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    Explosion-proof fitting connections TSVNA

    Explosion-proof fitting connections TSVNA Explosion-proof fitting connections TSVNA - image 2

    Product Description

    TSVNA is an explosion-proof fitting with one internal and one external thread designed for sealed connections of equipment, terminal boxes, and electrical conduits in hazardous areas. Its three independently rotating elements allow for connection without twisting the conduits, significantly simplifying and speeding up installation.

    Advantages

    • Wide temperature range and climatic versions - operation from -60 °C to +250 °C (including special cold versions down to -75 °C)
    • Versatility of execution – various materials are available (aluminum alloy, nickel-plated brass, stainless steel), threaded options (NPT, M, G), as well as additional accessories and climatic versions.

    Frequently bought together

    TSNNA Fitting Connections
    TSVVA Fitting Connections
    NVN Explosion-Proof Nipples
    NVV Thread Adapters

    Compliance with standards

    GOST IEC 60079-1-2013
    GOST IEC 60079-31-2013
    TR CU 012/2011
    GOST 31610.0-2019 (IEC 60079-0:2017)
    GOST 31610.7-2017 (IEC 60079-7:2015)
    GOST 31610.15-2020 (IEC 60079-15:2017)

    Certificates

    EAEU RU C-RU.AA87.B.01595/26
    IECEx CCVE 18.0014X
    EESF 19 ATEX 025X
    Maritime Register STO No. 25.44.01.13829.120
    TU 27.33.13-031-72453807-2017
    GOST R ISO 9001-2015

    Markings

    Explosion protection marking
    1Ex db IIC Gb
    1Ex db IIB Gb
    1Ex eb IIC Gb
    Ex tb IIIC Db
    Ex db IIC Gb
    U Ex db IIB Gb
    U Ex eb IIC Gb U
    Ex nR IIC Gc U
    Ex tb IIIC Db U
    Marking of mining equipment
    PB Ex db I Mb
    RP Ex eb I Mc
    Ex db I Mb U
    Ex eb I Mc U
    Degree of protection
    IP66/IP67/IP68
    IK10

    Technical data

    Ambient temperature, °C
    -60…+250
    -75…+250 (for execution /HOLOD)
    Thread
    Code N conical inch NPT
    Code M metric GOST 24705
    Code G pipe cylindrical GOST 6357-81
    Material
    Nickel-plated brass, resistant to hydrogen sulfide vapors, hydrochloric acid and sea fog code НК
    Stainless steel code Н
    Galvanized steel code О
    Climatic category
    NF1 (as required NF2, NF3, NF4, NF5, HL1, HL2, HL3, HL5, MU1, MU2, MU3, MU4, W2.1 , W5 )

    Design parameters

    Overall dimensions of TSVNA

    TSVNA fittings, tapered inch NPT thread
    Standard size Thread Overall dimensions, mm Cable opening, Ød mm Weight, kg
    AC1 AC2 AC3 ØM WITH
    TSVNA1N 1/2" 32 30 24 36 92 13 0,3
    TSVNA2N 3/4" 36 36 29 40 95 19 0,4
    TSVNA3N 1" 46 41 36 52 99 24 0,6
    TSVNA4N 1 1/4" 60 60 48 67 107 32 1,2
    TSVNA5N 1 1/2" 70 67 55 78 107 38 1,6
    TSVNA6N 2" 85 75 67 95 109 50 2,1
    TSVNA7N 2 1/2" 100 100 85 109 129 60 3,7
    TSVNA8N 3" 115 110 98 125 129 75 4,1
    TSVNA fittings, metric thread GOST 24705 M
    Standard size Thread Overall dimensions, mm Cable opening, Ød mm Weight, kg
    AC1 AC2 AC3 ØM WITH
    TSVNA1M M20x1.5 32 30 24 36 93 13 0,3
    TSVNA2M M25x1.5 36 36 29 40 94 19 0,4
    TSVNA3M M32x1.5 46 41 36 52 94 24 0,5
    TSVNA4M M40x1.5 60 60 48 67 102 32 1,1
    TSVNA5M M50x1.5 70 67 55 78 102 38 1,5
    TSVNA6M M63x1.5 85 75 67 95 104 50 2
    TSVNA7M M75x1.5 100 100 85 109 117 60 3,5
    TSVNA8M M90x1.5 115 110 98 125 117 75 4

    Options

    Options, accessories and versions
    Marking
    Stainless steel grade 03Х17Н13М2 according to GOST 5632-2014 (316L)
    /316L
    Locknut (cylindrical and metric threads)
    /KG
    Marine version
    /MORE
    Non-explosion-proof design
    /PROM
    External sealing ring to maintain tightness (cylindrical and metric threads)
    /UKF
    Design for minimum operating temperature of -75°C
    /HOLOD

    3D models

    STP models
    zip
    Download

    Additional information

    Submit request

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    Additional description
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    Model Breakdown
    1X 2X 3X 4X / 5X – TU 27.33.13-031-72453807-2017
    1X - Element type: TSVNA
    2X - Size*
    3X - Thread type: NPT tapered inch - N; Metric GOST 24705 - M; Cylindrical pipe GOST 6357-81 - G
    4X - Material: Nickel-plated brass - NK; Stainless steel - H; Galvanized steel – O
    5X - Options, accessories and versions

    * Combinations of threads of different sizes are possible.

    EXAMPLE: TSVNA7MN-TU 27.33.13-031-72453807-2017

    Where to buy GORELTEX products

    Saint Petersburg

    Head office and production site

    Telephone
    8 (800) 100-100-4
    Address
    193149, Leningrad region, Vsevolozhsk district, Novosaratovka village, Rabochaya street, house 9, building 1
    Read more

    Moscow

    Sales office

    Telephone
    +7 (495) 989-80-09
    Address
    123112, Moscow, Presnenskaya Embankment, 6, building 2, business complex "Imperia Tower", floor 12, office No. 15
    Read more

    Kazan

    Sales office

    Telephone
    +7 (843) 231-82-20
    Address
    420061, Russia, Republic of Tatarstan, Kazan, st. Nikolay Ershova, 1A, Korston Business Center, floor 11, office No. 1110
    Read more

    Tyumen

    Sales office and production site

    Telephone
    +7 (3452) 55-03-55
    Address
    625031, Russia, Tyumen, Shcherbakova St., 160G
    Read more