MSI
THE MOST TRUSTED NAME IN FITTINGS

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MALLEABLE IRON FITTINGS

  • Manufacturing Facility is ISO9001:2000

  • Fittings Pressure Tested & Straightness Tested

  • Dimensions Conform to ASME B16.3

  • Material Conforms to ASTM A197

  • Threads Conform to ASME B1.20.1

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FORGED STEEL FITTINGS

  • Manufactured in ISO9000:2000 Facility

  • Dimensions Conform to ASME B16.11

  • Threaded Items Conform to ASME B1.20.1

  • Manufactured from ASTM A105 Material

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CARBON STEEL NIPPLES

  • Manufacturing Facility is ISO9001:2000

  • Welded Steel Pipe Conform to ASTM A53

  • Threads Conform to ASME B1.20.1

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MERCHANT STEEL FITTINGS

  • Manufacturing Facility is ISO9001:2000

  • Welded Steel Pipe Conform to ASTM A53

  • Threads Conform to ASME B1.20.1

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STEEL BUTT-WELD FITTINGS

BRONZE & LEAD-FREE BRONZE FITTINGS

  • Dimensions Conform to ASME B16.9

  • Material Conforms to ASTM A234 Grade B

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  • Threads conform to ASME B1.20.1

  • Dimensions Conform to ASME/ANSI B16.15

  • Standard Bronze Material Conforms to ASTM B62
    (UNS C883600)

  • Lead Free Bronze Material Conforms to ASTM B584
    (UNS C89833)

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STAINLESS STEEL FITTINGS STANDARD & MSS PATTERN

STAINLESS STEEL NIPPLES

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MERCHANT STEEL COUPLINGS

  • 1/8" – 2" Straight Tapped (NPSC) 2.5" – 6" (NPT)

  • Merchant Steel Couplings Stocked from 1/8"- 6"

  • Threads Conform to ASME B1.20.1

  • Merchant Steel Couplings Conform to ASTM A865

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CARBON STEEL ANSI FLANGES

  • Forged Steel Flanges Stocked from 1/2"- 12"

  • Dimensions Conform to ANSI B1.16.5

  • Material Conforms to ASTM A105

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BRASS NIPPLES

  • Material Conforms to ASTM B687-88

  • Threads Conform to ASME B1.20.1

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STAINLESS STEEL FORGED FITTINGS

  • Manufactured in ISO9000:2000 Facility

  • Items Conform to AISI 304/316

  • Investment Cast

  • SP114 Stainless Fittings Available Upon Request

  • Manufacturing Facility is ISO9001:2000

  • Stainless Pipe Conforms to ASTM A312/SA312

  • Threads Conform to ASME B1.20.1

  • Manufactured in ISO9000:2000 Facility

  • Manufactured to ASTM/ASME A182/SA182

  • Threaded Items Conform to ANSI B1.20.1

  • All Stainless Forged Fittings are Mercury Free

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STAINLESS STEEL BUTT-WELD FITTINGS

FORGED STAINLESS STEEL ANSI FLANGES

ALUMINUM FITTINGS

  • Manufactured to ASTM A403 & ASME SA40

  • Wall Thicknesses Conform to ANSI B36.10/B3.19

  • Dimensions Conform to ANSI B16.9/B16.28

  • Material Conforms to A312

  • Manufactured in ISO9000:2000 Facility

  • Items Manufactured to ASTM/ASME A182/SA182

  • Threaded Flanges Conform to ANSI B1.20.1

  • Most Material is Cast Aluminum Alloy Type 356

  • Some Items Manufactured with Aluminum 6061T6

  • Dimensions Conform to ASME B16.3

  • Material Conforms to ASTM A197

  • Threads Conform to ASME B1.20.1

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ALUMINUM NIPPLES

VALVES

  • Material Conforms to ASTM B241

  • Threads Conform to ASME B1.20.1

  • Brass / Bronze / Stainless / Iron Valves

  • Sizes 1/8" – 6" Readily Available