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    151 Products

    High-Temperature Graphite Pipe Gaskets with Bolt Holes

    Image of ProductInUse. Front orientation. Pipe Gaskets. High-Temperature Graphite Pipe Gaskets with Bolt Holes.
    Able to withstand temperatures up to 750° F, these graphite gaskets have a stainless steel insert for strength to handle pressure up to 1,000 psi. Commonly called full-face gaskets, they cover the entire face of flat-surface pipe flanges and align with the bolt holes. All gaskets are sized to meet ANSI standards.
    Plain-Back Gaskets for ANSI Flanges
    For ANSI Class 150—Gaskets for ANSI Class 150 flanges are compatible with low-pressure pipe flanges.
    For ANSI Class 300—Gaskets for ANSI Class 300 flanges are compatible with medium-pressure pipe flanges.
    For ANSI Class 600—Gaskets for ANSI Class 600 flanges are compatible with high-pressure pipe flanges.
    1/16" Thick
    For Pipe
    Size
    ID
    OD
    No. of Bolt
    Holes
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Color
    Each
    For ANSI Class 150
    3/4
    1 1/16"3 7/8"41,000-325 to 750Gray94095K8200000
    1
    1 5/16"4 1/4"41,000-325 to 750Gray94095K830000
    1 1/4
    1 21/32"4 5/8"41,000-325 to 750Gray94095K840000
    1 1/2
    1 29/32"5"41,000-325 to 750Gray94095K850000
    2
    2 3/8"6"41,000-325 to 750Gray94095K860000
    2 1/2
    2 7/8"7"41,000-325 to 750Gray94095K8700000
    3
    3 1/2"7 1/2"41,000-325 to 750Gray94095K8800000
    3 1/2
    4"8 1/2"81,000-325 to 750Gray94095K8900000
    4
    4 1/2"9"81,000-325 to 750Gray94095K9100000
    5
    5 9/16"10"81,000-325 to 750Gray94095K9200000
    6
    6 5/8"11"81,000-325 to 750Gray94095K9300000
    8
    8 5/8"13 1/2"81,000-325 to 750Gray94095K9400000
    10
    10 3/4"16"121,000-325 to 750Gray94095K9500000
    12
    12 3/4"19"121,000-325 to 750Gray94095K9600000
     
    For ANSI Class 300
    1
    1 5/16"4 7/8"41,000-325 to 750Gray94095K670000
    1 1/2
    1 29/32"6 1/8"41,000-325 to 750Gray94095K680000
    2
    2 3/8"6 1/2"81,000-325 to 750Gray94095K6900000
    2 1/2
    2 7/8"7 1/2"81,000-325 to 750Gray94095K8100000
    3
    3 1/2"8 1/4"81,000-325 to 750Gray94095K7900000
    4
    4 1/2"10"81,000-325 to 750Gray94095K5200000
    6
    6 5/8"12 1/2"121,000-325 to 750Gray94095K5400000
    8
    8 5/8"15"121,000-325 to 750Gray94095K14100000
     
    For ANSI Class 600
    1
    1 5/16"4 7/8"41,000-325 to 750Gray94095K1420000
    1 1/2
    1 29/32"6 1/8"41,000-325 to 750Gray94095K1430000
    2
    2 3/8"6 1/2"81,000-325 to 750Gray94095K14400000
    2 1/2
    2 7/8"7 1/2"81,000-325 to 750Gray94095K14500000
    3
    3 1/2"8 1/4"81,000-325 to 750Gray94095K14600000
    4
    4 1/2"10 3/4"81,000-325 to 750Gray94095K14700000
    5
    5 9/16"13"81,000-325 to 750Gray94095K14800000
    6
    6 5/8"14"121,000-325 to 750Gray94095K14900000
    8
    8 5/8"16 1/2"121,000-325 to 750Gray94095K15100000
     

    Easy-Install High-Temperature Metallic Pipe Gaskets

    Image of ProductInUse. Front orientation. Pipe Gaskets. Easy-Install High-Temperature Metallic Pipe Gaskets.
    Instead of bolt holes, these gaskets have tines that easily fit around flange bolts to ensure they’re properly aligned with pipe openings. The tine design also means you won’t have to retorque the flange for alignment, saving time. These gaskets are half as thick as our other metallic gaskets, so they're easier to slip in between flanges. Made from 304 stainless steel, these gaskets add structural strength. They also withstand high temperatures, making them a good option for extreme environments. Because these don't have bolt holes, they work with multiple ANSI Class designations, so they're compatible with low-, medium-, and high-pressure pipe flanges.
    Plain-Back Gaskets for ANSI Flanges
    1/16" Thick
    For Pipe
    Size
    ID
    OD
    Compressed
    Thk.
    Sealing
    Element OD
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Material
    Sealing Element
    Material
    Sealing Element
    Filler Material
    Each
    For ANSI Class 150, 300, 600, 1500, and 2500
    1
    1 5/32"4 5/8"0.024"2.61"5,000-325 to 930304 Stainless Steel
    304 Stainless Steel
    Graphite4484N1100000
    1 1/2
    2 1/32"3 3/8"0.024"2.59"5,000-325 to 930304 Stainless Steel
    304 Stainless Steel
    Graphite4484N1200000
    2
    2 7/16"4 1/8"0.024"3.26"5,000-325 to 930304 Stainless Steel
    304 Stainless Steel
    Graphite4484N1300000
    3
    3 5/8"5 3/8"0.024"4.56"5,000-325 to 930304 Stainless Steel
    304 Stainless Steel
    Graphite4484N1400000
    4
    4 3/4"6 7/8"0.024"5.7"5,000-325 to 930304 Stainless Steel
    304 Stainless Steel
    Graphite4484N1500000
    6
    6 15/16"8 3/4"0.024"7.82"5,000-325 to 930304 Stainless Steel
    304 Stainless Steel
    Graphite4484N1600000
     

    Ultra-Chemical-Resistant Compressible Reinforced ePTFE Pipe Gaskets with Bolt Holes

    Image of ProductInUse. Front orientation. Pipe Gaskets. Ultra-Chemical-Resistant Compressible Reinforced ePTFE Pipe Gaskets with Bolt Holes.
    Reinforced with a stainless steel insert, these soft expanded PTFE (ePTFE) gaskets are stronger and can hold their shape better than gaskets without an insert. They’re chemically inert (except to molten alkali metal and fluorine compounds). Commonly called full-face gaskets, they cover the entire face of flat-surface pipe flanges and align with the bolt holes. Gaskets are compatible with low-pressure pipe flanges; all gasket specifications are sized to meet ANSI standards.
    Plain-Back Gaskets for ANSI Flanges
    1/8" Thick
    For Pipe
    Size
    ID
    OD
    No. of Bolt
    Holes
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Hardness
    Color
    Each
    For ANSI Class 150
    1/2
    21/32"3 1/2"41,000-150 to 350Not RatedWhite1085N21000000
    3/4
    7/8"3 7/8"41,000-150 to 350Not RatedWhite1085N2200000
    1
    1 3/32"4 1/4"41,000-150 to 350Not RatedWhite1085N2300000
    1 1/2
    1 21/32"5"41,000-150 to 350Not RatedWhite1085N2400000
    2
    2 3/8"6"41,000-150 to 350Not RatedWhite1085N25000000
    3
    3 1/2"7 1/2"41,000-150 to 350Not RatedWhite1085N26000000
    4
    4 1/2"9"81,000-150 to 350Not RatedWhite1085N27000000
     

    High-Temperature Metallic Pipe Gaskets

    Image of ProductInUse. Gasket Shown with a Flat-Surface Pipe Flange. Front orientation. Pipe Gaskets. High-Temperature Metallic Pipe Gaskets.
    Image of ProductInUse. Gasket Shown with a Raised-Surface Pipe Flange. Front orientation. Pipe Gaskets. High-Temperature Metallic Pipe Gaskets.

    Gasket Shown

    with a

    Flat-Surface

    Pipe Flange

    Gasket Shown with

    a Raised-Surface

    Pipe Flange

    Also known as spiral-wound gaskets, these have a 1/8” thick carbon steel outer ring and a 304 stainless steel sealing element with a graphite-based filler. The carbon steel construction provides structural strength. These gaskets can be used with both flat-surface and raised-surfaces pipe flanges; they fit the surface inside the bolt holes and do not interfere with the bolt connection.
    Plain-Back Gaskets for ANSI Flanges
    Image of Product. Front orientation. Contains Annotated. Pipe Gaskets. High-Temperature Metallic Pipe Gaskets, Plain-Back Gaskets for ANSI Flanges, For ANSI Class 1500.

    For ANSI Class 1500

    Gaskets for ANSI flanges are sized so all gasket specifications meet ANSI standards.
    For ANSI Class 1500—Gaskets for ANSI Class 1500 flanges are compatible with extreme-pressure pipe flanges.
    Inner Ring ID—Gaskets with an inner ring prevent flange erosion.
    Sealing
    Element
    1/8" Thick
    For Pipe
    Size
    ID
    OD
    OD
    Wd.
    Inner Ring
    ID
    Max.
    Pressure
    Temp. Range,
    ° F
    Material
    Sealing Element
    Material
    Sealing Element
    Filler Material
    Inner Ring
    Material
    Specs. Met
    Each
    For ANSI Class 1500
    1/2
    3/4"2 1/2"1 1/4"0.175"0.56"Not Rated-50 to 840Carbon Steel
    304 Stainless Steel
    Graphite304 Stainless Steel
    ASME B16.2044955K611000000
    3/4
    1"2 3/4"1 9/16"0.175"0.81"Not Rated-50 to 840Carbon Steel
    304 Stainless Steel
    Graphite304 Stainless Steel
    ASME B16.2044955K61200000
    1
    1 1/4"3 1/8"1 7/8"0.175"1.06"Not Rated-50 to 840Carbon Steel
    304 Stainless Steel
    Graphite304 Stainless Steel
    ASME B16.2044955K61300000
    1 1/4
    1 9/16"3 1/2"2 3/8"0.175"1.31"Not Rated-50 to 840Carbon Steel
    304 Stainless Steel
    Graphite304 Stainless Steel
    ASME B16.2044955K61400000
    1 1/2
    1 7/8"3 7/8"2 3/4"0.175"1.63"Not Rated-50 to 840Carbon Steel
    304 Stainless Steel
    Graphite304 Stainless Steel
    ASME B16.2044955K61500000
    2
    2 5/16"5 5/8"3 3/8"0.175"2.06"Not Rated-50 to 840Carbon Steel
    304 Stainless Steel
    Graphite304 Stainless Steel
    ASME B16.2044955K61600000
    2 1/2
    2 3/4"6 1/2"3 7/8"0.175"2 1/2"Not Rated-50 to 840Carbon Steel
    304 Stainless Steel
    Graphite304 Stainless Steel
    ASME B16.2044955K61700000
    3
    3 5/8"6 7/8"4 3/4"0.175"3.10"Not Rated-50 to 840Carbon Steel
    304 Stainless Steel
    Graphite304 Stainless Steel
    ASME B16.2044955K62800000
    4
    4 5/8"8 1/4"5 7/8"0.175"3.85"Not Rated-50 to 840Carbon Steel
    304 Stainless Steel
    Graphite304 Stainless Steel
    ASME B16.2044955K62100000
    5
    5 5/8"10"7"0.175"4.90"Not Rated-50 to 840Carbon Steel
    304 Stainless Steel
    Graphite304 Stainless Steel
    ASME B16.2044955K62200000
    6
    6 3/4"11 1/8"8 1/4"0.175"5.80"Not Rated-50 to 840Carbon Steel
    304 Stainless Steel
    Graphite304 Stainless Steel
    ASME B16.2044955K623000000
    8
    8 1/2"13 7/8"10 1/8"0.175"7 3/4"Not Rated-50 to 840Carbon Steel
    304 Stainless Steel
    Graphite304 Stainless Steel
    ASME B16.2044955K624000000
    10
    10 1/2"17 1/8"12 1/4"0.175"9.69"Not Rated-50 to 840Carbon Steel
    304 Stainless Steel
    Graphite304 Stainless Steel
    ASME B16.2044955K625000000
    12
    12 3/4"20 1/2"14 1/2"0.175"11 1/2"Not Rated-50 to 840Carbon Steel
    304 Stainless Steel
    Graphite304 Stainless Steel
    ASME B16.2044955K626000000
     

    High-Temperature Graphite Pipe Gaskets

    Image of ProductInUse. Front orientation. Pipe Gaskets. High-Temperature Graphite Pipe Gaskets.
    Able to withstand temperatures up to 750° F, these graphite gaskets have a stainless steel insert for strength to handle pressure up to 1,000 psi. Also known as ring gaskets, use them with raised-surface pipe flanges; they fit the surface inside the bolt holes and do not interfere with the bolt connection. All gaskets are sized to meet ANSI standards.
    Plain-Back Gaskets for ANSI Flanges
    For ANSI Class 150—Gaskets for ANSI Class 150 flanges are compatible with low-pressure pipe flanges.
    For ANSI Class 300—Gaskets for ANSI Class 300 flanges are compatible with medium-pressure pipe flanges.
    For ANSI Class 600—Gaskets for ANSI Class 600 flanges are compatible with high-pressure pipe flanges.
    For ANSI Class 1500—Gaskets for ANSI Class 1500 flanges are compatible with extreme-pressure pipe flanges.
    1/16" Thick
    For Pipe
    Size
    ID
    OD
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Color
    Each
    For ANSI Class 150
    1/2
    27/32"1 7/8"1,000-325 to 750Gray94095K4100000
    3/4
    1 1/16"2 1/4"1,000-325 to 750Gray94095K420000
    1
    1 5/16"2 5/8"1,000-325 to 750Gray94095K430000
    1 1/4
    1 21/32"3"1,000-325 to 750Gray94095K440000
    1 1/2
    1 29/32"3 3/8"1,000-325 to 750Gray94095K450000
    2
    2 3/8"4 1/8"1,000-325 to 750Gray94095K460000
    2 1/2
    2 7/8"4 7/8"1,000-325 to 750Gray94095K470000
    3
    3 1/2"5 3/8"1,000-325 to 750Gray94095K480000
    4
    4 1/2"6 7/8"1,000-325 to 750Gray94095K610000
    5
    5 9/16"7 3/4"1,000-325 to 750Gray94095K6200000
    6
    6 5/8"8 3/4"1,000-325 to 750Gray94095K6300000
    8
    8 5/8"11"1,000-325 to 750Gray94095K6400000
    10
    10 3/4"13 3/8"1,000-325 to 750Gray94095K6500000
    12
    12 3/4"16 1/8"1,000-325 to 750Gray94095K6600000
     
    For ANSI Class 300
    1
    1 5/16"2 7/8"1,000-325 to 750Gray94095K710000
    1 1/2
    1 29/32"3 3/4"1,000-325 to 750Gray94095K730000
    2
    2 3/8"4 3/8"1,000-325 to 750Gray94095K740000
    2 1/2
    2 7/8"5 1/8"1,000-325 to 750Gray94095K750000
    3
    3 1/2"5 7/8"1,000-325 to 750Gray94095K760000
    4
    4 1/2"7 1/8"1,000-325 to 750Gray94095K7700000
    6
    6 5/8"9 7/8"1,000-325 to 750Gray94095K7800000
    8
    8 5/8"12 1/8"1,000-325 to 750Gray94095K11100000
     
    For ANSI Class 600
    1/2
    27/32"2 1/8"1,000-325 to 750Gray94095K1120000
    3/4
    1 1/16"2 5/8"1,000-325 to 750Gray94095K1130000
    1
    1 5/16"2 7/8"1,000-325 to 750Gray94095K1140000
    1 1/4
    1 21/32"3 1/4"1,000-325 to 750Gray94095K1150000
    1 1/2
    1 29/32"3 3/4"1,000-325 to 750Gray94095K1160000
    2
    2 3/8"4 3/8"1,000-325 to 750Gray94095K1170000
    2 1/2
    2 7/8"5 1/8"1,000-325 to 750Gray94095K1180000
    3
    3 1/2"5 7/8"1,000-325 to 750Gray94095K1190000
    4
    4 1/2"7 5/8"1,000-325 to 750Gray94095K12100000
    5
    5 9/16"9 1/2"1,000-325 to 750Gray94095K12200000
    6
    6 5/8"10 1/2"1,000-325 to 750Gray94095K12300000
    8
    8 5/8"12 5/8"1,000-325 to 750Gray94095K12400000
    12
    12 3/4"18"1,000-325 to 750Gray94095K12500000
     
    For ANSI Class 1500
    2
    2 3/8"5 5/8"1,000-325 to 750Gray94095K1260000
    3
    3 1/2"7 1/8"1,000-325 to 750Gray94095K12700000
    4
    4 1/2"8 1/8"1,000-325 to 750Gray94095K12800000
     

    Ultra-Chemical-Resistant Reinforced PTFE Pipe Gaskets

    Image of ProductInUse. Front orientation. Pipe Gaskets. Ultra-Chemical-Resistant Reinforced PTFE Pipe Gaskets.
    A stainless steel insert in these PTFE gaskets adds strength and makes them reusable. They are chemically inert (except to molten alkali metal and fluorine compounds). Also known as ring gaskets, use them with raised-surface pipe flanges; they fit the surface inside the bolt holes and do not interfere with the bolt connection. All gasket specifications are sized to meet ANSI standards.
    Plain-Back Gaskets for ANSI Flanges
    For ANSI Class 150—Gaskets for ANSI Class 150 flanges are compatible with low-pressure pipe flanges.
    For ANSI Class 300—Gaskets for ANSI Class 300 flanges are compatible with medium-pressure pipe flanges.
    1/8" Thick
    5/32" Thick
    For Pipe
    Size
    ID
    OD
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Hardness
    Color
    Each
    Each
    For ANSI Class 150
    1/2
    27/32"1 7/8"500-300 to 400Durometer 55D (Extra Hard)White5480K32000000———0
    3/4
    1 1/16"2 1/4"500-300 to 400Durometer 55D (Extra Hard)White5480K3300000———0
    1
    1 5/16"2 5/8"500-300 to 400Durometer 55D (Extra Hard)White5480K1100000———0
    1 1/4
    1 21/32"3"500-300 to 400Durometer 55D (Extra Hard)White5480K3400000———0
    1 1/2
    1 29/32"3 3/8"500-300 to 400Durometer 55D (Extra Hard)White5480K1300000———0
    2
    2 3/8"4 1/8"500-300 to 400Durometer 55D (Extra Hard)White5480K1500000———0
    2 1/2
    2 7/8"4 7/8"500-300 to 400Durometer 55D (Extra Hard)White5480K1600000———0
    3
    3 1/2"5 3/8"500-300 to 400Durometer 55D (Extra Hard)White5480K1900000———0
    4
    4 1/2"6 7/8"500-300 to 400Durometer 55D (Extra Hard)White5480K2300000———0
    5
    5 9/16"7 3/4"500-300 to 400Durometer 55D (Extra Hard)White5480K2400000———0
    6
    6 5/8"8 3/4"500-300 to 400Durometer 55D (Extra Hard)White5480K2700000———0
    8
    8 5/8"11"500-300 to 400Durometer 55D (Extra Hard)White———05480K28000000
    10
    10 3/4"13 3/8"500-300 to 400Durometer 55D (Extra Hard)White———05480K2900000
    12
    12 3/4"16 1/8"500-300 to 400Durometer 55D (Extra Hard)White———05480K31000000
     
    For ANSI Class 300
    1/2
    27/32"2 1/8"500-300 to 400Durometer 55D (Extra Hard)White5480K6100000———0
    3/4
    1 1/16"2 5/8"500-300 to 400Durometer 55D (Extra Hard)White5480K6200000———0
    1
    1 5/16"2 7/8"500-300 to 400Durometer 55D (Extra Hard)White5480K6300000———0
    1 1/4
    1 21/32"3 1/4"500-300 to 400Durometer 55D (Extra Hard)White5480K6400000———0
    1 1/2
    1 29/32"3 3/4"500-300 to 400Durometer 55D (Extra Hard)White5480K6500000———0
    2
    2 3/8"4 3/8"500-300 to 400Durometer 55D (Extra Hard)White5480K6600000———0
    2 1/2
    2 7/8"5 1/8"500-300 to 400Durometer 55D (Extra Hard)White5480K6700000———0
    3
    3 1/2"5 7/8"500-300 to 400Durometer 55D (Extra Hard)White5480K6800000———0
    4
    4 1/2"7 1/8"500-300 to 400Durometer 55D (Extra Hard)White5480K6900000———0
    5
    5 9/16"8 1/2"500-300 to 400Durometer 55D (Extra Hard)White5480K7100000———0
    6
    6 5/8"9 7/8"500-300 to 400Durometer 55D (Extra Hard)White5480K7200000———0
    8
    8 5/8"12 1/8"500-300 to 400Durometer 55D (Extra Hard)White5480K7300000———0
    10
    10 3/4"14 1/4"500-300 to 400Durometer 55D (Extra Hard)White5480K74000000———0
    12
    12 3/4"16 5/8"500-300 to 400Durometer 55D (Extra Hard)White5480K75000000———0
     

    Ultra-High-Temperature Vermiculite Pipe Gaskets with Bolt Holes

    Image of ProductInUse. Front orientation. Pipe Gaskets. Ultra-High-Temperature Vermiculite Pipe Gaskets with Bolt Holes.
    Our highest temperature gaskets, these are made of vermiculite to withstand temperatures up to 1800° F. They are reinforced with a stainless steel insert for added strength under pressures up to 740 psi. Commonly called full-face gaskets, they cover the entire face of flat-surface pipe flanges and align with the bolt holes. Gaskets are compatible with low-pressure pipe flanges; all gasket specifications are sized to meet ANSI standards.
    Plain-Back Gaskets for ANSI Flanges
    1/16" Thick
    For Pipe
    Size
    ID
    OD
    No. of Bolt
    Holes
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Color
    Each
    For ANSI Class 150
    1/2
    27/32"3 1/2"4740-235 to 1,800Gold1089N22000000
    3/4
    1 1/16"3 7/8"4740-235 to 1,800Gold1089N2300000
    1
    1 5/16"4 1/4"4740-235 to 1,800Gold1089N2400000
    1 1/2
    1 29/32"5"4740-235 to 1,800Gold1089N2600000
    2
    2 3/8"6"4740-235 to 1,800Gold1089N2700000
    2 1/2
    2 7/8"7"4740-235 to 1,800Gold1089N28000000
    3
    3 1/2"7 1/2"4740-235 to 1,800Gold1089N29000000
    4
    4 1/2"9"8740-235 to 1,800Gold1089N31000000
    6
    6 5/8"11"8740-235 to 1,800Gold1089N32000000
     

    Ultra-High-Temperature Vermiculite Pipe Gaskets

    Image of ProductInUse. Front orientation. Pipe Gaskets. Ultra-High-Temperature Vermiculite Pipe Gaskets.
    Our highest temperature gaskets, these are made of vermiculite to withstand temperatures up to 1800° F. They are reinforced with a stainless steel insert for added strength under pressures up to 740 psi. Also known as ring gaskets, use them with raised-surface pipe flanges; they fit the surface inside the bolt holes and do not interfere with the bolt connection. Gaskets are compatible with low-pressure pipe flanges; all gasket specifications are sized to meet ANSI standards.
    Plain-Back Gaskets for ANSI Flanges
    1/16" Thick
    For Pipe
    Size
    ID
    OD
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Color
    Each
    For ANSI Class 150
    1/2
    27/32"1 7/8"740-235 to 1,800Brown1089N11000000
    3/4
    1 1/16"2 1/4"740-235 to 1,800Brown1089N1200000
    1
    1 5/16"2 5/8"740-235 to 1,800Brown1089N1300000
    1 1/4
    1 21/32"3"740-235 to 1,800Brown1089N1400000
    1 1/2
    1 29/32"3 3/8"740-235 to 1,800Brown1089N1500000
    2
    2 3/8"4 1/8"740-235 to 1,800Brown1089N1600000
    2 1/2
    2 7/8"4 7/8"740-235 to 1,800Brown1089N1700000
    3
    3 1/2"5 3/8"740-235 to 1,800Brown1089N1800000
    4
    4 1/2"6 7/8"740-235 to 1,800Brown1089N1900000
    6
    6 5/8"8 3/4"740-235 to 1,800Brown1089N21000000
     

    Ultra-Chemical-Resistant Compressible Reinforced ePTFE Pipe Gaskets

    Image of ProductInUse. Front orientation. Pipe Gaskets. Ultra-Chemical-Resistant Compressible Reinforced ePTFE Pipe Gaskets.
    Made of soft expanded PTFE (ePTFE) with a stainless steel insert for added strength, these gaskets are stronger and can hold their shape better than gaskets without an insert. They’re chemically inert (except to molten alkali metal and fluorine compounds) and compressible to ensure a tight seal. Also known as ring gaskets, use them with raised-surface pipe flanges; they fit the surface inside the bolt holes and do not interfere with the bolt connection. Gaskets are compatible with low-pressure pipe flanges; all gasket specifications are sized to meet ANSI standards.
    Plain-Back Gaskets for ANSI Flanges
    1/8" Thick
    For Pipe
    Size
    ID
    OD
    Max. Pressure,
    psi
    Temp. Range,
    ° F
    Hardness
    Color
    Each
    For ANSI Class 150
    1/2
    27/32"1 7/8"1,000-150 to 350Not RatedWhite1085N11000000
    3/4
    1 1/16"2 1/4"1,000-150 to 350Not RatedWhite1085N1200000
    1
    1 5/16"2 5/8"1,000-150 to 350Not RatedWhite1085N1300000
    1 1/2
    1 29/32"3 3/8"1,000-150 to 350Not RatedWhite1085N1400000
    2
    2 3/8"4 1/8"1,000-150 to 350Not RatedWhite1085N1500000
    3
    3 1/2"5 3/8"1,000-150 to 350Not RatedWhite1085N16000000
    4
    4 1/2"6 7/8"1,000-150 to 350Not RatedWhite1085N17000000
    6
    6 5/8"8 3/4"1,000-150 to 350Not RatedWhite1085N18000000
     
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