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RUD "VRBS" & "RBSB" Weld Down Swivel Load Ring Lifting and Lashing Eye - Range from 3000kg to 50000kg

Model:  RUD VRBS / RBS-B / WDLR-49

VRBS Welded Lifting Eye
RUD VRBS Weld Down Swivel Load Ring Lifting and Lashing Eye
Model
Quantity


Unit Price £ 31.46  
Part N°: 49-183691   Add to Quote Request

Lifting Eye Plate for Welding, RUD VRBS.

VRBS Welded Lifting Eye

Force distribution by 2-point-attachment, required thinner welding seams.

The lifting eye weldable VRBS / RBS is prepared for the direct welding at the transport goods. The welding blocks (made of easy weldable material 1.0577+N (St. 52-3) have been provided with distance nabs as gap indication for the weld and stamped with the WLL identification number. The ring latch can be tilted by 180°, made of high-tensile material, 100% crack detected and thus overall loadable.

Load Ring Information

An enhancement of the well established RBS series with an up to 30% increment of the WLL!
The two points of attachment facilitate an even and optimal force distribution into the work piece and thus, usage of thinner base plates is possible.
A forged, pink coated ring bracket according to EN1677-1.
The welding block is forged out of a good welding material 1.0577+N (St 52-3).
Low profile, high dynamic and static strength.
The ring is stowable and okkothus avoiding the hazard of tripping.

Proof Testing

There is no requirement to Proof Test RUD Products, either Bolt or Weldable after Installation if the user instructions for welding are carried out correctly. The welding should be carried out by a suitably qualified and competent welder/person.

The supporting structure, or the load, should be of adequate strength to take the stresses involved and this is the responsibility of the engineering designer or equivalent.

RUD Lifting and Lashing Products are Manufactured and conform to EN 1677. No further Proof Testing in the field is required. In fact it would be considered that the Product had been overloaded if a Load more than the recommended Working Load Limit had been applied.

RUD products should be regularly inspected in line with the requirements of LOLER and as per our user instructions at intervals decided by a competent person.

User Instructions

1. Reference should be made to German Standards according BGR 500 or other country specific statutory regulations and inspections are to be carried out by competent persons only.

2. Before installing and every use, visually inspect RUD lifting points, paying particular attention to any evidence of weld cracks, corrosion, wear, deformations, etc.

3. The material construction to which the lifting point will be attached should be of adequate strength to withstand forces during lifting without deformation. The contact areas must be free from inpurities, oil, colour, etc.
The material of the forged welding block is S355J2+N (St52-3 1.0577+N), B.S. 4360.50 D or AISI 1019.

4. The lifting points must be positioned on the load in such a way that movement is avoided during lifting.
a.) For single leg lifts, the lifting point should be vertically above the centre of gravity of the load.
b.) For two leg lifts, the lifting points must be equidistant to/or above the centre of gravity of the load.
c.) For three and four leg lifts, the lifting points should be arranged symmetrically around the centre of gravity in the same plane.

5. Load Symmetry:
The working load limits of individual RUD lifting points are calculated using the following formula and are based on symmetrical loading:

WLL =
       G       
n x cos ß
WLL = Working Load Limit
G = Load Weight (kg)
n = Number of load bearing legs
ß = Angle of inclination of the chain to the vertical

The calculation of load bearing legs is as follows:

No. Legs Symmectrical Asymmetrical
Two Leg 2 1
Three / Four Leg 3 2

(See Table 1 and 5)

6. All fittings connected to the VRBS should be free moving.

When connecting and disconnecting the lifting means (sling chain) pinches and impacts should be avoided. Damage of the lifting means caused by sharp edges should be avoided as well.

7. The complete design can be annealed stress-free up to <600°C (1100°F) without reduction of WLL.

8. The distance lugs assist in achieving the correct root weld (approx. 3 mm = 0.1 inch). They may not be removed.

9. RUD-Lifting points must not be used under chemical influences such as acids, alkaline solutions and vapours e.g. in pickling baths or hot dip galvanising plants. If this cannot be avoided, please contact the manufacturer indicating the concentration, period of penetration and temperature of use.

10. The places where the lifting points are fixed should be marked with colour. The load ring of the VRBS is pink powder coated.

11. If the lifting points are used exclusively for lashing the value of the working load limit can be doubled.
LC = 2 x WLL

12. After welding, an annual inspection, or sooner if conditions dicate, should be undertaken by a competent person examining the continued suitability. Also after damage and special occurrences.

Inspection criteria concerning paragraphs 2 and 12:

  • The lifting point should be complete.
  • The working load limit and manufacturers stamp should be clearly visible.
  • Deformation of the component parts such as body and load ring.
  • Mechanical damage, such as notches, particulary in high stress areas.
  • Wear should be no more than 10% of cross sectional diameter.
  • Evidence of corrosion.
  • Evidence of cracks.
  • Cracks or other damage to the weld.

A non-adherence to this advice may result damages of persons and materials !

Load Capacities - Metric Table 1

Method of lift Load Method 1 Load Method 2 Load Method 3 Load Method 4 Load Method 5 Load Method 6 Load Method 7 Load Method 8
Number of legs 1 1 2 2 2 2 2 3 and 4 3 and 4 3 and 4
Angle of inclination < ß 90° 90° 0-45° 45-60° unsymmetrical 0-45° 45-60° unsymmetrical
Factor 1 1 2 2 1.4 1 1 2.1 1.5 1
Metric Type  WLL in metric tonnes
VRBS 4t
4 t 4 t 8 t 8 t 5,6t 4 t 4 t 8,4t 6t 4 t
VRBS 6.7t 6,7t 6,7t 13,4t 13,4t 9,4t 6,7t 6,7t 14t 10t 6,7t  
VRBS 10t 10t 10t 20t 20t 14t 10t 10t 21t 15t 10t
VRBS 16t 16t 16t 32t 32t 22,4t 16t 16t 33,6t 24t 16t
VRBS 30t 30t 30t 60t 60t 42t 30t 30t 63t 45t 30t
VRBS 50t 50t 50t 100t 100t 70t 50t 50t 105t 75t 50t

Weld Size (per welding block)

Table 3

Welding Seam Definition Model Size Length Volume
Welded Load ring rud vrbs weld seam definition

VRBS 4 t 

HV 4 + a 3 2 x 130 mm approx. 4,5cm³

VRBS 6,7 t 

HV 5,5 + a 3 2 x 170 mm approx. 9 cm³
VRBS 10 t  HV 6 + a 4 2 x 190 mm approx. 11 cm³
VRBS 16 t  HV 8,5 + a 4 2 x 250 mm approx. 26 cm³
VRBS 30 t  HV 15 + a 4 2 x 365 mm approx 88 cm³
VRBS 50 t  HV 25 + a 8 2 x 655 mm approx 450 cm³

Technical Information - Table 4

Drawing Type WLL t weight kg A (mm) B C D E F T O Q VRBS Ring welding block
Rud vrbs welded lifting eye dimensions VRBS 4 t 4 0,9 62 16 28 48 135 71 65 17 77 7992826 * 7991922 7992004
VRBS 6,7 t 6,7 2,1 88 20 39 60 170 92 84 23 101 7992827 * 7991923 7992005
VRBS 10 t 10 3,0 100 22 46 65 195 100 95 28 106  7992828** 7991890 7992007
VRBS 16 t 16 6,9 130 30 57 90 266 134 127 35 147 7992491 7991924 7992008
VRBS 30 t 30 19 160 42 78 130 375 195 178 47 220 60267 57775 7987160
VRBS 50 t 50 85 240 70 120 230 620 340 403 65 380 56834 59351 7987161

*= package unit : 10 pcs ** = package unit : 4 pcs

Load Capacities - Imperial Table 5

Method of lift Load Method 1 Load Method 2 Load Method 3 Load Method 4 Load Method 5 Load Method 6 Load Method 7 Load Method 8
Number of legs 1 1 2 2 2 2 2 3 and 4 3 and 4 3 and 4
Angle of inclination < ß 90° 90° 0-45° 45-60° unsymmetrical 0-45° 45-60° unsymmetrical
Factor 1 1 2 2 1.4 1 1 2.1 1.5 1
Metric Type  WLL in imperial lbs
VRBS 4t
8800 lbs 8800 lbs 17600 lbs 17600 lbs 12320 lbs 8800 lbs 8800 lbs 18480 lbs 13200 lbs 8800 lbs
VRBS 6.7t 14750 lbs 14750 lbs 29500 lbs 29500 lbs 20650 lbs 14750 lbs 14750 lbs 30900 lbs 22000 lbs 14750 lbs
VRBS 10t 22000 lbs 22000 lbs 44000 lbs 44000 lbs 30800 lbs 22000 lbs 22000 lbs 46200 lbs 33000 lbs 22000 lbs
VRBS 16t 35200 lbs 35200 lbs 70400 lbs 70400 lbs 49300 lbs 35200 lbs 35200 lbs 74000 lbs 52800 lbs 35200 lbs
VRBS 30t 66000 lbs 66000 lbs 132000 lbs 132000 lbs 92400 lbs 66000 lbs 66000 lbs 138600 lbs 99000 lbs 66000 lbs
VRBS 50t 110000 lbs 110000 lbs 220000 lbs 220000 lbs 154000 lbs 110000 lbs 110000 lbs 231000 lbs 165000 lbs 110000 lbs

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