• National Clamps
    • Over 95% market share for Lifting clamps in Korean Shipbuilding Industry
    • Over 35 years of proven safety history in Korean shipbuilding industry
National Clamps

PRODUCTS

  • Vertical Clamp

 
 

Products Vertical Clamp
Model NVC-H, NVC-L
Manufacturing Origin South Korea
Factory Busan, Korea
 Description

    A vertical lifting clamp for steel plates and various steel blocks.

NVC-H

WLL(TON) Jaw Opening A1 A2 B C D1 D2 E F ØG I J K Weight(kg)
0.5 0-20 22 4 28 102 22 32 88 265 45 10 28 56 3.3
0-50 52 4 32 166 27 50 120 378 50 14 30 54 6.4
1 0-25 30 4 38 148 24 40 100 310 55 16 36 60 6.1
0-30 35 5 46 162 30 46 108 315 55 16 36 60 6.6
0-45 50 5 45 190 35 43 118 342 55 16 36 60 7.8
2 0-30 35 5 54 172 32 46 114 345 58 18 40 68 8.8
10-70 75 5 62 256 35 70 160 456 60 19 40 68 17.4
30-70 75 5 62 247 42 64 155 444 58 18 40 68 15.6
3 0-35 40 5 58 192 40 48 130 380 60 19 43 71 11.6
30-50 55 5 58 208 40 60 130 385 60 19 43 71 13.5
30-70 75 5 70 260 48 67 155 425 60 19 45 75 18.9
40-80 85 5 70 270 47 63 155 435 60 19 45 75 19.2
5 0-45 50 5 65 234 52 50 144 432 60 22 48 84 18.5
0-50 55 5 65 240 55 62 148 440 60 22 48 84 20.0
30-65 70 5 70 252 55 62 148 440 60 22 48 84 22.1
30-70 75 5 82 265 55 82 177 485 60 22 50 88 26.2
40-80 85 5 88 288 55 82 180 487 60 22 50 88 27.8
8 0-50 55 5 85 263 55 64 182 485 65 30 60 104 33.5
No. ASS’Y NAME No. PART NAME No. ASS’Y NAME No. PART NAME
1 BODY - - 6 JAW ASS’Y 6-1 SWIVEL JAW
2 SHACKLE - - 6-2 BOLT & NUT
3 SHACKLE PIN - - 7 LATCH ASS’ 7-1 SAFETY LATCH
4 CAM ASS’ 4-1 CAM 7-2 HANDLE RING
4-2 LINK 7-3 SPRING PIN
4-3 SPRING PIN 7-4 BOLT & NUT
4-4 RIVET PIN 8 LOCK SPRING - -
5 CAM PIN ASS’ 5-1 CAM PIN
5-2 SPRING PIN

[Features]

  • The NVC-H has the built-in safety latch that prevents a work piece from  slipping due to the initial clamping force caused by the spring even if the  wire rope becomes loose during the operation.

[How to use]

  • Insert a steel plate into the inside end of the clamp's jaw opening and then lock the safety latch.
  • Clamp the center of gravity of the work piece in order to equally distribute the weight of the work piece.

[Warnings]

  • Do not exceed the rated capacity specified on the clamp.
  • Use a work piece only which falls within the jaw opening range specified in the instruction manual.
  • Never lift two or more work pieces with one clamp.
  • Lift a work piece only after checking the biting location and the biting condition of the work piece, and the proper functioning of the safety latch.
  • When lifting a work piece, a signal man must be outside the rotation radius of a work piece to send a signal to a crane operator.
NVC-L

WLL(TON) Jaw Opening A1 A2 B C D1 D2 E F ØG I J K Weight(kg)
0.5 0-20 22 4 28 102 22 32 88 265 45 10 28 56 3.3
0-50 52 4 32 166 27 50 120 378 50 14 30 54 6.4
WLL(TON) Jaw Opening A1 A2 B C D1 D2 E F ØG I J K Weight(kg)
0-50 52 4 32 166 27 50 120 378 50 14 30 54 6.4
0-50 52 4 32 166 27 50 120 378 50 14 30 54 6.4
WLL(TON) Jaw Opening A1 A2 B C D1 D2 E F ØG I J K Weight(kg)
0-50 52 4 32 166 27 50 120 378 50 14 30 54 6.4
0-50 52 4 32 166 27 50 120 378 50 14 30 54 6.4
WLL(TON) Jaw Opening A1 A2 B C D1 D2 E F ØG I J K Weight(kg)
0-50 52 4 32 166 27 50 120 378 50 14 30 54 6.4
0-50 52 4 32 166 27 50 120 378 50 14 30 54 6.4
0-50 52 4 32 166 27 50 120 378 50 14 30 54 6.4
WLL(TON) Jaw Opening A1 A2 B C D1 D2 E F ØG I J K Weight(kg)
0-50 52 4 32 166 27 50 120 378 50 14 30 54 6.4
0-50 52 4 32 166 27 50 120 378 50 14 30 54 6.4
0-50 52 4 32 166 27 50 120 378 50 14 30 54 6.4
0-50 52 4 32 166 27 50 120 378 50 14 30 54 6.4
WLL(TON) Jaw Opening A1 A2 B C D1 D2 E F ØG I J K Weight(kg)
No. ASS’Y NAME No. PART NAME No. ASS’Y NAME No. PART NAME
1 BODY - - 6 JAW ASS’Y 6-1 SWIVEL JAW
2 SHACKLE - - 6-2 BOLT & NUT
3 SHACKLE PIN - - 7 LATCH ASS’ 7-1 SAFETY LATCH
4 CAM ASS’ 4-1 CAM 7-2 HANDLE RING
4-2 LINK 7-3 SPRING PIN
4-3 SPRING PIN 7-4 BOLT & NUT
4-4 RIVET PIN 8 LOCK SPRING - -
5 CAM PIN ASS’ 5-1 CAM PIN
5-2 SPRING PIN

[Features]

  • Due to the safety lever, the NVC-L is convenient to use and also easy to separate the clamp after working with thick steel plates.
  • After releasing the lever, the link stops functioning even if the shackle is lifted. Therefore, it is easy to do the biting and releasing work.

[How to use]

  • Insert a steel plate into the inside end of the clamp's jaw opening and then lock the safety lever.
  • Clamp the center of gravity of the work piece in order to equally distribute the weight of the work piece.

[Warnings]

  • Do not exceed the rated capacity specified on the clamp.
  • Lift a work piece only which falls within the jaw opening range specified in the instruction manual.
  • Ensure that during the operation, the lever does not collide with other objects since the safety lever is attached to the exterior of hte clamp.
  • Never lift two or more work pieces with one clamp.
  • Lift a work piece only after checking the biting location and the biting condition of the work piece, and the proper functioning of the safety lever.
  • When lifting a work piece, a signal man must be outside the rotation radius of a work piece to send a signal to a crane operator.
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