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    PGZ-GRMU2 Series Explosion-Proof Loudspeakers

    PGZ-GRMU2 Series Explosion-Proof Loudspeakers Explosion-proof loudspeakers of the PGZ-GRMU2 series - image 2 Explosion-proof loudspeakers of the PGZ-GRMU2 series - image 3

    Product Description

    PGZ-GRMU2 series explosion-proof loudspeakers are designed to emit an audible signal to warn personnel of an emergency and are placed in stationary installations and on mobile vehicles in explosion-hazardous areas.

    Advantages

    • Certified equipment ensuring safety and uninterrupted operation.
    • Using a high sound pressure level alarm allows for a reduction in the total number of alarms on site.
    • Power 5, 15, 25 W.
    • The maximum sound pressure level is 110 dB.

    Frequently bought together

    PGSK-MODULE Audible-Visual Signaling Devices
    PGS-VSPYSHKA Visual Signaling Devices
    PGS-SIGNAL Visual Signaling Devices
    PKIVA 1-, 2-, 3-Gang Control and Indicating Stations
    KKVA Terminal Boxes
    KNV for Unarmored Cable
    KOV for Armored Cable

    Compliance with standards

    GOST 12.2.007.0-75
    GOST 14254-2015
    GOST 24754-2013
    GOST 30852.20-2002
    GOST 31610.0-2014 (IEC 60079-0:2011)
    GOST IEC 60079-1-2013
    GOST R IEC 60079-7-2012
    GOST 31610.11-2014 (IEC 60079-11:2011)
    GOST R IEC 60079-18-2012
    GOST IEC 60079-31-2013
    GOST 22782.3-77
    GOST IEC 60079-14-2013
    TR CU 012/2011
    TR CU 004/2011
    TR CU 020/2011
    GOST IEC 60065-2013
    GOST EN 55103-1-2013
    GOST 32136-2013
    GOST 30546.1-98
    GOST 30546.2-98
    GOST 30546.3-98

    Certificates

    EAEU RU C-RU.AA87.B.01557/25
    EAEU N RU D-RU.PA11.V.91631/25
    ROSS RU C-RU.MY62.V.00095/23
    RU.OC VSST 0181-12-2023
    TU 27.90.20-038-72453807-2017
    GOST R ISO 9001-2015

    Markings

    Explosion protection marking
    1Ex db IIC T6…T5 Gb Х
    Ex tb IIIC T80°С...T100°С Db Х
    Marking of mining equipment
    RN1
    RN2
    Degree of protection
    IP66
    IK08
    Installation
    Category II for gas subgroups IIA, IIB, IIC, zones 1, 2;
    Category III for dust, explosive dust atmospheres containing volatile particles, non-conductive and conductive dust;
    Underground workings that are not hazardous for gas (methane) and coal dust

    Technical data

    Ambient temperature, °C
    -60…+60 (T5/T100⁰C)
    -60…+40 (T6/T80⁰C)
    -60...+60 (for normal mine and general industrial designs)
    Power, W
    5, 15, 25
    Thread on the connecting hole
    Metric M25x1.5 GOST 24705-2004
    Coating
    Antistatic polymer-epoxy coating, friction-proof, spark-proof, resistant to working environments and ionizing radiation.
    Sealing
    Hydrocarbon-resistant ethylene-propylene-diene rubber
    Enclosure material
    Lightweight aluminum alloy
    Maximum sound pressure level, dB
    110
    Protection class against electric shock
    I
    Weight, kg
    2.8 (16 Ohm version); 3.2 (100 V version)
    Climatic category
    NF1 (as required NF2, NF3, NF4, NF5, HL1, HL2, HL3, HL5, T1, T2, T3, T5, MU1, MU2, MU3, MU4, W2.1 , W5 )

    Design parameters

    PGZ-GRMU2 with a fixed impedance value of 16 Ohm

    PGZ-GRMU2 with a fixed impedance value of 16 Ohm

    Low-impedance loudspeakers designed to operate with low-voltage powered equipment.



    PGZ-GRMU2 with a fixed voltage value of 100V

    PGZ-GRMU2 with a fixed voltage value of 100V

    Transformer-powered loudspeakers for public address systems are effective in large spaces. They can be installed several hundred meters away from a power amplifier (also with a transformer output) without signal loss.

    Options

    Options, accessories and versions
    Marking
    Painting the outer surface in the color according to the customer's requirements
    /RAL (code)
    Marine version
    /MORE
    Earthquake-resistant design
    /MSHK-64
    A plate with the customer's inscription
    /NADPIS "_"
    Non-explosion-proof design
    /PROM
    Mining normal design
    /RN
    Mounting bracket
    /BRACKET
    Option Correspondence Table
    PROM RAL SEA BRACKET INSCRIPTION MSHK-64 RN
    RAL +
    SEA + +
    BRACKET + + +
    INSCRIPTION + + + +
    MSHK-64 + + + + +
    RN + + - + + +

    Additional information

    Submit request

    Configurator
    Power, W:
    Quantity
    Additional description
    0 / 300

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    Model Breakdown
    PGZ-GRMU2 - 1X - 2X - 3X / 4X – TU 27.90.20-038-72453807-2017
    1X - Power W: 5, 15 or 25
    2X - Version: 16 (16 Ohm); 100 (100V)
    3X - Cable entry size
    4X - Options, accessories and versions

    Example: PGZ-GRMU2-25-100-KNV2N-TU 27.90.20-038-72453807-2017

    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