Table of Contents

1 General
2 Drawings and Data
3 Construction

1 General

1.1 Description

This specification gives the minimum requirements for industrial incandescent lighting fixtures for outdoor use in a chemical refinery and hazardous atmosphere as specified in the requisition.

1.2 Standards

All fixtures shall meet the standards mentioned in the requisition and especially those with regard to type of explosion protection for application in Zone 1 and Zone 2 areas.

1.3 Site Conditions

Fixtures shall suit the site conditions mentioned in the requisition and shall withstand corrosive chemical and refinery atmosphere, with a maximum ambient temperature of 40°C, and a minimum ambient temperature of -10°C and a relative humidity of 90%.

1.4 Conflicting Requirements

In case of conflict between the conditions and documents mentioned above or between these and this specification or the requisition the severest requirements will govern.

Purchaser is not obligated to check vendor’s documents such as quotations, order confirmations, drawing, etc. Purchaser will review these in principle only. It will remain vendor’s responsibility to make the fixtures in accordance with this specification in a fully functional and workmanlike manner.

A deviation from this specification is only acceptable in case vendor has specified in his quotation under the heading “deviations from specification or requisition” the requirements he cannot meet and Badger has accepted this deviation in writing before ordering or in the order.

Failure to do so will be interpreted by purchaser as confirmation that manufacturer complies fully with this specification.

2 Drawings and Data

Drawings and other technical data shall be furnished in quantities as specified in the invitation for binds.

2.1 Drawings and Data to Be Furnished with Quotations

2.1.1 Outline drawings showing overall dimensions, weight, method of mounting, etc.

2.1.2 Test certificates for the fixture type E and R.

For type R a separate certificate for the lampholder is required.

2.1.3 Installation instructions.

2.1.4 Lighting intensity curve for each type of fixture.

2.1.5 Type of material, housing, cover and guard.

2.1.6 Technical description.

2.1.7 Standards and gas groups with which the items comply.

2.1.8 The maximum surface temperature in relation with the filament lamp wattages.

3 Construction

  1. To indicate the degree of protection of fixtures and terminal box (es) with regard to the entrance of foreign objects and water, the IEC Publication 529 shall be followed.

  2. All fixtures shall be suitable for the way of mounting as indicated, outdoors, without any additional protection.

  3. Fixtures shall be treated for application in a chemical and refinery atmosphere. Site conditions will be stated in the requisition.

  4. Identification System

    Fixtures with first letter E shall be explosion-protected for application in Zone I areas.

    Fixtures with first letter R shall be of the increased safety design for application in Zone II areas.

    Fixtures with first letter N shall be of a normal industrial type.

    The second letter indicates the way of mounting. (see sheet 5).

  5. All fixtures shall be supplied complete with glands, internal wiring, terminal block, internal and external earthing screws, protective guards, globes, internal reflectors, etc.

  6. All terminals shall be secured against loosening by vibration, and suitable for 4 solid cores.

  7. The temperature rise at any part of the external surface of the fixture shall not exceed the temperature mentioned in the requisition when tested in the ambient temperature indicated.

  8. Test certificates regarding gas group classification are required for the entire fixtures as well as for the explosion proof lampholder itself.

  9. All external metal screws and bolts shall be of stainless steel.

  10. Fixtures shall have two cable glands suitable for wire-armoured PVC cable unless otherwise indicated.

  11. It shall be vendor’s responsibility that all materiel will be tested and provided with the required identification stamp for gas groups etc.

  12. Execution for Zone 1 areas shall be Exd indicated with first letter E.

    Execution for Zone 2 areas shall be Exe indicated with first letter R.

  13. All fixtures shall have to show on the name plate the maximum allowed filament lamp wattage for the gas group concerned.

  14. When two glands have been specified it means one at each end (180°).