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Piping, Fittings, Flanges, Valves

Full range of piping products in carbon, stainless, and alloy are available as stock are by custom fabrication including pipe, valves, fittings (elbows, tees, reducers, caps, etc.), flanges, tubing, gaskets, fasteners, supports, nipples, strainers, and a wide range of other industrial piping products and accessories used in the oil and gas industry.

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SGI offers a wide range of pipeline equipment, systems, tools, accessories and other pipeline products for onshore and offshore applications including products for subsea pipeline systems, gathering systems, oil and gas transmission pipelines, marine pipelines and process plants, among others.  The SGI product range includes fabricated skid packages, custom fabrication, filter separators, cartridge filters, strainers, quick opening closures, pig traps, automatic pig triggers, infield piping repairs, corrosion protection and many other pipeline products and technologies.

Fittings Are Available in All Materials and with All Specifications and Standards

SGI supplies its piping in all materials and different standards for its pipe fittings like elbows, adapters, tees, flanges, etc. Some popular fabricated materials and specifications for pipe fittings are as follows:

  • Nickel and Nickel Alloys: ASTM B-366, ASME SB-366, Nickel 200 & 201 (WPN & WPNL), Inconel 600 (WPNCI), Incoloy 800(WPNIC), Incoloy 825 (WPNICMC), Monel 400 (WPNC), Alloy 20 (WP 20 CB), Hastelloy, C-276, C-4, C-22, etc.

  • Stainless Steel: ASTM A-403 and ASME SA-403, 304, 304L, 304H, 304N, 304LN, 316, 316N, 316LN, 309, 310, 317L, 321, 321H, 347, etc.

  • Chrome-molybdenum: ASTM A-234 & ASME SA-234,WP-5, WP-11, WP-9, WP-91, WP-22 etc.

  • Aluminum: ASTM B-361, 5083, 66061, 5086

  • Titanium: ASTM B-363 & ASME SB-363, WPT7, WPT12, WPT2

  • Other Materials:

    • Brass

    • Bronze

    • CPVC

    • EPDM

    • Fiberglass / Composite

    • Iron (Gray / Cast/ Ductile)

    • Elastomer

    • Neoprene

    • Nylon

    • Polyamide

    • Polyethylene (PE)

    • Polypropylene (PP)

    • PTFE

    • PVC (Polyvinyl Chloride)

Available Fitting Types

Special Fittings having non-standard dimensions, threads or counterbores can be provided on request.


Our fittings are specifically designed for use on process and control systems, instrumentation, and equipment used in chemical, petroleum, fluid power, electronic and other industrial facilities.  Pipe elbows are available in high pressure, temperature & corrosion resistant types, in standard duty & heavy including 45° Elbows, 90° Elbows, Male Elbows & Female Elbows, Reducing Elbows, Side Outlet Elbows, Street Elbows as well as return bends (180) and other fittings.  Elbows can be provided in those fitting materials and fabricated to standards and specifications as previously noted.

Duplex Steel Elbows are also available for use in highly acidic and harsh environments.  These fittings are widely used in the petrochemical, oil & gas, petroleum and power generation industries.

Pipe elbows are usually constructed at a bend of 45 degree or 90 degree; however, we can also manufacture pipe elbows with a selectable angle. Whether you need a 1/4, 1/8, 1/16 bend or any bend in between, there are all options available in elbows.


We offer Tee Fittings and Cross Fittings in a wide range of dimensions. Our Tee and Cross fittings are professionally engineered using the latest technology.

Pipe Reducers


We offer quality pipe reducers made of steel and other alloys available in concentric and eccentric types. The pipe reducers are suitable components in pipelines that reduce pipe size from large to small bores. The inlet and outlet ends of the steel pipe reducers and alloy pipe reducers align to a common center line.


SGI supplies a complete line of API flanges/loose connectors to API 6A, including weld necks, blinds, threaded, test, and companion flanges. We provide custom API flanges and custom fittings to meet the specifications of your project no matter the size or scope. Special material and all sizes & specifications of steel and alloy pipe flanges are available including AWWA, ANSI, ASME, CL 125 Lightweight, Large Industry Standard, pressure flanges and many more standard and custom made flanges including:

  • Weld Neck

  • Butt Weld

  • Socket Weld

  • Ring/Spacer

  • Counter Bore

  • Slip On

  • Reducer

  • Blind

  • Hub/Collar

  • Lap Joint

  • Threaded

  • Paddle Blind

  • DIN

  • Blank

  • Spectacle Blind

Pipe Supports

Economy pipe supports, heavy duty supports


Valves can be provided in materials and fabricated to standards and specifications as previously noted for pressure ratings ANSI Class: 150 thru 2500 and PSI/WOG: 200 thru 6000


Valve Types available

  • Cast and Forged Gate

  • Cast and Forged Globe

  • Needle Globe

  • Cast and Forged Swing Check

  • Lift Check

  • Ball Check

  • Wafer Check

  • Inline Check

  • Cast and Forged One Piece Ball, Two Piece Ball, Three Piece Ball

  • Fire Safe Ball

  • Standard/Full Port Ball

  • Seal Welded Ball

  • Floaters

  • Trunnion

  • Cast and Forged Y-Strainers

  • Cast Knife Gate Valves

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