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Pewag Profilift Gamma

Pewag Profilift Gamma

The innovative tool free design of the PLGW lifting point is a patented concept in tool free anchorage by Pewag. The new design allows the lifting point to be tightened and aligned manually in the direction of the load by engaging the special locking clips on to the bolt head which are retained in position via the patented spring.

The PLGW is 360° rotatable and has a safety factor of 4:1 against breakage in all directions and can be loaded to full capacity throughout the 180° load range. The 10.9 grade special bolt is secured within the body forging and is 100% crack detection tested and finished with a VI-free protective coating to protect against corrosion. The load bolt is marked with the WLL and thread size and each lifting point is marked with an individual serial number giving full traceability. When used in a vertical lift the capacity can be increased according to the load tables provided.

The PLGW range is available with metric or UNC thread and each lifting point is supplied packed with a User Manual which includes load tables for the various applications of use.

 

Tool-free assembly and disassembly
The clips in position 1 do not have contact with the bolt head (fig 1)
• The clips are kept in position by the patented spring
• The eye bolt is free to rotate

The clips in position 2 are in contact with the bolt head (fig 2)
• The clips are kept in position by the patented spring
• The eyebolt can not rotate i.e. the fastening torque is transmitted to the bolt which can now be tightened or unscrewed by hand.

 

Permissible usage
Ensure that the PLGW load capacity is in accordance with the inspection certificate, the loads are within the permissible direction of pull (fig 3) and also within the WLL stated in the tables supplied. The locking clips must be disengaged to allow free rotation of the eye to the line of pull of the load.

Non permissible usage
Ensure that the PLGW can not be subjected to improper loading due to:

• the direction of pull being obstructed
• incorrect direction of pull on the ring (fig 4)
• load ring resting against edges or load

For further details of use please consult the User Manual supplied.

To calculate special thread lengths (L):
L= H + S + K + X

H = Material thickness
S = Washer thickness
K = Depth of nut
X = Thread protrusion through nut (twice thread pitch)

NOTE: Maximum length “L” can not exceed “n max.” as indicated in dimensions table below.

 



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