Main Products
here are the main products of KOREA FITTING CO., LTD.
From standard to non-standard,
everything in flanges
Centered on KS B1506 certified stainless steel welded flanges, we produce ANSI, JIS, DIN, AWWA, MSS and API standard products and special flanges made to customer drawings.
Main Business Areas
Forged Flanges
High-strength flanges precision-machined from A105, A182 F304/L·316/L and alloy steel forgings
Plate Flanges
KS B1506 plate-type stainless steel welded flanges, JIS·KS·AWWA plate flanges
Large-diameter & Special Flanges
Large products such as ASME B16.47 Series A·B, Long Welding Neck and Tower Flange
Nozzles & Orifice
Reinforced Nozzle, high-temperature / high-pressure Nozzle Flange and Orifice Flange fabrication
Our Products
Click a hashtag card to find related products in the Product Gallery.
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#WeldingNeck Welding Neck FlangeButt-welded to the pipe through a long tapered hub. The most widely used flange for high-temperature, high-pressure and cyclic-load piping.
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#SlipOn Slip-on FlangeSlipped over the pipe and fillet-welded inside and out. Easy to align and install, widely used in general piping.
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#Threaded Threaded FlangeJoined to the pipe by threads and installed without welding. Suitable for small-bore piping at sites where welding is difficult.
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#Blind Blind FlangeA closure flange that seals the end of a pipe or a pressure vessel opening; also used as an inspection port.
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#LapJoint Lap-joint FlangeUsed with a stub end; bolt holes are easy to align, which suits piping that is disassembled often.
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#SocketWelding Socket-Welding FlangeThe pipe is inserted into the socket and fillet-welded. Mainly used for small-bore high-pressure piping.
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#LargeDiameter ASME B16.47 Series A·BLarge-diameter flanges for plant piping, supporting Series A (MSS SP-44) and Series B (API 605) standards.
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#KS·JIS JIS & KS FlangesKS B1503 / JIS B2220 5K–30K flanges. We also produce KS B1506 certified stainless steel welded flanges.
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#LongWeldingNeck Long Welding NeckAn extended-neck type used for nozzle connections of pressure vessels and heat exchangers.
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#AWWA AWWA FlangesAWWA standard plate flanges for water supply, sewage and water treatment piping.
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#ReinforcedNozzle Reinforced NozzleAn integral nozzle that reinforces openings in pressure vessels, forged and machined to drawing.
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#HighTempPressureNozzle Nozzle Flange for Heat PressureForged nozzle flanges used in high-temperature, high-pressure equipment.
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#TowerFlange Tower FlangeLarge ring flanges connecting tower and column structures, precision-machined by CNC turning.
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#Orifice Orifice FlangeA flange that holds an orifice plate to measure flow rate; pressure tap holes are machined together.
Production Range by Standard
| Standard | Pressure Class | Size | Data Table |
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| KS B 1503 / JIS B 2220KS B1506 certified stainless steel welded type | 5K · 10K · 16K · 20K · 30K | 10A ~ 1500A | View |
| DINSlip-on · Blind · Welding Neck | PN 6 · 10 · 16 · 25 · 40 | DN 10 ~ 1000 | View |
| ASME B16.5Forged Flanges | Class 150 ~ 2500 | 1/2" ~ 24" | View |
| ASME B16.47 · MSS SP-44 · API · AWWALarge diameter · Special standards | Per order spec | Per drawing | Inquire |
Available sizes differ by pressure class. Please check the exact range for each class in the data table.
Main Materials
Just send us your drawing or specification.
We quote quickly after review, for standard and non-standard products alike.