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China manufactuere explosionproof telephone



1 ~ 300 / Piece ( Negotiable ) Get Latest Price


1 per Piece

1 Piece


20 days

2000 Piece per Month

T/T, L/C, Western Union, Money Gram

industrial telephone

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Product Specification

defendent grade : IP66 installation : wall mounted ambient temperature : -30-+60â relative humidity : <95% call effective distance : 6km atmospheric pressure : 80-110kpa

Product Description

Joiwo highly impact resistant explosion proof telephone  


1) Explosion-proof mark: Exde [ib] ib II BT6 DIP A20 TA, T6 [EX explosion-proof mark, DIP is dust proof mark, do both]

2) Suitable for explosive gas atmospheres Zone 1 and Zone 2

3) Can be used in explosive gas atmosphere IIA  IIB  IIC* etc rough area 

4)  Can be used in flammable dust atmosphere 20 zone 21 zone 22zone etc rough area 

5)  Suitable for T1-T6 temperature classes.

6) Can be used in petrolextraction,petroleum refining, chemical industry, military industry etc dangerous area. Meanwhike, it can be used in offshore platform, oil 5tanker and so on.

7) can be used in highly noise area above those environment especially.

8) ip67 defend telephone telephone system

9) unique telephones  wall mounted  mining telephone 

10) rugged  mining telephone,  unique telephones 

11) explosion proof telephone


1) Shell of the explosion-proof telephone made of si-aluminium alloy with high  temperature ,electrostatic plastic sprayed surface. good impact resistance.      

2) The telephone adopt stainless steel keypad, which contact resistance≤30ohm,life cycle≥2 million,push force 160-   200grams,defend grade is up to IP67, good hand feeling.

3)Handle adopts imported Pc engineer material, thermostability of the PTFE wire .military noise cancelling microphone.Clear conversation in 115 dB enviroment .

4) Hook adopts magnetic induction switch, life cycle ≥500 thousand Increased safety terminal compartment, to ensure that products explosion-proof and electrical properties.

5) Using integral design faith,integrate basic conversation  ciruit , noise removal circuit.power amplifying ciruit and power cicuitand protection circuit etc. 

 These electronic components of the product adopt famous imported brand and selected by high and low temperature aging test.

6) The telephone network is flexible ,can be setted of its extension set arbitrarily,

    numbers can be changed random . it can add or decrease anytime without restriction . 

     Each telephone is the independent workstation, will break downnot to interfere with the overall system work.

7) Can be set function of amplification call directly or after sevral ring ( 1 to 7 voice can be set ) ,

     or more ring (it can be ring according to the offer of the exchange)    This system with  function of general calling (hundreds reponse to a single call ).

technical parameter

defend degree   IP 66
 EX mark   Exde[ib]ib II BT6 DIP A20 TA,T6
 output voltage   AC220V 50Hz
 working current    ≤0.2A
 frenquency respose    250~3000 Hz
 ambient temperature   -40~+60°C
 atmospheric pressure   80~110KPa
 relative humidity    ≤95%
 amplify output power    10~25W continuosly adjustable
 size   343X294X206mm
 weight   12Kg
 installation   wall-mounted 


First, the phone casing

1)  alloy shell, 800 tons die casting machine casting, the wall thickness of 6mm, weighs about 8KG, high mechanical strength and impact resistance.

2)  shell surface temperature electrostatic spray, antistatic ability is good. Eye-catching colors, 10 years without fading

3)  phone casing patented design requires no separate waterproof cover, beautiful and practical, Patent No.: 1,581,443

4)  shell explosion Waterproof grade: IP65, waterproof and corrosion-proof

Two key components:

5) telephone internal circuit by the Division I independent research and development, the use of internationally-sided integrated circuit, with hair the exact number, call clear, stable and so on.

6)  key components handle, hanging fork, keyboard by the company's own production, strict quality control, sale and fast response

7)  Product keyboard for the Division I patented design, the panel of stainless steel, zinc alloy keys, the contact resistance ≤ 30 ohms, life ≥ 200 million times, pushing the intensity 160-200 grams. Patent No.: 1,754,789

8)  professional waterproof handle, imported PC-proof plastic, Teflon wire, using industrial-grade anti-noise microphone, call clarity in 115dB environment. This handle through international CE certification. CE Certificate Number: PS2010120310-2

9)  products made of zinc alloy fork hanging magnetic sensor switch, life ≥ 50 million times
how to use

1) the same as normal telephone

2) The explosion proof  telephone is generally matched with anti-explosion junction box, anti-explosion publicaddress, anti-explosion amplifier and indoor telephone, all of which we manufactured by ourselves and forming a program dispatch anti-explosion public-address communication systems.and the connection schematic diagram is as follows:

the systemic function feature _.jpg

1, the system must be supporting the use of exchanger 

2, all the extension in the systems are avalilable to communication outside through the sysytem exchanger.

3, two-tone dialing system through the keyboard 

4, automatic channel conversation 

5, it can be set parts of outside lines which call in or call out restrict, all the numbers are set by the exchanger

6, single call function 

7, if the phone is not dialed  in 5 seconds, you must pick up the handset dialing again, broadcast to find someone more than 60 seconds, you will hear a busy tone, and you must start again.


Contact Us

Contact Person :Ms. Sandala

Company:Ningbo Joiwo explosionproof Science Technology Co., Ltd

Address:Lanjiang, Ningbo, Zhejiang, China,315400


Ms. Sandala < Ningbo Joiwo explosionproof Science Technology Co., Ltd >
I want to know:

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