Forklift Block Clamp can efficiently handle various types of solid,regular cubic goods under normal temperature. Widely used in construction material,metallurgy industries for handling concrete blocks,cement bricks, carbon cubes,etc. The high structural strength and durability ensure the safe, productive application and long service life.

1. attachments@huamaiglobal.com 6- www.huamaiattachments.com1
Block Clamp
Forklift Block Clamp can efficiently handle various types of solid,regular cubic goods under
normal temperature.
Widely used in construction material,metallurgy industries for handling concrete blocks,cement
bricks, carbon cubes,etc.
The high structural strength and durability ensure the safe, productive application and long
service life.
 Features
-Proven durable T-beam arm aluminium frame
construction.
-Superior arm-slide bearing for extended
service life.
-Regenerative hydraulic valving for optimal
arm speed.
-Durable contact pads,reliable clamping .
-Excellent driver visibility.
 Options
-Custom opening ranges
-Various material facing arm
-Various mounting classes available.
-Slip-on arm
-Load backrests

2. attachments@huamaiglobal.com 6 - www.huamaiattachments.com2
6-1 Instruction of Blcok Clamps
6-3 Sideshifting Type Block Clamps
6-5 Slip-on Arm Type Block Clamps
6-7 Double Arm Movement Block Clamps
6-9 Bell Type Block Clamps
6-11 Customized Type
6-12 Block Clamps Work Sheet

3. attachments@huamaiglobal.com 6- www.huamaiattachments.com3
Sideshifting Type Block Clamps
 Specifications
Note : ①Obtain the actual capacity of the forklift and attachments from the forklift manufacturer.
②Two sets additional oil circuit required on forklift
③Arm height 128mm is single rubber type.
④Any more question, please contact the sales from HUAMAI
Hydraulic Flow & Pressure
Capacity@LoadCenter
CatalogOrderNo.
MountingClass
OpeningRange
ArmHeight
ArmLength
FrameWidth
ArmThickness
OverallHeight
VerticalCenterOf
Gravity
Weight
EffectiveThickness
HorizontalCenterof
Gravity
(kg@mm) E
(mm)
H
(mm)
L
(mm)
A
(mm)
T
(mm)
D
(m
m)
VCG
(mm)
(kg) ET
(mm)
HCG
(mm)
2700@500 CKS30D-001A II 290-1610 128 1100 1016 202 710 220 500 145 220
2700@500 CKS30D-001B III 290-1610 128 1100 1016 202 710 220 500 152 220
2700@500 CKS30D-002B III 290-1610 242 1100 1016 202 710 220 550 152 220
2700@500 CKS30D-002A II 290-1610 242 1100 1016 202 710 220 550 145 220
2700@500 CKS30D-003A II 290-1610 128 1100 1016 202 710 220 490 145 211
2700@500 CKS30D-003B III 290-1610 128 1100 1016 202 710 220 490 152 220
2700@500 CKS30D-004B III 290-1610 242 1100 1016 202 710 220 650 152 250
Model Min.Hydraulic
Flow(L/min)
Rec.Hydraulic
Flow(L/min)
Max.Hydrauli
c Flow(L/min)
Min.Hydraulic
Pressure(Bar)
Max.Hydrauli
c
Pressure(Bar)
CKS20D 15 25 25 35 160
CKS30D 15 40 40 35 160

4. attachments@huamaiglobal.com 6- www.huamaiattachments.com4
 Working Condition

5. attachments@huamaiglobal.com 6- www.huamaiattachments.com5
Slip-on Arm Type Block Clamps
 Specifications
Capacity@LoadCenter
CatalogOrderNo.
MountingClass
OpeningRange
ArmHeight
ArmLength
FrameWidth
ArmThickness
OverallHeight
VerticalCenterOfGravity
Weight
EffectiveThickness
HorizontalCenterof
Gravity
(kg@mm) E
(mm)
H
(mm)
L
(mm)
A
(mm)
T
(mm)
D
(mm)
VCG
(mm)
(kg) ET
(mm)
HCG
(mm)
2500@500 CKS30D-101A II 270-1610 94 1100 1016 202 710 210 430 208 200
2700@500 CKS30D-101B III 270-1610 94 1100 1016 202 710 210 450 216 210
2700@500 CKS30D-102B III 270-1610 94 1400 1016 202 710 192 480 216 220
2700@500 CKS30D-002A II 270-1610 94 1020 1016 202 710 210 425 208 200
2700@500 CKS30D-003A II 270-1610 94 1020 1016 202 710 210 445 216 210
2700@500 CKS30D-003B III 270-1610 94 1300 1016 202 710 192 500 266 220
Note : ①Obtain the actual capacity of the forklift and attachments from the forklift manufacturer.
②Two sets additional oil circuit required on forklift
③Arm height 242 mm is double rubber type.
④Any more question, please contact the sales from HUAMAI
Hydraulic Flow & Pressure
Model Min.Hydraulic
Flow(L/min)
Rec.Hydraulic
Flow(L/min)
Max.Hydrauli
c Flow(L/min)
Min.Hydraulic
Pressure(Bar)
Max.Hydrauli
c
Pressure(Bar)
CKS20D 15 25 25 35 160
CKS30D 15 40 40 35 160

6. attachments@huamaiglobal.com 6- www.huamaiattachments.com6
 Working Condition

7. attachments@huamaiglobal.com 6- www.huamaiattachments.com7
Double Arm Movement Block Clamps
Capacity@LoadCenter
CatalogOrderNo.
MountingClass
OpeningRange
ArmLength
ArmHeight
ArmThickness
FrameHeight
OverallWidth
UpperHookSpreadC
VerticalCenterOfGravity
Weight
EffectiveThickness
HorizontalCenterofGravity
(kg@mm) E
(mm)
L
(mm)
H
(mm)
T
(mm)
D
(mm)
A
(mm)
VCG
(mm)
(kg) ET
(mm)
HCG
(mm)
2700@450 CKS-30D-801A II 530-1860 900 210 228 772 1016 825 192 546 188 237
2700@450 CKS-30D-801B III 530-1860 900 210 228 772 1016 978 192 568 194 237
2700@500 CKS-30D-802A II 530-1860 1000 210 230 772 1016 825 188 564 188 260
2700@500 CKS-30D-802B III 530-1860 1000 210 230 772 1016 978 192 585 194 256
2500@550 CKS-30D-803A II 530-1860 1100 210 232 772 1016 825 184 581 188 182
2500@550 CKS-30D-803B III 530-1860 1100 210 232 772 1016 978 188 603 194 278
2300@600 CKS-30D-804A II 530-1860 1200 210 234 772 1016 825 179 603 188 309
2300@600 CKS-30D-804B III 530-1860 1200 210 234 772 1016 978 183 625 194 305
2100@650 CKS-30D-805A II 530-1860 1300 210 236 772 1016 825 172 630 188 237
2100@650 CKS-30D-805B III 530-1860 1300 210 236 772 1016 978 177 651 194 341
1900@700 CKS-30D-806A II 530-1860 1400 210 258 772 1016 825 154 711 188 416
1900@700 CKS-30D-806B III 530-1860 1400 210 258 772 1016 978 158 732 194 407
1800@720 CKS-30D-807A II 530-1860 1440 210 259 772 1016 825 153 718 188 423
1800@720 CKS-30D-807B III 530-1860 1440 210 259 772 1016 978 157 739 194 417
1750@740 CKS-30D-808A II 530-1860 1480 210 260 772 1016 825 152 725 188 433
1750@740 CKS-30D-808B III 530-1860 1480 210 260 772 1016 978 156 746 194 427
1700@750 CKS-30D-809A II 530-1860 1500 210 260 772 1016 825 151 729 188 439
1700@750 CKS-30D-809B III 530-1860 1500 210 260 772 1016 978 156 750 194 433
1600@780 CKS-30D-810A II 530-1860 1560 210 262 772 1016 825 150 740 188 455
1600@780 CKS-30D-810B III 530-1860 1560 210 262 772 1016 978 154 761 194 448
Note : ①Obtain the actual capacity of the forklift and attachments from the forklift manufacturer.
②Two sets additional oil circuit required on forklift
③Arm height 242 mm is double rubber type.
④Any more question, please contact the sales from HUAMAI

8. attachments@huamaiglobal.com 6- www.huamaiattachments.com8
 Working Condition
Model Min.Hydraulic
Flow(L/min)
Rec.Hydraulic
Flow(L/min)
Max.Hydrauli
c Flow(L/min)
Min.Hydraulic
Pressure(Bar)
Max.Hydrauli
c
Pressure(Bar)
CKS20D 15 25 25 35 160
CKS30D 15 40 40 35 160

9. attachments@huamaiglobal.com 6- www.huamaiattachments.com9
Bell Type Block Clamps
Capacity@LoadCenter
CatalogOrderNo.
MountingClass
OpeningRange
DistanceBetwweenUpper
HookandGround
StackingLength
StackingHeight
Sideshift
ArmThickness
OverallHeight
UpperHookSpread
Min.TruckCarriageWidth
VerticalCenterOfGravity
Weight
EffectiveThickness
HorizontalCenterofGravity
(kg@mm) O
(mm)
E
(mm)
L
(mm)
D
(mm) (mm)
T
(mm)
A
(mm)
C
(mm) (mm)
VCG
(mm) (kg)
ET
(mm)
HCG
(mm)
2400@300 OKS30D-102B III 400-750 570 1400 1200 200 184 1714 - 934 667 630 264 449
2500@600 OKB30D-203B III 1100-1400 580 1400 600 - 194 914 835 - 396 411 198 785
2500@600 OKS30D-203B III 1100-1400 1400 582 1400 600 200 194 - 934 376 542 267 656
2500@600 OKB30D-201B III 1100-1400 696 2100 600 - 209 952 1185 - 240 550 200 799
2500@600 OKS30D-201B III 1100-1400 698 2100 600 200 208 956 - 1173 242 699 268 682
2500@600 OKB30D-202B III 1100-1400 568 1200 1200 - 196 1550 735 - 791 580 195 792
2500@600 OKS30D-202B III 1100-1400 570 1200 1200 200 196 1550 - 934 706 711 264 709
2500@600 OKB30D-204B III 1100-1400 568 1400 1200 - 196 1551 835 - 777 596 195 792
2500@600 OKS30D-204B III 1100-1400 570 1400 1200 200 196 1551 - 934 696 727 264 712
3100@600 OKB40D-201B III 1100-1400 695 2100 1200 - 271 1586 1202 - 579 889 202 802
4000@600 OKB40D-201B III 1100-1400 836 2100 1200 - 271 1586 1202 - 607 893 202 798
5400@900 OKB50D-202C IV 1700-2140 743 2100 1200 - 238 1621 1202 - 785 1411 232 1126
5400@480 OKB40D-201C IV 900-1340 836 2000 1265 - 287 1686 1152 - 680 1167 212 694
5400@480 OKB40D-201C IV 900-1340 834 2000 1265 300 286 1686 - 1200 638 1369 298 766
Note : ①Obtain the actual capacity of the forklift and attachments from the forklift manufacturer.
②Two sets additional oil circuit required on forklift
③Arm height 242 mm is double rubber type.
④Any more question, please contact the sales from HUAMAI.

10. attachments@huamaiglobal.com 6- www.huamaiattachments.com10
 Working Condition
Model Min.Hydraulic
Flow(L/min)
Rec.Hydraulic
Flow(L/min)
Max.Hydrauli
c Flow(L/min)
Min.Hydraulic
Pressure(Bar)
Max.Hydrauli
c
Pressure(Bar)
CKS30D 15 25 25 35 160
CKS40D 15 40 40 35 160

11. attachments@huamaiglobal.com 6- www.huamaiattachments.com11
 Csutomized Type

12. attachments@huamaiglobal.com 6- www.huamaiattachments.com12
Block Clamps Work Sheet
Customer Information
Company Name： Contact Person:
Address： Postal Code:
Tel: Fax: Email.:
Forklift Main Specification
Forklift Brand Load Capacity
(kg)
Forklift Model Mast Lifting
Height
(mm)
Fork Carriage
Width
Pressure Of
Attached Oil
Pipe (Bar)
Flow Rate Of
Attached Oil
Pipe (LPM)
Load Working Condition
Note: Assume the direction of clamp block same as the drawing.
Attention Of Model Selection
A) Rotating B) Side Shifting
B) Is opening range meet the actual conditions:A>Le?
Special requirement of opening range? The Max. The Min.
C) Is arm of clamp meet the actual conditions: L>W?
Special requirement of arm length? L=
Note:Normally condition, required the length of the rubber longer than the thickness of stacked block which be
clamped
D) Mounting class of block clamp:
Others: (The resist compression density of block, The temperature of clamping )
Confirmed Block Model Selection (Relate to the height of the bottom block )
Stacked Block Description
(Such as : Type of block ,
The shape of the stacked
block, Package or not.)
Single
block
Stacked
Unit
Length(LE)
Width(W)
Height(H)
Weight(W)
Others