Hengwang Mining and Rock Drilling Machinery Co

Junction box for mine safety circuit
Circuit junction box

(two-way, three-way, four-way, six-way) (right, Yes, yes, yes, yes) junction box. Intrinsically safe electrical junction box, intrinsically safe junction box for mines, intrinsically safe circuit junction box.

Please consult Wang Juan for details


1. Overview

This product is produced according to standards.

This product can be matched with the cables used in coal mine communication and monitoring systems, and can be used in coal mine underground mining working faces, tunnel caverns, up and down mountains, etc.

Amount
In gas and coal dust explosion hazardous environments, it is used as a cable connection device for intrinsically safe communication and monitoring system equipment.

2.
Technical requirements

Rated voltage

Constant current

Contact resistance less than MU
/>
The insulation resistance is greater than megohms

The surface insulation resistance is less than

3. Instructions for use


The product can only It is used on intrinsically safe circuits with working voltages below VDC.

The inner diameter of the product's sealing ring, flat washer, and cable diameter can be selected at will during installation.

During installation, the inlet nut and screw must be tightened to ensure reliable sealing.

Jining Hengwang Industrial and Mining Electrical Co., Ltd. mainly deals in various mining electrical appliances, sensors, mining lamps, junction boxes, mining explosion-proof telephones, etc.

Jining Hengwang Industrial and Mining Machinery Co., Ltd. is located in the charming city of Jining, the hometown of Confucius and Mencius and the capital of canals. The company was established in 2001 with a registered capital of RMB 10,000 and more than 100 employees. It specializes in operating rock drills according to market needs. Rock electric drills, shotcrete machines, support equipment, scraper accessories, rail equipment and other mining equipment and accessories. The company adheres to the business philosophy of providing convenient services to customers, creating development opportunities for employees, and the entrepreneurial spirit of being enterprising and enjoying success. We warmly welcome new and old friends from all walks of life at home and abroad to negotiate trade, create great causes and create brilliance together.

Manager
Wang Juan

Telephone


Mobile phone


< br/> Email
@

Website


Shandong Hengwang Industrial and Mining Machinery Co., Ltd.