Industrial Flanges

Flanges, line blanks and rings to ASME, EN, DIN and JIS standards — 18 product types from 1/2" to 48", Class 150 to 2500, in carbon, alloy, stainless, duplex and nickel alloy steels.

Pipe Flanges

Weld-on, threaded and loose flanges for bolted, serviceable joints across process and utility piping.

13 products

FL-01

Weld Neck Flange

Tapered hub butt-welded to the pipe for high-pressure, high-temperature service.

Butt Weld

FL-02

Long Weld Neck Flange

Extended neck for vessel and column nozzles.

Butt Weld

FL-03

Slip-On Flange

Slides over the pipe and is fillet-welded inside and out.

Fillet Weld

FL-04

Socket Weld Flange

Socketed bore for small-bore, high-pressure lines.

Socket Weld

FL-05

Blind Flange

Solid plate that closes the end of a line, valve or vessel opening.

Bolted

FL-06

Threaded Flange

Screws onto the pipe where welding is not allowed.

Threaded

FL-07

Lap Joint Flange

Loose flange used with a stub end for easy bolt-hole alignment.

With Stub End

FL-08

Plate Flange

Flat plate flange for low-pressure utility lines.

Fillet Weld

FL-09

Reducing Flange

Connects a smaller pipe directly to a larger flange size.

Butt Weld · Slip-On · Threaded

FL-10

Orifice Flange

Weld neck flange pair with pressure taps for flow measurement.

Butt Weld · Slip-On

FL-11

Anchor Flange

Restrains pipe movement at fixed points in long runs.

Butt Weld

FL-12

Swivel Flange

Rotating ring for quick bolt-hole alignment offshore and subsea.

Butt Weld

FL-13

Girth Flange

Large-diameter body flange for vessels and heat exchangers.

Butt Weld

Line Blanks & Rings

Blinds, spacers, orifice plates and bleed rings fitted between flanges for isolation, metering and venting.

5 products

FR-01

Spectacle Blind

Figure-8 blank that swings between open and isolated positions.

Between Flanges

FR-02

Paddle Blind

Solid paddle for positive isolation of a line.

Between Flanges

FR-03

Spacer Ring

Open ring paired with a paddle blind to keep the line gap.

Between Flanges

FR-04

Orifice Plate

Precision bore plate for differential-pressure flow metering.

Between Flanges

FR-05

Bleed Ring

Ring with tapped ports for venting, draining or instrument tapping.

Between Flanges

Specifications

Standards: ASME B16.5ASME B16.47 Series A & BEN 1092-1DIN 2527 / 2543–2545 / 2565–2569JIS B2220BS 4504 / BS 10API 6A
Size Range: 1/2" to 48"DN10 to DN4000
Pressure Class: ASME 150# to 2500#PN6 to PN100
Facing: RFFFRTJTongue & GrooveMale & Female
Face Finish: Stock FinishSpiral SerratedConcentric SerratedSmooth (Ra 3.2–6.3 µm)

Material Grades

Carbon Steel: ASTM A105 / A105NA266A350 LF2A694 F52 / F60 / F65
Alloy Steel: A182 F5F9F11F22F91
Stainless Steel: A182 F304 / 304L / 304HF316 / 316LF321
Duplex & Super Duplex: S31803S32750 (2507)
Nickel Alloys: Hastelloy C22 / C276Inconel 600 / 625Incoloy 800 / 825 / 925Monel 400 / K-500
Copper Nickel & Titanium: CuNi 90/10CuNi 70/30Titanium Grade 2

Need a size, grade or class not listed?

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