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Pipe Fittings1www.swagelok.com 1/16 to 1 in. sizes NPT, ISO/BSP, and SAE threads 316 stainless steel, carbon steel, brass, 6-Moly, Alloy 625, Alloy 825, and Alloy 2507PIPEFITTINGSP ip e F itti n gs

2Weld, VCR, VCO, Pipe, and Vacuum FittingsContentsNipplesPage 5CrossesOrdering InformationPage 21Add a material designator to the basic ordering number.PIPEFITTINGSExample: SS-2-CNAdapters, AdapterGaskets, GaugeAdapter, ReducingAdaptersPage 8Union BallJointsPage 21MaterialDesignator316 stainless steelSSCarbon steelSBrassB6-Moly6MoAlloy 625625Alloy 825825Alloy 25072507 Heavy-wall fittings are available only in 316 stainless steel.The basic ordering numbers for these fittings include thematerial designator.Reducing Bushings,ReducersPage 14 Minimum order quantities may apply to certain materialsPipe CapsPage 22and configurations. Contact your authorized Swagelok sales and servicerepresentative for information about additional sizes andspecial alloys.CouplingsMaterialsPage 15Pipe PlugsPage 22Material StandardsMaterial➅316 stainlesssteelElbowsTeesPage 17Page 19HollowHex PlugsHexHead PlugsPage 22Bar Stock➀ASTM A276, ASMESA479, EN 1.4401Forgings➁ASTM A182, ASME SA182,EN 1.4401Carbon steelASTM A108—BrassASME B16, ASTM B453ASTM B2836-MolyASTM A479ASTM A182Alloy 625ASTM B446➂ASTM B564, ASME SB564➃Alloy 825ASTM B425ASTM B564, ASME SB564Alloy 2507➄ASTM A479ASTM A182➀ Straight fittings and tube adapters.➁ Elbows, crosses, and tees.➂ All straight fittings and tube adapters and 1/4 and 3/8 in.; 6 and 10 mmPage 23elbows, crosses, and tees.➃ Elbows, crosses, and tees larger than 3/8 in. and 10 mm.➄ Refer to Gaugeable Alloy 2507 Super Duplex Tube Fittings catalog, MS-01-174.➅ Refer to Gaugeable Tube Fittings and Adapter Fittings catalog, MS-01-140or contact your authorized Swagelok representative for materials not listed.Plating and CoatingTo resist corrosion, all carbon steel fittings are treated with anelectrodeposited zinc plating.Pipe Thread SealantsAlways use a pipe thread sealantwhen assembling taperedthreads. SWAK anaerobic pipethread sealant, PTFE-FREE pipethread sealant, and Swagelok PTFE Tape are available.Refer to Leak Detectors,Lubricants, and Sealantscatalog, MS‑01‑91, foradditional information.Dimensions Dimensions are for reference only and are subject to change. E dimensions refer to the minimum opening.CleaningComponents are cleaned to remove oil, grease, and looseparticles. Refer to Standard Cleaning and Packaging (SC-10)catalog, MS-06-62, for additional information.

Pipe FittingsTemperature RatingsFeaturesSystem temperatures may be limited by the thread sealantor, when applicable, the gasket or O-ring material. All fittings have a high-quality appearance.3 Every fitting is marked with manufacturer’s name foreasy source tracing.Fitting Materials Male threads are capped for protection.316 stainless steel1000 (537)Carbon steel375 (190)Brass400 (204)6-Moly600 (315)Alloy 6251000 (537)Alloy 825800 (426)Alloy 2507482 (250)Straight fittings are manufactured fromquality bar stock for strength.Gasket, O-Ring MaterialsMaterialMaximumTemperature F ( C)MinimumTemperature F ( C)Buna N230 (110)–13 (–25)FluorocarbonFKM400 (204)5 (–15)RG, RP gasketsCopper400 (204)–325 (–198)SAE O-ringsFluorocarbonFKM400 (204)–20 (–28)ComponentRS gasketsBurr-freeinternal surfaces.NPT threads are basedon requirements ofASME B1.20.1 andSAE AS71051.Shaped fittings aremanufactured from forgings.Marking identifiesmaterial, heatcode for materialtraceability, and ISOend connection.Smooth threadflanks provideoptimum sealingand minimize galling.Angles on elbows, tees,and crosses are rigidlycontrolled for accuratepiping layout.PIPEFITTINGSMaterialMaximum Temperature F ( C)

4Weld, VCR, VCO, Pipe, and Vacuum FittingsPIPEFITTINGSPressure Rating Basis and Thread SpecificationsThread Type (End Connection)Pressure Rating BasisThread TypeReference SpecificationNPTASME B31.3, Process Piping or pressure testing with a 4:1design factor based on hydraulic fluid. leakage.NPTASME B1.20.1,SAE AS71051ISO/BSP (tapered)(Swagelok RT fittings)ASME B31.3, Process Piping or pressure testing with a 4:1design factor based on hydraulic fluid. leakage.ISO/BSP (tapered)Swagelok RT fittingsISO 7, BS EN 10226-1,JIS B0203ISO/BSP (parallel)(Swagelok RS fittings)ISO 1179-3, ISO 228-1 Threads with Light-Duty Stud Endswith Sealing by O-ring with Retaining Ring (types G andH) or pressure testing with a 4:1 design factor based onhydraulic fluid leakage.ISO/BSP (parallel)Swagelok RP and RSfittingsISO 228, JIS B0202ISO/BSP (parallel)(Swagelok RP fittings)ISO 1179-4, ISO 228-1 Threads with Stud Ends for general use ISO/BSP (parallel)only with metal-to-metal sealing (type B) or pressure testing Swagelok RP and RSwith a 4:1 design factor based on hydraulic fluid leakage.fittingsISO 228,JIS B0202ISO/BSP (gauge)(Based on EN 837-1 and 837-3)(Swagelok RG and RJ fittings)ISO/BSP (parallel)ASME B31.3, Process Piping or pressure testing with a 4:1Swagelok RG and RJdesign factor based on hydraulic fluid. leakage.fittingsISO 228,JIS B0202SAE–Light Duty(Swagelok ST fittings)SAE J1926/3, Connections for General Use and FluidPower-Ports and Stud Ends with ASME B1.1 Threads andUnified Inch ScrewO-ring Sealing-Part 3: Light-Duty (L-Series) Stud Ends orThreadspressure testing with a 4:1 design factor based on hydraulic Swagelok ST fittingsfluid leakage.ASME B1.1SAE–Heavy Duty(Swagelok STH fittings)SAE J1926/2, Connections for General Use and FluidPower-Ports and Stud Ends with ASME B1.1 Threads andO-ring Sealing-Part 2: Heavy-Duty (S-Series) or pressuretesting with a 4:1 design factor based on hydraulic fluidleakage.Unified Inch ScrewThreads Swagelok STfittingsASME B1.1Swagelok AN fittingsSAE J514, Hydraulic Tube Fittings or pressure testing with a4:1 design factor based on hydraulic fluid leakage.Unified Inch ScrewThreadsSwagelok AN fittingsASME B1.1 UNJ,SAE AS 8879Ratings are based on ASME Code for Pressure Piping B31.3, Process Piping, at ambient temperature. To determine pressure ratings in accordance with B31.1, Power Piping: Carbon steel material—multiply by 0.85.All other material ratings remain the same.

Pipe Fittings5Close NipplesEAAE316 SS,Carbon SteelBrassPressure Ratings,psig (bar)Alloy 2507,Alloy 625-2-CN0.75 (19.1)0.19 (4.8)10 000 (689)5 000 (344)15 000 (1 033)13 500 (930)11 600 (799)1/4-4-CN1.12 (28.4)0.28 (7.1)8 000 (551)4 000 (275)15 000 (1 033)10 800 (744)9 300 (640)3/8-6-CN1.12 (28.4)0.38 (9.6)7 800 (537)3 900 (268)15 000 (1 033)10 500 (723)9 000 (620)1/2-8-CN1.50 (38.1)0.47 (11.9)7 700 (530)3 800 (261)14 800 (1 019)10 400 (716)8 900 (613)3/4-12-CN1.50 (38.1)0.62 (15.7)7 300 (502)3 600 (248)10 000 (689)9 800 (675)8 500 (585)1-16-CN1.88 (47.8)0.88 (22.4)5 300 (365)2 600 (179)10 000 (689)7 100 (489)6 100 . (mm)PIPEFITTINGSMale NPTHex Nipples6-MolyAlloy 825F flatEAMale NPTNPTSizein.BasicOrderingNumberDimensions,in. (mm)AEF316 SS,Carbon SteelBrassPressure Ratings,psig (bar)Alloy 2507,Alloy 6251/16-1-HN1.01 (25.6)0.12 (3.0)5/1611 000 (757)5 500 (378)1/8-2-HN1.01 (25.6)0.19 (4.8)7/1610 000 (689)5 000 (344)1/4-4-HN1.40 (35.6)0.28 (7.1)9/168 000 (551)3/8-6-HN1.43 (36.3)0.38 (9.6)11/161/2-8-HN1.84 (46.7)0.47 (11.9)3/4-12-HN1.84 (46.7)0.62 (15.7)1-16-HN2.32 (58.9)0.88 (22.4)1 3/86-MolyAlloy 82515 000 (1 033)14 900 (1 026)12 800 (881)15 000 (1 033)13 500 (930)11 600 (799)4 000 (275)15 000 (1 033)10 800 (744)9 300 (640)7 800 (537)3 900 (268)15 000 (1 033)10 500 (723)9 000 (620)7/87 700 (530)3 800 (261)14 800 (1 019)10 400 (716)8 900 (613)1 1/167 300 (502)3 600 (248)10 000 (689)9 800 (675)8 500 (585)5 300 (365)2 600 (179)10 000 (689)7 100 (489)6 100 (420)————6-MolyAlloy 82513 500 (930)11 600 (800)Heavy-Wall Male NPT1/4SS-4-HN-10K1.40 (35.6)0.23 (5.8)9/1610 000 (689)1/2SS-8-HN-10K1.84 (46.7)0.39 (9.9)7/810 000 (689)Male ISO Tapered Thread n. (mm)AEF316 SS,Carbon SteelBrassPressure Ratings,psig (bar)Alloy 2507,Alloy 6251/8-2-HN-RT1.01 (25.6)0.19 (4.8)7/1610 000 (689)5 000 (344)15 000 (1 034)1/4-4-HN-RT1.40 (35.6)0.28 (7.1)9/168 000 (551)4 000 (275)15 000 (1 034)10 800 (740)9 300 (640)3/8-6-HN-RT1.43 (36.3)0.38 (9.6)11/167 800 (537)3 900 (268)15 000 (1 034)10 500 (720)9 000 (620)1/2-8-HN-RT1.84 (46.7)0.47 (11.9)7/87 700 (530)3 800 (265)14 800 (1 025)10 400 (710)8 900 (610)

6Weld, VCR, VCO, Pipe, and Vacuum FittingsHex NipplesPIPEFITTINGSMale NPT to Male ISO Tapered Thread /81/8-2-HN-2RT1/41/4-4-HN-4RTCAJON THREADED ADAPTER HEX NIPPLEDimensionsin. (mm)F316 SS,Carbon SteelBrassPressure Ratings,psig (bar)Alloy 2507,Alloy 6251.01 (25.6) 0.19 (4.8)7/1610 000 (689)5 000 (344)15 000 (1 033)13 500 (930)11 600 (799)1.40 (35.6) 0.28 (7.1)9/168 000 (551)CA-ELD-00744 000 (275)15 000 (1 033)10 800 (744)9 300 (640)AE6-MolyAlloy 8253/83/8-6-HN-6RT1.43 (36.3) 0.38 (9.6)11/167 800 (537)3 900 (268)15 000 (1 033)10 500 (723)9 000 (620)1/21/2-8-HN-8RT1.84 (46.7) 0.47 (11.9)7/87 700 (530)3 800 (261)14 800 (1 019)10 400 (716)8 900 (613)3/43/4-12-HN-12RT1.84 (46.7) 0.62 (15.7) 1 1/167 300 (502)3 600 (248)10 000 (689)9 800 (675)8 500 (585)11-16-HN-16RT2.32 (58.9) 0.88 (22.4)5 300 (365)2 600 (179)10 000 (689)7 100 (489)6 100 (420)1 3/8C diaF flatEBAMale NPT to Male ISO Parallel Thread n. ssure Ratings,psig (bar)Alloy 2507,BrassAlloy 6256-MolyF316 SS,Carbon Steel9/165800 (400)2900 (200)5800 (400)5800 (400)5800 (400)3/45800 (400)2900 (200)5800 (400)5800 (400)5800 (400)7/85800 (400)2900 (200)5800 (400)5800 (400)5800 (400)1 1/164700 (324)2350 (162)4640 (320)4640 (320)4640 (320)1 5/163620 (250)1810 (125)3620 (250)3620 (250)3620 (250)1 5/83620 (250)1810 (125)3620 (250)3620 (250)3620 (250)For gasket information, see page 12.➀ The E dimension is the minimum nominal opening. These fittings may have a larger opening at one end.Alloy 825

Pipe Fittings7Hex Reducing NipplesF flatEPIPEFITTINGSAMale NPTNPTSizein.BasicOrderingNumberF316 SS,Carbon SteelBrassPressure Ratings,psig (bar)Alloy 2507,Alloy 6257/1611 000 (757)5 500 (378)Dimensions, in. (mm)E➀A6-MolyAlloy 82515 000 (1 033)14 900 (1 026)12 800 (881)1/8 to 1/16-2-HRN-11.01 (25.6)0.12 (3.0)1/4 to 1/8-4-HRN-21.22 (31.0)0.19 (4.8)9/1610 000 (689)5 000 (344)15 000 (1 033)13 500 (930)11 600 (799)3/8 to 1/8-6-HRN-21.25 (31.8)0.19 (4.8)11/1610 000 (689)5 000 (344)15 000 (1 033)13 500 (930)11 600 (799)3/8 to 1/4-6-HRN-41.43 (36.3)0.28 (7.1)11/168 000 (551)4 000 (275)15 000 (1 033)10 800 (744)9 300 (640)1/2 to 1/8-8-HRN-21.47 (37.3)0.19 (4.8)7/87 700 (530)3 800 (261)14 800 (1 019)10 400 (716)8 900 (613)1/2 to 1/4-8-HRN-41.65 (41.9)0.28 (7.1)7/88 000 (551)4 000 (275)15 000 (1 033)10 800 (744)9 300 (640)1/2 to 3/8-8-HRN-61.65 (41.9)0.38 (9.6)7/87 800 (537)3 900 (268)15 000 (1 033)10 500 (723)9 000 (620)3/4 to 1/4-12-HRN-41.65 (41.9)0.28 (7.1)1 1/168 000 (551)4 000 (275)10 000 (689)10 000 (689)9 300 (640)3/4 to 1/2-12-HRN-81.84 (46.7)0.47 (11.9)1 1/167 700 (530)3 800 (261)10 000 (689)10 000 (689)8 900 (613)1 to 1/4-16-HRN-41.94 (49.3)0.28 (7.1)1 3/85 300 (365)2 600 (179)10 000 (689)7 100 (489)6 100 (420)1 to 1/2-16-HRN-82.13 (54.1)0.47 (11.9)1 3/87 700 (530)3 800 (261)10 000 (689)10 000 (689)8 900 (613)1 to 3/4-16-HRN-122.13 (54.1)0.62 (15.7)1 3/87 300 (502)3 600 (248)10 000 (689)9 800 (675)8 500 (585)————Heavy-Wall Male NPT1/2 to 1/4SS-8-HRN-4-10K 1.65 (41.9)0.23 (5.8)7/810 000 (689)➀ The E dimension is the minimum nominal opening. These fittings may have a larger opening at the larger end.Male ISO Tapered Thread (RT)Dimensionsin. (mm)F316 SS,Carbon SteelBrassPressure Ratings,psig (bar)Alloy 2507,Alloy 6256-MolyAlloy 8250.28 (7.1)11/167 800 (537)3 900 (268)15 000 (1 033)10 500 (723)9 000 (620)1.47 (37.3)0.19 (4.8)7/87 700 (530)3 800 (261)14 800 (1 019)10 400 (716)8 900 (613)1.65 (41.9)0.38 (9.6)7/87 800 (537)3 900 (268)15 000 (1 033)10 500 (723)9 000 (620)ISOThreadSizein.Basic OrderingNumberA3/8 to 1/4-6-HRNT-4RT1.43 (36.3)1/2 to 1/8-8-HRNT-2RT1/2 to 3/8-8-HRNT-6RTE➀➀ The E dimension is the minimum nominal opening. These fittings may have a larger opening at the larger end.