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    154 Products
    About Pipe and Fittings
    industrial info icon

    Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

    Standard-Wall Butt-Weld Stainless Steel Unthreaded Pipe Stub Ends

    Image of System. Straight Pipe Stub End with Pipe Flange. Front orientation. Pipe Stub Ends. Standard-Wall Butt-Weld Stainless Steel Unthreaded Pipe Stub Ends.
    Image of Product. Straight Adapter. Front orientation. Pipe Stub Ends. Standard-Wall Butt-Weld Stainless Steel Unthreaded Pipe Stub Ends.

    Straight Pipe

    Stub End with

    Pipe Flange

    Straight Adapter

    Also known as Schedule 40 pipe stub ends, these have thicker walls than our thin-wall stainless steel unthreaded butt-weld pipe stub ends. They have beveled ends that, when flush to pipe, create a trough for a strong weld that permits maximum flow.
    Pipe stub ends are used with flanges. Slide a flange onto the stub end and weld the stub end to pipe (not the flange). Since the flange isn’t welded to the pipe, it can be disconnected easily, which creates an access point for frequent cleaning and inspecting.
    304/304L Stainless Steel—304/304L stainless steel pipe stub ends have very good corrosion resistance.
    316/316L Stainless Steel—316/316L stainless steel pipe stub ends have excellent corrosion resistance.
    Pipe Stub Ends
    Flanges
    For Pipe
    For
    Flange
    Pipe
    Size
    Wall
    Thk.
    Flange
    OD
    Construction
    For Use With
    Specs. Met
    Schedule
    Material
    Class
    Material
    Each
    Each
    Straight Pipe Stub Ends, Butt Weld × Flanged
     
    304/304L Stainless Steel
    1/2
    0.109"1 3/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45605K65100000044685K311000000
    3/4
    0.113"1 11/16"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45605K6520000044685K31200000
    1
    0.133"2"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45605K6530000044685K31300000
    1 1/4
    0.14"2 1/2"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45605K6540000044685K31400000
    1 1/2
    0.145"2 7/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45605K6550000044685K31500000
    2
    0.154"3 5/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45605K6560000044685K31600000
    2 1/2
    0.203"4 1/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45605K6570000044685K317000000
    3
    0.216"5"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45605K6610000044685K318000000
    4
    0.237"6 3/16"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45605K6630000044685K319000000
    6
    0.28"8 1/2"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45605K66500000044685K161000000
    8
    0.322"10 5/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45605K53100000044685K176000000
     
    316/316L Stainless Steel
    1/2
    0.109"1 3/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    45555K6510000044695K21200000
    3/4
    0.113"1 11/16"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    45555K6520000044695K21300000
    1
    0.133"2"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    45555K6530000044695K21400000
    1 1/4
    0.14"2 1/2"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    45555K6540000044695K21500000
    1 1/2
    0.145"2 7/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    45555K6550000044695K21600000
    2
    0.154"3 5/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    45555K6560000044695K21700000
    2 1/2
    0.203"4 1/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    45555K6570000044695K218000000
    3
    0.216"5"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    45555K6610000044695K219000000
    4
    0.237"6 3/16"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    45555K6630000044695K221000000
    6
    0.28"8 1/2"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    45555K66500000044695K151000000
    8
    0.322"10 5/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4340
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    45555K61500000044695K166000000
     

    Thin-Wall Butt-Weld Stainless Steel Unthreaded Pipe Stub Ends

    Image of System. Straight Pipe Stub End with Pipe Flange. Front orientation. Pipe Stub Ends. Thin-Wall Butt-Weld Stainless Steel Unthreaded Pipe Stub Ends.
    Image of Product. Straight Adapter. Front orientation. Pipe Stub Ends. Thin-Wall Butt-Weld Stainless Steel Unthreaded Pipe Stub Ends.

    Straight Pipe

    Stub End with

    Pipe Flange

    Straight

    Adapter

    Also known as Schedule 10 pipe stub ends, these are thin and lightweight. They have beveled ends that, when flush to pipe, create a trough for a strong weld that permits maximum flow.
    Pipe stub ends are used with flanges. Slide a flange onto the stub end and weld the stub end to pipe (not the flange). Since the flange isn’t welded to the pipe, it can be disconnected easily, which creates an access point for frequent cleaning and inspecting.
    304/304L Stainless Steel—304/304L stainless steel pipe stub ends have very good corrosion resistance.
    316/316L Stainless Steel—316/316L stainless steel pipe stub ends have excellent corrosion resistance.
    Pipe Stub Ends
    Flanges
    For Pipe
    For
    Flange
    Pipe
    Size
    Wall
    Thk.
    Flange
    OD
    Construction
    For Use With
    Specs. Met
    Schedule
    Material
    Class
    Material
    Each
    Each
    Straight Pipe Stub Ends, Butt Weld × Flanged
     
    304/304L Stainless Steel
    1/2
    0.083"1 3/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45735K29100000044685K311000000
    3/4
    0.083"1 11/16"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45735K2920000044685K31200000
    1
    0.109"2"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45735K2930000044685K31300000
    1 1/4
    0.109"2 1/2"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45735K2970000044685K31400000
    1 1/2
    0.109"2 7/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45735K2950000044685K31500000
    2
    0.109"3 5/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45735K2960000044685K31600000
    2 1/2
    0.12"4 1/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45735K3110000044685K317000000
    3
    0.12"5"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45735K2980000044685K318000000
    4
    0.12"6 3/16"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45735K2990000044685K319000000
    6
    0.134"8 1/2"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45735K31200000044685K161000000
    8
    0.148"10 5/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45735K11600000044685K176000000
    10
    0.134"12 3/4"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45735K62200000044685K326000000
    12
    0.156"15"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    304 Stainless Steel, 304/304L Stainless Steel
    150
    304 Stainless Steel, 304/304L Stainless Steel
    45735K62300000044685K327000000
     
    316/316L Stainless Steel
    1/2
    0.083"1 3/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    43645K3910000044695K21200000
    3/4
    0.083"1 11/16"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    43645K3920000044695K21300000
    1
    0.109"2"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    43645K3930000044695K21400000
    1 1/4
    0.109"2 1/2"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    43645K1520000044695K21500000
    1 1/2
    0.109"2 7/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    43645K3950000044695K21600000
    2
    0.109"3 5/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    43645K3960000044695K21700000
    2 1/2
    0.12"4 1/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    43645K1530000044695K218000000
    3
    0.12"5"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    43645K3980000044695K219000000
    4
    0.12"6 3/16"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    43645K3990000044695K221000000
    6
    0.134"8 1/2"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    43645K15400000044695K151000000
    8
    0.148"10 5/8"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    43645K15500000044695K166000000
    12
    0.18"15"WeldedAir, Natural Gas, Oil, WaterASME B16.9, ASTM A403, MSS SP-4310
    316 Stainless Steel, 316/316L Stainless Steel
    150
    316 Stainless Steel, 316/316L Stainless Steel
    43645K46200000044695K256000000
     

    Standard-Wall Butt-Weld Steel Unthreaded Pipe Stub Ends

    Image of System. Straight Pipe Stub End with Pipe Flange. Front orientation. Pipe Stub Ends. Standard-Wall Butt-Weld Steel Unthreaded Pipe Stub Ends.
    Image of Product. Straight Adapter. Front orientation. Pipe Stub Ends. Standard-Wall Butt-Weld Steel Unthreaded Pipe Stub Ends.

    Straight Pipe Stub

    End with Pipe Flange

    Straight Adapter

    Butt-weld pipe stub ends allow for a smooth connection that provides maximum flow. They have beveled ends that, when flush to pipe, create a trough for a strong, permanent weld. Pipe stub ends are also known as Schedule 40. They are for use in noncorrosive environments.
    Pipe stub ends are used with flanges. Slide a flange onto the stub end and weld the stub end to pipe (not the flange). Since the flange isn’t welded to the pipe, it can be disconnected easily, which creates an access point for frequent cleaning and inspecting.
    Pipe Stub Ends
    Flanges
    For Pipe
    For
    Flange
    Pipe
    Size
    Wall
    Thk.
    Flange
    OD
    Construction
    For Use With
    Specs. Met
    Schedule
    Material
    Class
    Material
    Each
    Each
    Straight Pipe Stub Ends, Butt Weld × Flanged
     
    Steel
    1/2
    0.109"1 3/8"SeamlessAir, Natural Gas, Oil, Steam, WaterASME B16.9, ASTM A23440
    Steel150
    Steel43425K11500000068095K422000000
    3/4
    0.113"1 11/16"SeamlessAir, Natural Gas, Oil, Steam, WaterASME B16.9, ASTM A23440
    Steel150
    Steel43425K1250000068095K38500000
    1
    0.133"2"SeamlessAir, Natural Gas, Oil, Steam, WaterASME B16.9, ASTM A23440
    Steel150
    Steel43425K1350000068095K38600000
    1 1/4
    0.14"2 1/2"SeamlessAir, Natural Gas, Oil, Steam, WaterASME B16.9, ASTM A23440
    Steel150
    Steel43425K14500000068095K38700000
    1 1/2
    0.145"2 7/8"SeamlessAir, Natural Gas, Oil, Steam, WaterASME B16.9, ASTM A23440
    Steel150
    Steel43425K15500000068095K38800000
    2
    0.154"3 5/8"SeamlessAir, Natural Gas, Oil, Steam, WaterASME B16.9, ASTM A23440
    Steel150
    Steel43425K16500000068095K38900000
    2 1/2
    0.203"4 1/8"SeamlessAir, Natural Gas, Oil, Steam, WaterASME B16.9, ASTM A23440
    Steel150
    Steel43425K17500000068095K39100000
    3
    0.216"5"SeamlessAir, Natural Gas, Oil, Steam, WaterASME B16.9, ASTM A23440
    Steel150
    Steel43425K18500000068095K39200000
    4
    0.237"6 3/16"SeamlessAir, Natural Gas, Oil, Steam, WaterASME B16.9, ASTM A23440
    Steel150
    Steel43425K21500000068095K39300000
    6
    0.28"8 1/2"SeamlessAir, Natural Gas, Oil, Steam, WaterASME B16.9, ASTM A23440
    Steel150
    Steel43425K23500000068095K39400000
    8
    0.322"10 5/8"SeamlessAir, Natural Gas, Oil, Steam, WaterASME B16.9, ASTM A23440
    Steel150
    Steel43425K24500000068095K421000000
     

    Thick-Wall Butt-Weld Steel Unthreaded Pipe Stub Ends

    Image of System. Straight Pipe Stub End with Pipe Flange. Front orientation. Pipe Stub Ends. Thick-Wall Butt-Weld Steel Unthreaded Pipe Stub Ends.
    Image of Product. Straight Adapter. Front orientation. Pipe Stub Ends. Thick-Wall Butt-Weld Steel Unthreaded Pipe Stub Ends.

    Straight Pipe Stub

    End with Pipe Flange

    Straight Adapter

    With thicker, stronger walls than our standard-wall butt-weld pipe stub ends, these stand up to your high strength applications. Weld them flush against pipe for a smooth connection that permits maximum flow. These stub ends have beveled ends that create a trough for a leak-resistant, permanent weld. Made of steel, they’re for use in noncorrosive environments.
    Pipe stub ends are used with flanges. Slide a flange onto the stub end and weld the stub end to pipe (not the flange). Since the flange isn’t welded to the pipe, it can be disconnected easily, which creates an access point for frequent cleaning and inspecting. Bolt flanges together with a gasket.
    Pipe Stub Ends
    Flanges
    For Pipe
    For
    Flange
    Pipe
    Size
    Wall
    Thk.
    Flange
    OD
    Construction
    For Use With
    Specs.
    Met
    Schedule
    Material
    Class
    Material
    Each
    Each
    Straight Pipe Stub Ends, Butt Weld × Flanged
     
    Steel
    1/2
    0.147"1 3/8"SeamlessAir, Natural Gas, Oil, Steam, WaterASTM A23480
    Steel300
    Steel4981T2110000006806K353000000
    3/4
    0.154"1 1/16"SeamlessAir, Natural Gas, Oil, Steam, WaterASTM A23480
    Steel300
    Steel4981T221000006806K32700000
    1
    0.179"2"SeamlessAir, Natural Gas, Oil, Steam, WaterASTM A23480
    Steel300
    Steel4981T231000006806K32800000
    1 1/4
    0.191"2 1/2"SeamlessAir, Natural Gas, Oil, Steam, WaterASTM A23480
    Steel300
    Steel4981T2410000006806K32900000
    1 1/2
    0.2"2 7/8"SeamlessAir, Natural Gas, Oil, Steam, WaterASTM A23480
    Steel300
    Steel4981T2510000006806K33100000
    2
    0.218"3 5/8"SeamlessAir, Natural Gas, Oil, Steam, WaterASTM A23480
    Steel300
    Steel4981T2610000006806K33200000
    2 1/2
    0.276"4 1/8"SeamlessAir, Natural Gas, Oil, Steam, WaterASTM A23480
    Steel300
    Steel4981T2710000006806K33300000
    3
    0.3"5"SeamlessAir, Natural Gas, Oil, Steam, WaterASTM A23480
    Steel300
    Steel4981T2810000006806K33400000
    4
    0.337"6 3/16"SeamlessAir, Natural Gas, Oil, Steam, WaterASTM A23480
    Steel300
    Steel4981T2910000006806K33500000
    5
    0.375"7 5/16"SeamlessAir, Natural Gas, Oil, Steam, WaterASTM A23480
    Steel300
    Steel4981T3110000006806K351000000
    6
    0.432"8 1/2"SeamlessAir, Natural Gas, Oil, Steam, WaterASTM A23480
    Steel300
    Steel4981T3210000006806K336000000
    8
    0.5"10 5/8"SeamlessAir, Natural Gas, Oil, Steam, WaterASTM A23480
    Steel300
    Steel4981T3220000006806K352000000
     

    High-Purity PVDF Pipe Stub Ends for Corrosive Chemicals

    Image of Product. Straight Adapter. Front orientation. Pipe Stub Ends. High-Purity PVDF Pipe Stub Ends for Corrosive Chemicals.
    Image of Product. Straight Pipe Stub End with Pipe Flange. Back orientation. Pipe Stub Ends. High-Purity PVDF Pipe Stub Ends for Corrosive Chemicals.

    Straight

    Adapter

    Straight

    Pipe

    Stub End

    with

    Pipe

    Flange

    Made of PVDF that’s finished to a 12 Ra smoothness, these pipe stub ends handle some of the harshest chemicals without leaching contaminants into your line. They won’t accumulate particles and are easy to clean, thanks to their smoothness. Comparable to Kynar, these stub ends handle most organic solvents that would dissolve CPVC, and chlorine or nitric acid that would weaken polypropylene. You can use them at higher temperatures than CPVC and polypropylene. These stub ends meet UL 94 V-0 and FM standards for flame retardance. They’re also FDA compliant for direct contact with food, and they meet ASTM requirements for dimensions and tolerances.
    Connect them to pipe with socket fusion welding for a strong, permanent bond. Use a socket fusion welder with a heater bushing (sold separately) that matches your pipe size.
    Pipe stub ends connect flanges to pipe. Slide the straight end into a flange and fuse the stub end to the pipe. Since the flange isn’t fused to the pipe, it can be disconnected easily for cleaning and inspecting.
    Pipe Stub Ends
    Flanges
    For Pipe
    Pipe
    Size
    Wall
    Thk.
    Flange
    OD
    Color
    Max. Pressure
    @ Temp.
    For Use With
    Temp. Range,
    ° F
    Specs.
    Met
    Food Industry Std.
    Flammability
    Rating
    Standard Dimension
    Ratio
    Material
    For Flange
    Material
    Each
    Each
    Straight Pipe Stub Ends, Female Weld Socket × Flanged
     
    PVDF
    1/2
    0.138"1 49/64"White230 psi @ 72° FChlorine, Deionized Water, Hydrochloric Acid, Nitric Acid, Oil, Phosphoric Acid, Salt Water, Solvents-40 to 270ASTM D3261FDA Compliant 21 CFR 177.2510
    FM 4910, UL 94 V-0
    SDR21PVDF
    Polypropylene
    5306N270000005352N11000000
    3/4
    0.158"2 9/32"White230 psi @ 72° FChlorine, Deionized Water, Hydrochloric Acid, Nitric Acid, Oil, Phosphoric Acid, Salt Water, Solvents-40 to 270ASTM D3261FDA Compliant 21 CFR 177.2510
    FM 4910, UL 94 V-0
    SDR21PVDF
    Polypropylene
    5306N280000005352N1200000
    1
    0.177"2 43/64"White230 psi @ 72° FChlorine, Deionized Water, Hydrochloric Acid, Nitric Acid, Oil, Phosphoric Acid, Salt Water, Solvents-40 to 270ASTM D3261FDA Compliant 21 CFR 177.2510
    FM 4910, UL 94 V-0
    SDR21PVDF
    Polypropylene
    5306N290000005352N1300000
    1 1/2
    0.217"3 15/32"White230 psi @ 72° FChlorine, Deionized Water, Hydrochloric Acid, Nitric Acid, Oil, Phosphoric Acid, Salt Water, Solvents-40 to 270ASTM D3261FDA Compliant 21 CFR 177.2510
    FM 4910, UL 94 V-0
    SDR21PVDF
    Polypropylene
    5306N310000005352N1400000
    2
    0.256"4"White230 psi @ 72° FChlorine, Deionized Water, Hydrochloric Acid, Nitric Acid, Oil, Phosphoric Acid, Salt Water, Solvents-40 to 270ASTM D3261FDA Compliant 21 CFR 177.2510
    FM 4910, UL 94 V-0
    SDR21PVDF
    Polypropylene
    5306N320000005352N15000000
     
    Accessories for Pipe Stub Ends

    High-Purity Polypropylene Pipe Stub Ends for Corrosive Chemicals

    Image of Product. Straight Adapter. Front orientation. Pipe Stub Ends. High-Purity Polypropylene Pipe Stub Ends for Corrosive Chemicals.
    Image of Product. Straight Pipe Stub End with Flange. Back orientation. Pipe Stub Ends. High-Purity Polypropylene Pipe Stub Ends for Corrosive Chemicals.

    Straight

    Adapter

    Straight Pipe

    Stub End with

    Flange

    The inside of these pipe stub ends won’t leach contaminants into your line or accumulate particles—they’re polished to an ultra-smooth 12 Ra finish, which also makes them easy to clean. Made of polypropylene, they resist organic solvents, acids, and alkalis better than CPVC stub ends. These stub ends meet NSF/ANSI 61 for use with drinking water, and they’re FDA compliant for direct contact with food. They also meet ASTM requirements for material and performance, and ISO requirements for dimensions.
    Connect them to pipe with socket fusion welding for a strong, permanent bond. Use a socket fusion welder with a heater bushing (sold separately) that matches your pipe size.
    Pipe stub ends connect flanges to pipe. Slide the straight end into a flange and fuse the stub end to the pipe. Since the flange isn’t fused to the pipe, it can be disconnected easily for cleaning and inspecting.
    Warning: Never use plastic pipe stub ends and pipe with compressed air or gas.
    Pipe Stub Ends
    Flanges
    For Pipe
    Pipe
    Size
    Wall
    Thk.
    Flange
    OD
    Color
    Max. Pressure
    @ Temp.
    For Use With
    Temp. Range,
    ° F
    Specs. Met
    Food Industry Std.
    Standard Dimension
    Ratio
    Material
    For Flange
    Material
    Each
    Each
    Straight Pipe Stub Ends, Female Weld Socket × Flanged
     
    Polypropylene
    1/2
    0.119"1 47/64"Light Gray150 psi @ 72° FDeionized Water, Drinking Water, Hydrochloric Acid, Phosphoric Acid, Salt Water, Solvents32 to 200ASTM D2837, ASTM D4101, ISO 7279FDA Compliant 21 CFR 177.1520, FDA Compliant 21 CFR 178.3297, NSF/ANSI 61SDR11Polypropylene
    Polypropylene
    5381N0850000005352N11000000
    3/4
    0.138"2 1/8"Light Gray150 psi @ 72° FDeionized Water, Drinking Water, Hydrochloric Acid, Phosphoric Acid, Salt Water, Solvents32 to 200ASTM D2837, ASTM D4101, ISO 7279FDA Compliant 21 CFR 177.1520, FDA Compliant 21 CFR 178.3297, NSF/ANSI 61SDR11Polypropylene
    Polypropylene
    5381N086000005352N1200000
    1
    0.138"2 31/64"Light Gray150 psi @ 72° FDeionized Water, Drinking Water, Hydrochloric Acid, Phosphoric Acid, Salt Water, Solvents32 to 200ASTM D2837, ASTM D4101, ISO 7279FDA Compliant 21 CFR 177.1520, FDA Compliant 21 CFR 178.3297, NSF/ANSI 61SDR11Polypropylene
    Polypropylene
    5381N087000005352N1300000
    1 1/2
    0.195"3 15/64"Light Gray150 psi @ 72° FDeionized Water, Drinking Water, Hydrochloric Acid, Phosphoric Acid, Salt Water, Solvents32 to 200ASTM D2837, ASTM D4101, ISO 7279FDA Compliant 21 CFR 177.1520, FDA Compliant 21 CFR 178.3297, NSF/ANSI 61SDR11Polypropylene
    Polypropylene
    5381N088000005352N1400000
    2
    0.178"3 31/32"Light Gray150 psi @ 72° FDeionized Water, Drinking Water, Hydrochloric Acid, Phosphoric Acid, Salt Water, Solvents32 to 200ASTM D2837, ASTM D4101, ISO 7279FDA Compliant 21 CFR 177.1520, FDA Compliant 21 CFR 178.3297, NSF/ANSI 61SDR11Polypropylene
    Polypropylene
    5381N089000005352N15000000
     
    Accessories for Pipe Stub Ends
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