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    36 Products

    Gauge Siphon Tubes
    3D CAD models available

    Image of Product. A. Front orientation. Contains Annotated. Gauge Siphon Tubes. Style A.
    Image of Product. B. Front orientation. Contains Annotated. Gauge Siphon Tubes. Style B.
    Image of Product. C. Front orientation. Contains Annotated. Gauge Siphon Tubes. Style C.
    Image of Product. D. Front orientation. Contains Annotated. Gauge Siphon Tubes. Style D.

    A

    B

    C

    D

    Also known as pigtails, these siphon tubes protect dry gauges from steam and high-temperature fluids. Add water to the tube to create a protective barrier between your gauge and process media.
    NPT Male Connections
    Image of Product. A. Front orientation. Contains Annotated. Gauge Siphon Tubes. Style A.

    A

    Image of Product. B. Front orientation. Contains Annotated. Gauge Siphon Tubes. Style B.

    B

    Image of Product. C. Front orientation. Contains Annotated. Gauge Siphon Tubes. Style C.

    C

    Style C—Style C requires less maintenance than Styles A, B, and D because the extra bends prolong water retention.
    Style
    Pipe
    Size
    Length
    Maximum Pressure @
    Temperature
    Specifications
    Met
    Each
    Brass
    A1/4
    4"240 psi @ 400° FASTM B434031K28$11.46
    A1/4
    4"1,000 psi @ 400° FASTM B434031K6815.18
    A1/4
    5 5/8"240 psi @ 400° FASTM B434031K6513.01
    A1/4
    5 5/8"1,000 psi @ 400° FASTM B434031K6116.02
    B1/4
    6 1/2"240 psi @ 400° FASTM B434031K6616.78
    B1/4
    6 1/2"1,000 psi @ 400° FASTM B434031K6316.62
    C1/4
    7 1/2"240 psi @ 400° FASTM B434031K6715.26
    C1/4
    7 1/2"1,000 psi @ 400° FASTM B434031K6420.71
     
    304 Stainless Steel
    A1/4
    5 1/2"1,500 psi @ 700° FASTM A3124031K2675.86
    A1/4
    5 1/2"440 psi @ 750° FASTM A3124031K7137.93
     
    316 Stainless Steel
    A1/4
    5 1/2"450 psi @ 750° FASTM A3124965K3545.71
    A1/2
    8 7/8"730 psi @ 800° FASTM A3124965K36109.71
    A1/2
    8 7/8"1,500 psi @ 800° FASTM A3124965K67181.71
    B1/4
    6 1/2"450 psi @ 750° FASTM A3124965K3757.14
    B1/2
    10"730 psi @ 800° FASTM A3124965K38137.14
    C1/4
    7 1/4"450 psi @ 750° FASTM A3124965K3957.14
    C1/2
    12"730 psi @ 800° FASTM A3124965K42137.14
     
    Seamless Steel
    A1/4
    5 1/2"580 psi @ 750° FASTM A106 Grade B4031K2156.90
    A1/4
    5 1/2"2,000 psi @ 750° FASTM A106 Grade B4031K5172.41
    A1/2
    8 7/8"1,000 psi @ 700° FASTM A106 Grade B4031K8265.52
    A1/2
    8 7/8"1,700 psi @ 800° FASTM A106 Grade B4031K8379.31
    B1/4
    6 1/2"580 psi @ 750° FASTM A106 Grade B4031K2368.28
    B1/4
    6 1/2"2,000 psi @ 750° FASTM A106 Grade B4031K5386.21
    C1/4
    7 1/4"580 psi @ 750° FASTM A106 Grade B4031K2468.28
    C1/4
    7 1/4"2,000 psi @ 750° FASTM A106 Grade B4031K5486.21
     
    Welded Steel
    A1/4
    5 1/2"300 psi @ 400° FASTM A53 Type F4031K1110.17
    A1/4
    5 1/2"1,000 psi @ 400° FASTM A53 Type F4031K4172.41
    A1/2
    8 7/8"1,000 psi @ 400° FASTM A53 Type F4031K8179.31
    B1/4
    6 1/2"300 psi @ 400° FASTM A53 Type F4031K1324.00
    B1/4
    6 1/2"1,000 psi @ 400° FASTM A53 Type F4031K4386.21
    C1/4
    7 1/4"300 psi @ 400° FASTM A53 Type F4031K1432.90
    C1/4
    7 1/4"1,000 psi @ 400° FASTM A53 Type F4031K4486.21
     
    NPT Female × NPT Male Connections
    Image of Product. D. Front orientation. Contains Annotated. Gauge Siphon Tubes. Style D.

    D

    Style
    Pipe
    Size
    Length
    Maximum Pressure @
    Temperature
    Specifications
    Met
    Each
    Brass
    D1/4 × 1/44"240 psi @ 400° FASTM B434031K31$12.02
    D1/4 × 1/44"1,000 psi @ 400° FASTM B434031K3218.61
    D1/4 × 1/45 1/2"240 psi @ 400° FASTM B434031K3315.89
    D1/4 × 1/45 1/2"1,000 psi @ 400° FASTM B434031K3425.50
     
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