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    16 Products

    Thermocouple and RTD Protection Tubes

    Image of Product. Front orientation. Contains Annotated. Thermocouple and RTD Protection Tubes.
    Designed for use with thermocouples and RTDs in large, nonpressurized tanks, these protection tubes are available in long lengths at a lower cost than thermowells.
    Steel—Steel protection tubes are more durable than ceramic protection tubes.
    316 Stainless Steel—316 stainless steel protection tubes are more durable than ceramic protection tubes. They are extremely resistant to corrosive chemicals, and they can handle higher temperatures than steel protection tubes.
    Ceramic—Ceramic protection tubes withstand temperatures nearly twice as high as 316 stainless steel protection tubes.
    Thermowell
    Connection
    Conduit
    Connection
    Tube
    Pipe
    Size
    Thread
    Type
    Gender
    Pipe
    Size
    Thread
    Type
    Gender
    Max. Temp.,
    ° F
    Insertion
    Lg.
    For Max.
    Probe Dia.
    Overall
    Lg.
    Inner
    Dia.
    Outer
    Dia.
    Each
    Steel
    1/4
    NPT
    Male1/2
    NPT
    Male1,00010 1/4"3/8"12"3/8"9/16"3822K31000000
    1/2
    NPT
    Male3/4
    NPT
    Male1,00010 1/4"1/2"12"5/8"7/8"3822K3400000
    1/2
    NPT
    Male3/4
    NPT
    Male1,00016 1/4"1/2"18"5/8"7/8"3822K3500000
    1/2
    NPT
    Male3/4
    NPT
    Male1,00022 1/4"1/2"24"5/8"7/8"3822K36000000
    3/4
    NPT
    Male1
    NPT
    Male1,00010 1/4"3/4"12"7/8"1 1/16"3822K3700000
     
    316 Stainless Steel
    1/4
    NPT
    Male1/2
    NPT
    Male1,70010 1/4"3/8"12"3/8"9/16"3822K41000000
    1/4
    NPT
    Male1/2
    NPT
    Male1,70016 1/4"3/8"18"3/8"9/16"3822K42000000
    1/4
    NPT
    Male1/2
    NPT
    Male1,70022 1/4"3/8"24"3/8"9/16"3822K43000000
    1/2
    NPT
    Male3/4
    NPT
    Male1,70010 1/4"1/2"12"5/8"7/8"3822K44000000
    1/2
    NPT
    Male3/4
    NPT
    Male1,70016 1/4"1/2"18"5/8"7/8"3822K45000000
    1/2
    NPT
    Male3/4
    NPT
    Male1,70022 1/4"1/2"24"5/8"7/8"3822K46000000
    3/4
    NPT
    Male1
    NPT
    Male1,70016 1/4"3/4"18"7/8"1 1/16"3822K48000000
    3/4
    NPT
    Male1
    NPT
    Male1,70022 1/4"3/4"24"7/8"1 1/16"3822K49000000
     
    Ceramic
    1/2
    NPT
    Male3/4
    NPT
    Male3,10011 1/4"7/16"13 1/8"7/16"11/16"3822K1100000
    1/2
    NPT
    Male3/4
    NPT
    Male3,10017 1/4"7/16"19 1/8"7/16"11/16"3822K1200000
    1/2
    NPT
    Male3/4
    NPT
    Male3,10023 1/4"7/16"25 1/8"7/16"11/16"3822K1300000
     
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