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    NVV series transition coupling

    NVV series transition coupling

    Product Description

    NVV is an explosion-proof transition coupling for connecting equipment and elements of piping of the same diameter in hazardous areas.
    Maintains a secure connection between pipework elements without loss of tightness and protection level

    Frequently bought together

    TUG Elbow Fittings
    NVN Explosion-Proof Nipples
    TEG1 Pull Fittings
    AV Adapters

    Compliance with standards

    GOST 31610.0-2014 (IEC 60079-0:2011)
    GOST IEC 60079-1-2013
    GOST R IEC 60079-7-2012
    GOST 3160.15-2014 /IEC 60079-15:2010
    GOST IEC 60079-31-2013
    GOST 24754-2013
    GOST 12.2.007.0-75
    TR CU 012/2011

    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 eb IIC Gb
    2Ex nR IIC Gc
    Ex tb IIIC Db
    Ex db IIC 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 R pipe conical GOST 6211-81
    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

    EM Series Transition Coupling

    Standard size Thread, M H min., mm Weight, kg
    HVV02 M12X1.5 33 0,03
    HVV01 M16X1.5 33 0,05
    HVV1 M20X1.5 37 0,09
    HVV2 M25X1.5 37 0,08
    HVV3 M32X1.5 47 0,15
    HVV4 M40X1.5 47 0,27
    HB W5 M50X1.5 47 0,27
    HVV6 M63X1.5 47 0,45
    HVV7 M75X1.5 50 0,65
    HVV8 M90X1.5 50 0,80
    HVV10 M100X1.5 50 1,0

    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
    NBB 1X 2X 3X / 4X – TU 27.33.13-031-72453807-2017
    1X - Standard size
    2X - Thread type: NPT tapered inch - N; Metric GOST 24705 - M;
    Tapered pipe GOST 6211-81 - R; Cylindrical pipe GOST 6357-81 - G
    3X - Material: Nickel-plated brass - NK; Stainless steel - H; Galvanized steel code - O
    4X - Options, accessories and versions

    EXAMPLE: НВВ3МН-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