Hydraulic Actuator Rack & Pinion Type
This high-performance Rack & Pinion Hydraulic Actuator is precision-engineered for any quarter-turn application, delivering an impressive output torque of up to 25,344 Nm. Built with a heavy-duty nodular cast iron housing and robust alloy steel internals, this double-acting actuator features a design pressure of 160 kgf/cm² and an adjustable rotation angle to guarantee maximum reliability and smooth fluid control in the most demanding industrial environments.
Overview
Application:This Hydraulic Actuator Rack & Pinion Type is designed for marine applications involving Fresh water, Sewage, Sea water,Steam, Oils.
Material Specification:
No. | Name | Material |
|---|---|---|
1 | Housing | Nodular Cast Iron |
2 | Cylinder | Nodular Cast Iron |
3 | Rack | Alloy Steel |
4 | Pinion | Alloy Steel |
5 | Gland | Nodular Cast Iron |
6 | Adjusting Screw | Alloy Steel |
7 | Wear Ring (x) | Polymer / Fabric |
8 | Wear Ring (y) | Polymer / Fabric |
9 | Cap Nut | Carbon Steel |
10 | Bonded Seal | Stainless Steel/Nbr |
11 | Gland Bolt | Alloy Steel |
12 | Cylinder Bolt | Alloy Steel |
13 | Rod Seal | NBR |
14 | Back Up-ring | PTFE |
15 | Housing O-ring | NBR |
16 | Cylinder O-ring | NBR |
17 | Spindle Seal | NBR |
18 | Piston Seal | NBR |
19 | Cylinder Plug | Stainless Steel |
20 | Vent Plug | Stainless Steel |
Technical Specifications:
The standard is designed for hydraulically operated double acting actuator and covers torque requirement up to 25,344Nm.
For operation of any quarter turn application.
Hydraulic Double Acting Actuator (Rack & Pinion design)
Performance Specification:
Actuator Model | AV-RA28 | AV-RA45 | AV-RA56 | AV-RA70 | AV-RA90 | AV-RA110 |
|---|---|---|---|---|---|---|
Output Torque (at working pres. 140kgf/cm²) | 18kgf.m | 37kgf.m | 77kgf.m | 148kgf.m | 279kgf.m | 622kgf.m |
Stroke Volume | 25cc | 48cc | 100cc | 194cc | 363cc | 800cc |
Working Temperature | -20°C/80°C | |||||
Design Pressure | 210kgf/cm² | |||||
Rotation Angle | 90° ±1° | |||||
End Adjustment | ±3° | |||||
Valve Connection Flange (ISO 5211) | F07 | F07/F10 | F10/F12 | F10/F12/F14 | F14/F16 | F25/F30 |
Spindle dimensions | As standard with key dimension according to ISO 773 | |||||
Drawing:

Dimensions:
Actuator Model | A | B | C | D | E | F | G | H | I | J |
|---|---|---|---|---|---|---|---|---|---|---|
AV-RA28 | Ø28 | 39.3 | 168 | 338 | 45 | Ø90 | 114 | 45 | 90 | 5 |
AV-RA36 | Ø36 | 47 | 204.5 | 509 | 62.5 | Ø114 | 177 | 55 | 110 | 10 |
AV-RA45 | Ø45 | 62.8 | 266 | 532 | 75 | Ø125 | 176 | 60 | 120 | 10 |
AV-RA56 | Ø56 | 78.5 | 322 | 645 | 87.5 | Ø125 | 173 | 75 | 150 | 10 |
AV-RA70 | Ø70 | 94 | 380 | 760 | 105 | Ø210 | 247 | 75 | 170 | 10 |
AV-RA90 | Ø90 | 131 | 480 | 960 | 150 | Ø300 | 332 | 105 | 210 | 10 |
AV-RA110 | Ø100 | 157 | 590 | 1180 | 175 | Ø350 | 402 | 140 | 280 | 15 |
