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  • Had a chance to see STS6 Model Tensioners being made at #hiforce headquarters #tensioners #winshawhydraulictools
  • Structural bolt tightening works were carried out on a 50 metre cycle track bridge in Malaysia using Hi-Force TWP22S pneumatic torque multiplier with respective sockets. A total of 568 bolts were tightened within three days and involved tightening of M24, M27 and M30 bolts to a specific torque. #hiforce #bolttightening #torqueing #torquemultiplier
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  • Synchronous lifting of a road bridge in Scotland  #hiforce #HSPsplitflowpump #PLCcontrolsystem
  • Introducing BOLTRIGHT PRO - the innovative bolted joint integrity software from Hi-Force. Visit www.hi-force.com for more details. #hiforce #boltingtools #boltrightpro
  • Bolt torqueing works at Bloomberg site in London  #hiforce #torquewrench #bolttightening
  • Lifting the rear of a Saipem FDS2 pipelayer vessel to carry out repair works http://ow.ly/4n1FCo  #hiforce #cylinders #shiprepair
  • Structural bolt tightening works were carried out on a 50 metre cycle track bridge in Malaysia using Hi-Force TWP22S pneumatic torque multiplier with respective sockets. A total of 568 bolts were tightened within three days and involved tightening of M24, M27 and M30 bolts to a specific torque. #hiforce #bolttightening #torqueing #torquemultiplier
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  • Presle monte edilmiş parçaların, tekerleklerin, dişlilerin, cer dişlilerinin, makaraların vb. gibi birçok parçanın sökülmesi işinde kullanılabilen
  • En zor civatalama işlemlerinin bile doğru ve hızlı bir şekilde yapılmasına imkan veren, bağlantı için kullanılan kare başlık tipi ile hızlı bir şekilde aparat sökme ve takma yapılmasını sağlayan, kompakt, hafif, alüminyum ve 360 derece dönebilen bağlantı noktası ile

HHR Range

HHR Range
  • Capacities from 33 to 247 tonnes
  • Stroke lengths from 51 to 305 mm
  • Working pressure 700 Bar

The HHR double acting hollow piston cylinder range incorporates all of the design features of the HHS range with the added benefit of double acting design, which greatly enhances speed of operation and performance particularly in the longer length stroke options. Additionally a substantial hydraulic pulling force is available in the piston retraction mode of operation. Standard range models are featured in this catalogue, however other stroke and tonnage options are available on request.

  • Double acting design
  • Nitrocarburised piston rod
  • Annular area overload protection valve
  • Low friction bearing surfaces
  • Anti-extrusion seals
  • Optional piston rod saddles
  • Collar thread protector supplied as standard
Double Acting Hollow Piston Cylinders

Specifications

Model No. Capacity tonnes Stroke mm Oil cap. cm3 Cyl. eff. area cm2 Weight kg
  Push Pull        
HHR302 33 24 51 238 46.7 12.2
HHR306 33 24 150 701 46.7 17.6
HHR3012 33 24 305 1424 46.7 25.7
HHR603 61 38 76 652 85.7 30.6
HHR606 61 38 152 1304 85.7 41.6
HHR6010 61 38 254 2179 85.7 52.5
HHR1003 102 43 76 1087 143.1 68.5
HHR1006 102 43 152 2174 143.1 90.0
HHR1508 152 71 203 4320 212.8 170.0
HHR2508 247 76 203 7039 346.5 269.0

Dimensions in mm

Model No. A B C D E F G H I J
HHR302 180 115 60.3 35 4 1/2"-12un 40 M8 92 28 119
HHR306 279 115 60.3 35 4 1/2"-12un 40 M8 92 28 218
HHR3012 434 115 60.3 35 4 1/2"-12un 40 M8 92 28 373
HHR603 239 160 92 55 6 1/4"-12un 45 M12 130 31 166
HHR606 315 160 92 55 6 1/4"-12un 45 M12 130 31 242
HHR6010 417 160 92 55 6 1/4"-12un 45 M12 130 31 344
HHR1003 310 213 140 80 8 3/8"-12un 40 M16 178 82 234
HHR1006 386 213 140 80 8 3/8"-12un 40 M16 178 82 310
HHR1508 503 270 184 102 n/a n/a n/a n/a 98 389
HHR2508 505 350 254 150 n/a n/a n/a n/a 98 389

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