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    142 Products

    Tubular Gauge Glass

    Image of Product. Glass. Front orientation. Gauge Glass. Tubular Gauge Glass.
    Image of Product. Front orientation. Gauge Glass. Tubular Gauge Glass, Glass with a Red Line.

    Glass

    Glass with a Red

    Line

    Replace existing gauge glass or combine with valves and guard rods to build your own level indicator. Cut to size with a glass tube cutter (not included).
    Glass with a Red Line—Glass with a red line emphasizes the liquid level so it’s easier to read.
    Gauge Glass
    Glass with a Red Line
    Temp.
    Max. Pressure
    Each
    Max. Pressure
    Each
    Lg.
    Wall
    Thk.
    Min.
    Max.,
    ° F
    Liquid
    Steam
    1-5
    6-Up
    Liquid
    Steam
    1-5
    6-Up
    1/2" OD
    8"5/64"Not Rated425460 psi @ 150° F340 psi @ 425° F3723K1100000000000390 psi @ 150° F300 psi @ 425° F3728K11000000000000
    9"5/64"Not Rated425445 psi @ 150° F335 psi @ 425° F3723K12000000000370 psi @ 150° F295 psi @ 425° F3728K120000000000
    10"5/64"Not Rated425445 psi @ 150° F335 psi @ 425° F3723K130000000000370 psi @ 150° F295 psi @ 425° F3728K130000000000
    11"5/64"Not Rated425435 psi @ 150° F325 psi @ 425° F3723K140000000000360 psi @ 150° F295 psi @ 425° F3728K140000000000
    12"5/64"Not Rated425435 psi @ 150° F325 psi @ 425° F3723K150000000000360 psi @ 150° F295 psi @ 425° F3728K150000000000
    13"5/64"Not Rated425415 psi @ 150° F315 psi @ 425° F3723K160000000000345 psi @ 150° F290 psi @ 425° F3728K160000000000
    14"5/64"Not Rated425415 psi @ 150° F315 psi @ 425° F3723K170000000000345 psi @ 150° F290 psi @ 425° F3728K170000000000
    15"5/64"Not Rated425405 psi @ 150° F310 psi @ 425° F3723K180000000000335 psi @ 150° F285 psi @ 425° F3728K180000000000
    16"5/64"Not Rated425400 psi @ 150° F300 psi @ 425° F3723K190000000000335 psi @ 150° F285 psi @ 425° F3728K190000000000
    17"5/64"Not Rated425385 psi @ 150° F295 psi @ 425° F3723K210000000000325 psi @ 150° F280 psi @ 425° F3728K210000000000
    18"5/64"Not Rated425385 psi @ 150° F295 psi @ 425° F3723K220000000000325 psi @ 150° F280 psi @ 425° F3728K220000000000
    20"5/64"Not Rated425375 psi @ 150° F285 psi @ 425° F3723K240000000000310 psi @ 150° F280 psi @ 425° F3728K240000000000
    22"5/64"Not Rated425355 psi @ 150° F280 psi @ 425° F3723K260000000000280 psi @ 150° F270 psi @ 425° F3728K260000000000
    23"5/64"Not Rated425340 psi @ 150° F270 psi @ 425° F3723K270000000000280 psi @ 150° F270 psi @ 425° F3728K270000000000
    24"5/64"Not Rated425340 psi @ 150° F270 psi @ 425° F3723K280000000000280 psi @ 150° F270 psi @ 425° F3728K280000000000
    30"5/64"Not Rated150295 psi @ 150° FNot Rated3723K290000000000250 psi @ 150° FNot Rated3728K290000000000
    36"5/64"Not Rated150260 psi @ 150° FNot Rated3723K310000000000215 psi @ 150° FNot Rated3728K310000000000
    42"5/64"Not Rated150205 psi @ 150° FNot Rated3723K320000000000175 psi @ 150° FNot Rated3728K320000000000
    48"5/64"Not Rated150205 psi @ 150° FNot Rated3723K330000000000175 psi @ 150° FNot Rated3728K330000000000
     
    5/8" OD
    8"3/32"Not Rated425435 psi @ 150° F320 psi @ 425° F3724K110000000000370 psi @ 150° F280 psi @ 425° F3729K110000000000
    9"3/32"Not Rated425420 psi @ 150° F315 psi @ 425° F3724K120000000000345 psi @ 150° F275 psi @ 425° F3729K120000000000
    10"3/32"Not Rated425420 psi @ 150° F315 psi @ 425° F3724K130000000000345 psi @ 150° F275 psi @ 425° F3729K130000000000
    11"3/32"Not Rated425410 psi @ 150° F305 psi @ 425° F3724K140000000000335 psi @ 150° F275 psi @ 425° F3729K140000000000
    12"3/32"Not Rated425410 psi @ 150° F305 psi @ 425° F3724K150000000000335 psi @ 150° F275 psi @ 425° F3729K150000000000
    13"3/32"Not Rated425390 psi @ 150° F295 psi @ 425° F3724K160000000000325 psi @ 150° F270 psi @ 425° F3729K160000000000
    14"3/32"Not Rated425390 psi @ 150° F295 psi @ 425° F3724K170000000000325 psi @ 150° F270 psi @ 425° F3729K170000000000
    15"3/32"Not Rated425380 psi @ 150° F290 psi @ 425° F3724K180000000000315 psi @ 150° F265 psi @ 425° F3729K180000000000
    16"3/32"Not Rated425375 psi @ 150° F285 psi @ 425° F3724K190000000000315 psi @ 150° F265 psi @ 425° F3729K190000000000
    17"3/32"Not Rated425360 psi @ 150° F280 psi @ 425° F3724K210000000000305 psi @ 150° F260 psi @ 425° F3729K610000000000
    18"3/32"Not Rated425360 psi @ 150° F280 psi @ 425° F3724K220000000000305 psi @ 150° F260 psi @ 425° F3729K220000000000
    20"3/32"Not Rated425350 psi @ 150° F270 psi @ 425° F3724K240000000000290 psi @ 150° F260 psi @ 425° F3729K240000000000
    22"3/32"Not Rated425335 psi @ 150° F265 psi @ 425° F3724K260000000000265 psi @ 150° F250 psi @ 425° F3729K260000000000
    23"3/32"Not Rated425320 psi @ 150° F255 psi @ 425° F3724K270000000000265 psi @ 150° F250 psi @ 425° F3729K270000000000
    24"3/32"Not Rated425320 psi @ 150° F255 psi @ 425° F3724K280000000000265 psi @ 150° F250 psi @ 425° F3729K280000000000
    30"3/32"Not Rated150280 psi @ 150° FNot Rated3724K290000000000235 psi @ 150° FNot Rated3729K290000000000
    36"3/32"Not Rated150245 psi @ 150° FNot Rated3724K310000000000205 psi @ 150° FNot Rated3729K710000000000
    42"3/32"Not Rated150195 psi @ 150° FNot Rated3724K320000000000165 psi @ 150° FNot Rated3729K320000000000
    48"3/32"Not Rated150195 psi @ 150° FNot Rated3724K330000000000165 psi @ 150° FNot Rated3729K330000000000
     
    3/4" OD
    8"7/64"Not Rated425425 psi @ 150° F315 psi @ 425° F3725K110000000000360 psi @ 150° F280 psi @ 425° F3730K110000000000
    9"7/64"Not Rated425410 psi @ 150° F310 psi @ 425° F3725K120000000000340 psi @ 150° F275 psi @ 425° F3730K120000000000
    10"7/64"Not Rated425410 psi @ 150° F310 psi @ 425° F3725K130000000000340 psi @ 150° F275 psi @ 425° F3730K130000000000
    11"7/64"Not Rated425400 psi @ 150° F300 psi @ 425° F3725K140000000000330 psi @ 150° F275 psi @ 425° F3730K140000000000
    12"7/64"Not Rated425400 psi @ 150° F300 psi @ 425° F3725K150000000000330 psi @ 150° F275 psi @ 425° F3730K150000000000
    13"7/64"Not Rated425385 psi @ 150° F290 psi @ 425° F3725K160000000000320 psi @ 150° F270 psi @ 425° F3730K160000000000
    14"7/64"Not Rated425385 psi @ 150° F290 psi @ 425° F3725K170000000000320 psi @ 150° F270 psi @ 425° F3730K170000000000
    15"7/64"Not Rated425375 psi @ 150° F285 psi @ 425° F3725K180000000000310 psi @ 150° F265 psi @ 425° F3730K180000000000
    16"7/64"Not Rated425370 psi @ 150° F280 psi @ 425° F3725K190000000000310 psi @ 150° F265 psi @ 425° F3730K190000000000
    17"7/64"Not Rated425355 psi @ 150° F275 psi @ 425° F3725K210000000000300 psi @ 150° F260 psi @ 425° F3730K210000000000
    18"7/64"Not Rated425355 psi @ 150° F275 psi @ 425° F3725K220000000000300 psi @ 150° F260 psi @ 425° F3730K220000000000
    20"7/64"Not Rated425345 psi @ 150° F265 psi @ 425° F3725K240000000000285 psi @ 150° F260 psi @ 425° F3730K240000000000
    22"7/64"Not Rated425330 psi @ 150° F260 psi @ 425° F3725K260000000000260 psi @ 150° F250 psi @ 425° F3730K260000000000
    23"7/64"Not Rated425315 psi @ 150° F250 psi @ 425° F3725K270000000000260 psi @ 150° F250 psi @ 425° F3730K270000000000
    24"7/64"Not Rated425315 psi @ 150° F250 psi @ 425° F3725K280000000000260 psi @ 150° F250 psi @ 425° F3730K280000000000
    30"7/64"Not Rated150275 psi @ 150° FNot Rated3725K290000000000230 psi @ 150° FNot Rated3730K290000000000
    36"7/64"Not Rated150240 psi @ 150° FNot Rated3725K310000000000200 psi @ 150° FNot Rated3730K310000000000
    42"7/64"Not Rated150190 psi @ 150° FNot Rated3725K320000000000160 psi @ 150° FNot Rated3730K320000000000
    48"7/64"Not Rated150190 psi @ 150° FNot Rated3725K330000000000160 psi @ 150° FNot Rated3730K330000000000
     

    Food and Beverage Flow Sights

    Image of Product. Front orientation. Flow Sights. Food and Beverage Flow Sights.
    Made of FDA-listed materials for use with food and beverage, these sights have sanitary quick-clamp connections and an electropolished 316 stainless steel body for easy disassembly and cleaning. They meet USP (United States Pharmacopeia) Class IV standard for food applications. Sights let you visually confirm flow and inspect liquid color and clarity. Backlight the back window to increase the visibility of dark liquids.
    Window
    For Tube
    OD
    Temp. Range,
    ° F
    Lg.
    Type
    End-to-End
    Lg.
    Ht.
    Max. Pressure
    @ Temp.
    Direction
    of Flow
    For Use With
    Food Industry Std.
    USP
    Class
    Each
    No Indicator
     
    316 Stainless Steel Body
    1/2"-20 to 3003/4"Front and Back3"1/2"150 psi @ 265° FAny DirectionFood, BeverageFDA Compliant 21 CFR 177.2600
    		IV4357K810000000
    3/4"-20 to 3001 1/8"Front and Back3 3/8"3/4"150 psi @ 265° FAny DirectionFood, BeverageFDA Compliant 21 CFR 177.2600
    		IV4357K82000000
    1"-20 to 3001 1/8"Front and Back3 1/2"1"120 psi @ 265° FAny DirectionFood, BeverageFDA Compliant 21 CFR 177.2600
    		IV4357K83000000
    1 1/2"-20 to 3001 1/2"Front and Back4 1/8"1 1/2"115 psi @ 265° FAny DirectionFood, BeverageFDA Compliant 21 CFR 177.2600
    		IV4357K84000000
    2"-20 to 3001 7/8"Front and Back4 3/4"2"100 psi @ 265° FAny DirectionFood, BeverageFDA Compliant 21 CFR 177.2600
    		IV4357K85000000
     

    Ultra-High-Vacuum Flanged Sights

    Image of Product. Front orientation. Sights. Ultra-High-Vacuum Flanged Sights.
    Add a window to your ultra-high-vacuum system. With a pane of glass sealed inside an ultra-high-vacuum CF flange, these sights bolt onto vacuum chambers, tee fittings, and manifolds. Use a copper gasket (sold separately) to create a seal. Not for use with pressure.
    Window
    Bolt
    Holes
    High-Vacuum
    Flange Size
    Flange
    OD
    High-Vacuum
    Connection Type
    Max. Vacuum @ Temp.
    Dia.
    Material
    Bolt Circle
    Dia.
    No.
    of
    Dia.
    Max. Temp.,
    ° F
    Each
    304 Stainless Steel
    161 21/64"CF1× 10^-11 Torr @ 72° F5/8"Glass1 1/16"611/64"6603993N150000000
    402 3/4"CF1× 10^-11 Torr @ 72° F1 1/2"Glass2 5/16"617/64"6603993N16000000
    634 1/2"CF1× 10^-11 Torr @ 72° F2 9/16"Glass3 5/8"821/64"6603993N17000000
    1006"CF1× 10^-11 Torr @ 72° F3 35/64"Glass5 1/8"1621/64"6603993N18000000
     
    Gaskets
    Image of Product. Front orientation. Tube Fitting Gaskets.
    Each
    For Flange
    OD
    For Tube
    OD
    Specs. Met
    1-9
    10-Up
    1 21/64"3/4"ASTM B152, ASTM F689088K510000000000
    2 3/4"1 1/2"ASTM B152, ASTM F689088K5200000000
    4 1/2"2 1/2"ASTM B152, ASTM F689088K5300000000
    6"4"ASTM B152, ASTM F689088K54000000000

    High-Vacuum Sights for Quick-Clamp Fittings

    Image of System. Sight Shown Assembled with Tube Fitting, Ring, and Clamp (All Sold Separately). Front orientation. Sights. High-Vacuum Sights for Quick-Clamp Fittings.
    Image of Product. Front orientation. Sights. High-Vacuum Sights for Quick-Clamp Fittings.

    Sight Shown Assembled with

    Tube Fitting, Ring, and

    Clamp (All Sold Separately)

    Designed with quick-clamp (KF) connections, these sights connect to a port on a high-vacuum chamber, so you can monitor what's happening inside. A sleeve seals the glass window to the body of the sight to prevent leaks. To connect to your chamber, you'll need a clamp and a ring (sold separately). Not for use in pressure applications.
    Window
    High-Vacuum
    Flange Size
    For Flange
    OD
    High-Vacuum
    Connection Type
    Max. Vacuum @ Temp.
    Dia.
    Material
    Max. Temp.,
    ° F
    Each
    304 Stainless Steel
    161.18"ISO-KF1× 10^-8 Torr @ 72° F5/8"Glass6603646N150000000
    251.57"ISO-KF1× 10^-8 Torr @ 72° F5/8"Glass6603646N16000000
    402.16"ISO-KF1× 10^-8 Torr @ 72° F1 1/4"Glass6603646N17000000
    502.95"ISO-KF1× 10^-8 Torr @ 72° F1 1/4"Glass6603646N18000000
     
    Accessories for Sights
    Clamps
    Image of Product. Clamp. Front orientation. Tube Fittings. Aluminum.

    Clamp

    For High-Vacuum
    Flange Size
    For Flange
    OD
    For Tube
    OD
    Material
    Max. Vacuum @ Temp.
    High-Vacuum
    Connection Type
    Each
    10, 161.18"1/2", 3/4"304/304L Stainless Steel, 316/316L Stainless Steel, Aluminum, Zinc Alloy1× 10^-8 Torr @ 72° FISO-KF4518K71100000
    251.57"1"304/304L Stainless Steel, 316/316L Stainless Steel, Aluminum, Zinc Alloy1× 10^-8 Torr @ 72° FISO-KF4518K7200000
    402.16"1 1/2"304/304L Stainless Steel, 316/316L Stainless Steel, Aluminum, Zinc Alloy1× 10^-8 Torr @ 72° FISO-KF4518K7300000
    502.95"2"304/304L Stainless Steel, 316/316L Stainless Steel, Aluminum, Zinc Alloy1× 10^-8 Torr @ 72° FISO-KF4518K7400000
    Rings
    Image of Product. Ring. Front orientation. Tube Fittings. 304 Stainless Steel Inner Ring.

    Ring

    For High-Vacuum
    Flange Size
    For Flange
    OD
    For Tube
    OD
    Inner Ring
    Material
    Max. Vacuum @ Temp.
    High-Vacuum
    Connection Type
    Each
    161.18"3/4"304 Stainless Steel
    		1× 10^-8 Torr @ 72° FISO-KF4518K62100000
    251.57"1"304 Stainless Steel
    		1× 10^-8 Torr @ 72° FISO-KF4518K6300000
    402.16"1 1/2"304 Stainless Steel
    		1× 10^-8 Torr @ 72° FISO-KF4518K6400000
    502.95"2"304 Stainless Steel
    		1× 10^-8 Torr @ 72° FISO-KF4518K6500000

    Flow Sights with Barbed Fittings for Water, Oil, Air, and Inert Gas

    Image of Product. Front orientation. Flow Sights. Flow Sights with Barbed Fittings for Water, Oil, Air, and Inert Gas, Ball Indicator.
    Image of Product. Front orientation. Flow Sights. Flow Sights with Barbed Fittings for Water, Oil, Air, and Inert Gas, Rotor Indicator.

    Ball Indicator

    Rotor Indicator

    Monitor liquid movement, color, and clarity in tube systems—these sights have barbed fittings that slide into soft plastic and rubber tubing. They have a clear body and an indicator that moves when flow is present, so you can visually confirm flow from a distance.
    Indicator
    For Tube ID
    Temp. Range,
    ° F
    End-to-End
    Lg.
    Ht.
    Max. Pressure
    @ Temp.
    Direction of Flow
    Material
    Color
    For Use With
    Each
    Ball Indicator
     
    Polycarbonate Body
    1/4" to 3/8"32 to 1803"2 1/4"10 psi @ 70° FBottom to Top, Left to Right, Right to Left, Top to BottomNylon
    		WhiteWater, Oil, Air, Inert Gas4218K61000000
     
    Rotor Indicator
     
    PMP Body
    1/4" to 7/16"32 to 1403 1/2"1 9/16"20 psi @ 70° FBottom to Top, Left to Right, Right to Left, Top to BottomPolypropylene
    		BlueWater, Mineral Oil, Air, Inert Gas4218K6300000
     
    Polystyrene Body
    3/16" to 1/4"0 to 1902"1"10 psi @ 70° FBottom to Top, Left to Right, Right to Left, Top to BottomPolystyreneBlueWater, Oil, Air, Inert Gas4218K6200000
     
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