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Flange Manufacturer Landee supplies Weld Neck Flange (WN), Long Welding Neck Flange (LWN), Lap Joint Flange (LJ), Blind Flange / Blank Flange (BL), Slip On Flange (SO), Thread Flange (THR), Socket Weld Flange (SW), Reducing Flange, Orifice Flange, Anchor Flange, Spectacle Blind Flange (Figue 8), Spacer Ring/Spade Flange etc…

Flange Standards:
ANSI/ASME Standard: ANSI B16.5, ANSI B16.47 Series A & B, MSS-SP-44, API 605, API6A in class 150 to 2500;
AWWA C207 flanges in Class B, Class D, Class E, Class F, Ring, Blind & Hub;
European DIN, UNI, EN 1092-1, BS 4504, ISO, NS, NFE29203 flanges in Pressure PN6 to PN100;
Japanese JIS B2220 & Korean KS B1503 flanges in pressure 5K to 40K;
Russian GOST 12820-80, GOST 12821-80, GOST 12815-80 in pressure PN0.6MPa to PN10MPa;
South African SABS 1123 / SANS 1123 in Class 600kPa to 4000kPa.

Flange Materials:
Carbon Steel: ASTM A105/A105N
              A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2
              A694 F42, F46, F48, F50, F52, F56, F60, F65, F70
             A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange)
             Steel RST37.2, C22.8
Stainless Steel: ASTM A182 F304/304L, F316/316L, F316H, F316TI, F310, F321;
Alloy Steel: ASTM A182 F1, F5, F9, F11, F22, F91
Duplex & Super Duplext Steel: ASTM A182 F51/UNS S31803, A182 F53/UNS S32750
                           ASTM A182 F55 / UNS S3260

Flange Face Type: Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Flange Norminal Diameter Range: 1/2” – 96”, DN15-DN2000

Normail Pressure Range: 150# - 2500# (PN6 – PN40)

Landee is a chinese total flow control: valves pipe, flange, pipe fittings manufacturer and supplier. Your Special Pipe Flanges and other Industrial Flange requirements are also available to inquire.

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Blind Flanges

Lap Joint Flanges

Orifice Flanges

Spacer Ring / Spade Flanges

Slip-on Flanges

Socket Weld Flanges

Threaded Flanges

Weld Neck Flanges

Other Flanges

Blind Flanges

A blind Flange is a flange which has no bore, and is used to close ends of piping systems. A blind flange also permits easy access to a line once it has been sealed. The blind flanges are sometimes machined to accept a pipe of the nominal Size to which reduction is being made. The reduction can be either threaded or welded.
Blind Flange manufacturer Landee supplies Blind Flanges, Industrial Blind Flanges, Blind Fittings in alloy steel, carbon steel, stainless steel, etc.

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Lap Joint Flanges

Lap Joint Flanges (LJ Flanges) are used on piping fitted with lapped pipe or with lap joint stub ends the combined initial cost of the two items being approximately one-third higher than that of comparable welding neck flanges. Their pressure-holding ability is little, if any, better than that of slip-on flanges and the fatigue life of the assembly is only one-tenth that of welding neck flanges. The lap joint flange with the stub end assembly are normally used in systems requiring frequent dismantling for inspection and cleaning and where the ability to swivel flanges and to align bolt holes materially eases the erection of large diameter or unusually stiff piping. These flanges are also used in applications where there is a need to facilitate bolt alignment. Their use at points where severe bending stress occurs should be avoided.

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Orifice Flanges

Orifice Flanges are used with orifice plate or flow nozzle for the purpose of measuring the flow rate of either liquids or gases in the respective pipeline. Orifice flanges generally come with either raised faces or RTJ (Ring Type Joint) facings. Pairs of pressure tappings are machined into the orifice flange, making separate orifice carriers or tappings in the pipe wall unnecessary.

Orifice Flange manufacturer Landee supplies Orifice Flanges, Plate Flanges, Orifice Plates Fittings in alloy steel, forged steel, ductile iron, Stainless Steel etc.

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Spacer Ring / Spade Flanges

In the oil and chemical process industries, a spade is a round piece of metal with a small tab that is placed in between two pipe flanges to give positive isolation from the centre; usually to prevent cross contamination between fluids or to allow work on the line.
Spacer Ring, Spade Flange, Special Flange manufacturer Landee supplies Spacer Rings Flanges, Spade Flanges, Special Flanges made in forged steel, Stainless Steel, alloy steel, etc.

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Slip-on Flanges

Slip on weld Flanges are slipped over the pipe and welded (usually both inside and outside) to provide strength and prevent leakage. Slip-on Flanges are at the low cost end of the scale, and do not require high accuracy when cutting the pipe to length. These SO Flanges can sometimes have a boss or hub, and can be made with a bore to suit either pipe or tube.

Slip-On Flange manufacturer Landee supplies Slip On Flanges, SO Flanges, Slip-On Flanges in forged steel, Stainless Steel, alloy steel, etc.

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Socket Weld Flanges

Socket Weld Flanges (SW Flanges) are similar to slip-on flanges in outline, but the bore is counter-bored to accept pipe. The diameter of the remaining bore is the same as the inside diameter of the pipe. The Socket Welding Flange is attached to the pipe by a fillet weld around the hub of the flange. An optional internal weld may be applied in high stress applications. The Socket Flanges' biggest use is in high pressure systems such as hydraulic and steam lines.

Socket Weld Flange / Fittings manufacturer Landee supplies Socket Welded Flanges, SW Flange, Socket welding Fittings, Socket Flanges in forged steel, Stainless Steel, alloy steel, etc.

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Threaded Flanges

Threaded Flanges are similar to slip-on flanges in outline, but the bore is threaded, thus enabling assembly without welding. This obviously limits its application to relatively low pressure piping systems. Threaded Flanges may be welded around the joint after assembly, but this is not considered a satisfactory method of increasing the flanges' pressure applications.

Threaded Flange manufacturer Landee supplies Threaded Flanges, Thread Fittings, Threaded Pipe Flanges in forged steel, Stainless Steel, alloy steel, etc.

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Weld Neck Flanges

Weld Neck Flanges are flanges that designed to be joined to a piping system by butt welding. the WN Flange is relatively expensive because of its long neck, but is preferred for high stress applications. The neck, or hub, transmits stresses to the pipe, reducing stress concentrations at the base of the Welding-Neck flanges. The gradual transition of thickness from the base of the hub to the wall thickness at the butt weld provides important reinforcement of the Weld Neck flange. The bore of the Weld-Neck flange matches the bore of the pipe, reducing turbulence and erosion.

Weld Neck Flange manufacturer Landee supplies Weld Neck Flanges, WN Flanges, Welding-Neck Fittings in carbon steel, Stainless Steel, alloy steel, etc.

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Other Flanges

Flange Manufacturer Landee Supplies Anchor Flanges, Plate Flanges, Flat Flanges and other Special Flanges for industrial and engineering applications.

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Product List

ASTM A105N Flangeolet, 2 x 3/4 Inch, 600 LB, ANSI B16.5

We Provide ASTM A105N Flangeolets, ASTM A105N Forged Steel Flangeolets, 2 Inch x 3/4 Inch, Class 600 LB, PN100, ANSI B16.5.

ASTM A182 F51 DSS Flange, 6 Inch, 1500 LB, SCH 120, RTJ

We Provide ASTM A182 F51 DSS Flanges, Forged Duplex Stainless Steel ASTM A182 F51 Flanges, 6 Inch, DN150, 1500 LB, PN250, SCH.120, ASME B16.5, RTJ End.

ASTM A182 F316 Nipoflange, 12 X 1/2 Inch, 150 LB, ASME B16.5

We Provide ASTM A182 F316 Nipoflanges, ASTM A182 F316 Stainless Steel Nipoflanges, 12 Inch X 1/2 Inch, SCH 140, SCH 160, ASME B16.5.

ASTM A182 F44 Welded Neck Flange, 3 Inch, 300 LB, ASME B16.5

We Provide ASTM A182 F44 Welded Neck Flanges, ASTM A182 F44 WN Flanges, 3 Inch, DN80, Class 300 LB, PN50, SCH 40S, ASME B16.5.

Forged ASTM A182 F304 / 304L Ring Flange, Customized

Forged ASTM A182 F304 / 304L Ring Flange Supplier: ASTM A182 F304, ASTM A182 304L Ring Flanges, Dimension according to the Client's Drawing.

ASTM A182 F316 Nipoflange, 12 x 1/2 IN, 1500 LB, ASME B16.5

We Provide ASTM A182 F316 Nipoflange Manufacturer: ASTM A182 F316 Nipoflanges, 12 Inch x 1/2 Inch, Sch 140 × Sch 160, Class 1500 LB, PN250, ASME B16.5, RF.

ISO 2531 / EN 545 Flange Adaptor, PN10, PN16, Ductile Iron

We Provide Quick Flange Adaptors, Quick Adaptors For PE, ISO 2531, EN 545, PN10, PN16, Ductile Iron with FBE Coating or Epoxy Painting, and Brass Gripping Teeth.

ASME SA182 F316L Flange, EN 1092-1, PN6, DN100, DN150, DN300

Get durable and high-quality EN1092-1 standard PN6 flanges made from SA182 F316L forged steel material. Available in popular sizes including DN100, DN150, and DN300, with options for both Type 01 and Type 05. Order now and ensure a reliable and secure connection for your piping system.

Carbon Steel C45 Hub Flange, AISI 1045, Customized Size

Looking for a reliable AISI 1045 hub flange manufacturer? Look no further than our non-standard flange made from high-quality carbon steel grade C45. We specialize in customized dimensions tailored to your specific drawing requirements, ensuring a perfect fit for your project. Trust us for superior quality, expert craftsmanship, and unbeatable value. Contact us today to learn more about our AISI 1045 hub flange and how we can meet your unique needs.

SS 316L Flat / Plate Flange, DN150, 6 Inch, 150 LB, PN16

Buy EN 1092-1 Standard Type 05/B1 Flat/Plate Flange made of SS 316L material. It has a flange class of PN16 and a size of DN150. Perfect for industrial applications. Order now!

Stainless Steel Plate / Flate Flange, DN15-DN1200, EN 1092

Discover a reliable Stainless Steel Plate and Flate Flange Supplier offering a wide range of options: ASTM A182, A240 F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, EN 1092-1, DIN, DN15-DN1200, PN16. Explore top-quality products for your industrial needs.

Stainless Steel Flanges, 1/2-60 Inch, 150-2500 LB

Explore a premium selection of SS flanges by a leading manufacturer. Our range includes forged, socket weld, butt weld, slip-on flat welded, blind, loose, threaded, and orifice flanges. Available in sizes ranging from 1/2 inch to 60 inches (DN15 to DN1500) to suit diverse applications. Our stainless steel flanges adhere to standards, with pressure ratings from 150 to 2500 LB (PN 16 - PN 420). Upgrade your piping systems with precision-engineered flanges.

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XIAMEN LANDEE INDUSTRIES CO., LTD.

~~Suite 2201 Huiteng Metropolis, No. 321 Jiahe Road, Xiamen 361012, P.R. China~~

Mr. Kevin Wang

Tel: 86-592-5204188

Fax: 86-592-5204189

Email: kevinwang@landee.cn

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