Aluminum Double End Hasp

Aluminum Double End Hasp
Product Details

Part No.: DAH01

Double-end Aluminum Lockout Hasp

a) Made from aluminum with surface treatment, spark proof.

b) Allow multiple padlocks to be used when isolating one energy source.

c) Lock holes: 7.5mm diameter

d) Overall length: 150mm, with 25mm and 38mm jaws.


Part NO.



Head shackle size:38mm,tail shackle size:25mm,length:150mm.


Equipment maintenance and safe operation procedures

1.lockout and tagout procedure

1 purpose

Anything that might cause injury to personnel in equipment maintenance inspection operations (such as in an airtight container or rotating equipment, etc.), must cut off all the energy source on the equipment (including electricity, gas) and effectively locking control, in order to prevent the equipment when working suddenly starts, so as to ensure the personal safety of maintenance inspection personnel.

2 relevant personnel

Field maintenance personnel, field maintenance responsible personnel, central control room operator, electrician

3 steps

3.1 determine the equipment to be locked during power failure

According to the needs of maintenance work, fill in the declaration to stop sending electricity ticket, by the maintenance site electrical responsible person to determine the power should be locked equipment, all may cause danger to the safety of personnel equipment are locked scope.

3.2 equipment blackout

By the dispatcher notice maintenance responsible person, the central control room, the relevant equipment power.

3.3 lock

Requirements for locking equipment:

For low voltage equipment, the corresponding control cabinet (box) must be locked

For the medium-voltage control equipment, close the relevant medium-voltage equipment and then lock the corresponding medium-voltage cabinet

Lock the control cabinet (box) :

First of all, the maintenance personnel will stop the field equipment, and then submit to the electrical shift chief to stop the power transmission ticket by the electrical personnel locked, the key by the electrical personnel to retain.

The lock of the voltage cabinet in the electrical room: first of all, the maintenance personnel will notify the electrician with the intercom, first of all, register and sign on the stop call ticket, and then the field electrical personnel will lock in the designated position, and the key will be kept by the lock personnel themselves.

Lock your confirmation

After the equipment is locked, the locked condition shall be effectively confirmed, and maintenance operation can only be carried out after confirmation.

3.4 the unlock

After the maintenance work, clean up the maintenance site, by the electrical locking personnel unlock the locking equipment, to the electrical room to unlock the personnel should also be locked in the registration form will cancel their name. Inform central control room after onsite unlocking and test run.

3.5 for those who fail to correctly implement the program, any person who neglects the listing and locking program will receive points deduction or direct financial punishment according to the seriousness of the case.

3.6 for electrical equipment in daily operation, the electrician must lock the locked power distribution room and distribution cabinet (box).