face of flange is measured as an Arithmetical Average Roughness Height(AARH). The finish is determined by the standard used. For example, ANSI B16.5 specifies face finishes within a range 125AARH-500AARH(3.2Ra to 12.5Ra). Other finishes are available on requst, for example 1.6 Ra max,1.6/3.2 Ra, 3.2/6.3Ra or 6.3/12.5Ra. The range 3.2/6.3Ra is most common.Product Specification: 1. Standard:ASME B16.5; ASME B 16.47 Series A(MSS SP-44); ASME B 16.47 Series BAWWA C2072. Type:Plate flange, Slip on ,Threaded, Irrigation,Blind, Lap Joint flange.3.

Rat ings for welding neck flanges covered by this Standard are based upon their hubs at the welding endhaving thickness at least equal to that calculated for pipe having 276 MPa (40,000 psi) specified minimum yieldstrength.1 In order to ensure adequate flange hub thick ness for flange sizes NPS 2 and larger, the bore of awelding neck flange, dimension B in the various dimen sional t ables, shall not exceed Bmax det ermined asfollows: 1. Standard:DIN2502,DIN2503,DIN2527,DIN2566.DIN2573,DIN2576; DIN2633 ; DIN2632; DIN2631;DIN25662.

In addition to the range of PN 2,5 to PN 40 DIN origin flanges contained in the ISO standard, EN 1092-1 also includes flanges up to PN 400. 1. Standard:BS4504 2. Type:Plate flange, Threaded, Irrigation,Blind, Lap Joint flange. Type3. Pressure Class:PN6;PN10; PN16; PN25; PN40; 4. Dimension:DN10-20005. Surface Treament:Anti-rust oil; Yellow paint; Black paint;Hot dip Galavnised; Zinc.6. Raw Material:RST 37.2; P245GH ; S235JR7. PackingWooden Case, Pallet.8. Payment:L/C, T/T, Western Union, PayPal9. Delivery time:30 ~60 days after confirm the order

In addition to the range of PN 2,5 to PN 40 DIN origin flanges contained in the ISO standard, EN 1092-1 alsoincludes flanges up to PN 400. 1. Standard:BS4504 2. Type:Plate flange, Threaded, Irrigation,Blind, Lap Joint flange. Type3. Pressure Class:PN6;PN10; PN16; PN25; PN40; 4. Dimension:DN10-20005. Surface Treament:Anti-rust oil; Yellow paint; Black paint;Hot dip Galavnised; Zinc.6. Raw Material:RST 37.2; P245GH ; S235JR7. PackingWooden Case, Pallet.8. Payment:L/C, T/T, Western Union, PayPal9. Delivery time:30 ~60 days after confirm the order1. Standard:BS4504 2.

Face finish: The finish on the face of flange is measured as an Arithmetical Average Roughness Height(AARH). The finish is determined by the standard used. For example, ANSI B16.5 specifies face finishes within a range 125AARH-500AARH(3.2Ra to 12.5Ra). Other finishes are available on requst, for example 1.6 Ra max,1.6/3.2 Ra, 3.2/6.3Ra or 6.3/12.5Ra. The range 3.2/6.3Ra is most common.1. Standard:JIS B2220 2. Type:SOP; SOH3. Pressure Class:5k;10k;16k;40k4. Dimension:DN10-20005. Surface Treament:Anti-rust oil; Yellow paint; Black paint;Hot dip Galavnised; Zinc.6. Raw Material:SS4007.

  The pressure marking specified in this standard is divided into PN marking and Class marking.PN marking has 12 pressure ratingsThey are: PN2.5; PN6; PN10; PN16; PN25; PN40; PN63; PN100; PN160; PN250; PN320; PN4001. Standard:ASME B16.5; ASME B 16.47 Series A(MSS SP-44); ASME B 16.47 Series BAWWA C2072. Type:Plate flange, Slip on ,Threaded, Irrigation,Blind, Lap Joint flange.3. Pressure Class:Class 150; Class 300;Class 400;Class 600;Class 900;Class 1500;Class 25004. Size1/2"-48"5. Surface Treament:Anti-rust oil; Yellow paint; Black paint;Hot dip Galavnised; Zinc.6.

Model NO.1/2"--72"Manufacturing WayForgingPressureClass150 / Class300 / Class600 /Class900CertificationISO / CESurface TreatmentAnti-Rusting Oil / Black PaintingPackingPlywood Cases or PalletsQualityStrict Quality Control SystemSampleMOQ5 PCSManufacturer or NotManufacturerDelivery Time15-25days Depenging on The Order QuantityApllicationWater / Gas / OilCustomized ServiceCustomized Product Can Be MadeExport ExperienceOver 15year Exporting ExperienceShippingby Sea / by Air / by TrainRaw MaterialA105 Transport PackagePlywood Case or PalletsSpecification1/2"-72"TrademarkDZ

We have more than 15 years’s experiences on production and export of all kinds of plate flange,flat flange,slip on flange, welding neck flange,long welding neck flange,blind flange,socket welding flange,threaded flange, screwed flange, lap joint flange. Company produces carbon steel flanges according to the strandard of ANSI/ASME,DIN,JIS,BS,GB,SH. We can also produce Non-standard flanges as per the drawings and samples provided by customers. At present we have acquired ISO9001:20001. Standard:GOST 12820- 80  GOST 12821- 80 2.

Flange plate designs are uniform in any given size regardless of materials used to create them. This allows a 6-inch (15 cm) black pipe flange to mate perfectly with a 6-inch stainless steel flange. The flange plates will have a serrated finish on the inside mating surface, which allows the plate to seat into the gasket material. This ensures a perfect seal between two joining pipes.1. Standard:JIS B2220 2. Type:SOP; SOH3. Pressure Class:5k;10k;16k;40k4. Dimension:DN10-20005. Surface Treament:Anti-rust oil; Yellow paint; Black paint;Hot dip Galavnised; Zinc.6. Raw Material:SS4007.

When building a pipeline, the length of the pipes used are not always known. By manufacturing the pipe separate from the flange plate, the welders can cut the pipe to length and weld a flange plate in place to join the pipes at any needed length. The plates can also be welded to the pipe on a slight bias, allowing two pipes to be joined that may not be precisely lined up.1. Standard:ASME B16.5; ASME B 16.47 Series A(MSS SP-44); ASME B 16.47 Series BAWWA C2072. Type:Plate flange, Slip on ,Threaded, Irrigation,Blind, Lap Joint flange.3.

A: We control the quality since Material arrive, we have workshop QC responsible for each producting line to check the product dimensions and other details during one by one producing process, inspection QC do spot check for each batch in everyday and package workers do 100% product appearance inspection one by one when they package the parts into the carton. 1. Standard:JIS B2220 2. Type:SOP; SOH3. Pressure Class:5k;10k;16k;40k4. Dimension:DN10-20005. Surface Treament:Anti-rust oil; Yellow paint; Black paint;Hot dip Galavnised; Zinc.6. Raw Material:SS4007.

1. Each flange or pipe fittings is wiped after ultrasonic cleaning.2. Each flange or pipe fittings is individually packaged with bubble protective film and placed in a wooden box.3. All products are packed in plywood boxes. For larger size flanges, packed in plywood pallets. Or you can customize the packaging by yourself.4. Shipping marks can be made as required5. Product label can be engraved or printed.

Flange types:Weld NeckThis flange is circumferntially welded into the system at its neck which means that the integrity of the butt welded area can be easily examined by radiography. The bores of both pipe and flange match, which reduces turbulence and erosion inside the pipeline. The weld neck is therefore favoured in critical applications.Slip OnThis flange is slipped over the pipe and then fillet welded. Slip-on flanges are easy to use in fabricated applications.BlindThis flange is used to blank off pipelines, valves and pumps, it can also be used as an inspection cover.

Used for the connection between the tube end  in chemical, construction, water supply, drainage, oil and gas, light and heavy industrial, refrigeration, sanitation, plumbing, fire protection, electrical, aerospace, shipbuilding and other infrastructure projects