The Baier RTA Series is designed for controlled tightening and loosening of industrial bolted connections. Ten models cover 167–69,283 N·m across the series, with model-specific square drives from 3/4 to 2 1/2 inches and catalog-listed bolt ranges from M16 to M150.
±3% torque accuracy: Supports repeatable controlled bolting when the correct model, pressure setting and operating procedure are used.
700 bar / 10,000 psi operation: Works with a compatible high-pressure hydraulic pump and hose system.
Integrated Al-Ti alloy body: Combines high strength with lightweight construction for industrial handling.
360° fine-adjustable reaction arm: Supports positioning against a suitable solid reaction point.
360° × 180° rotatable oil-pipe fitting: Allows more flexible hose orientation around nearby equipment.
Interchangeable square drive: Model-dependent drive sizes support different socket and bolting requirements.
Anti-corrosion surface treatment: Supports work in demanding industrial environments.
On-tool setting reference: A laser-engraved pressure-to-torque comparison table is provided on the cover plate.
System requirement: The wrench cannot operate independently. A compatible hydraulic pump and hose system is required.
Series | RTA |
|---|---|
Model Count | 10 |
Series Torque Coverage | 167–69,283 N·m |
Catalog Bolt Range Coverage | M16–M150 |
Torque Accuracy | ±3% |
Maximum Working Pressure | 700 bar / 10,000 psi |
Drive Range | 3/4–2 1/2 in, model-dependent |
Model | Torque Range (N·m) | Bolt Range | Drive | Weight |
|---|---|---|---|---|
RTA02 | 167–1,767 | M16–M36 | 3/4 in / 19 mm | 2.0 kg |
RTA05 | 436–4,336 | M22–M48 | 1 in / 25 mm | 4.2 kg |
RTA08 | 746–7,426 | M27–M56 | 1 1/2 in / 38 mm | 7.0 kg |
RTA11 | 1,017–10,435 | M30–M64 | 1 1/2 in / 38 mm | 9.1 kg |
RTA16 | 1,513–15,098 | M36–M72 | 1 1/2 in / 38 mm | 13.1 kg |
RTA20 | 1,945–19,413 | M39–M85 | 2 1/2 in / 64 mm | 19.5 kg |
RTA28 | 2,516–26,453 | M42–M90 | 2 1/2 in / 64 mm | 25.0 kg |
RTA36 | 3,315–34,652 | M48–M100 | 2 1/2 in / 64 mm | 31.0 kg |
RTA50 | 4,762–47,453 | M64–M120 | 2 1/2 in / 64 mm | 45.0 kg |
RTA70 | 6,955–69,283 | M76–M150 | 2 1/2 in / 64 mm | 68.5 kg |
Model | L1 | L2 | H1 | H2 | H3 | H4 | R1 | R2 |
|---|---|---|---|---|---|---|---|---|
RTA02 | 122 | 178 | 50 | 72 | 92 | 119 | 25 | 97 |
RTA05 | 156 | 230 | 67 | 94 | 122 | 171 | 32 | 130 |
RTA08 | 180 | 274 | 80 | 122 | 146 | 197 | 37 | 155 |
RTA11 | 208 | 297 | 90 | 134 | 164 | 210 | 45 | 188 |
RTA16 | 244 | 353 | 100 | 142 | 183 | 232 | 50 | 193 |
RTA20 | 277 | 418 | 110 | 163 | 208 | 246 | 59 | 223 |
RTA28 | 295 | 444 | 120 | 181 | 223 | 260 | 65 | 250 |
RTA36 | 319 | 466 | 137 | 197 | 260 | 315 | 71 | 264 |
RTA50 | 353 | 490 | 153 | 214 | 281 | 331 | 76 | 280 |
RTA70 | 445 | 560 | 185 | 248 | 308 | 360 | 85 | 334 |
The RTA Series supports controlled tightening and loosening within the selected model's rated torque, bolt, drive and dimensional limits.
Select the model by required torque, fastener size, available clearance and reaction point for wind-power installation and maintenance tasks.
The RTA range supports controlled flange-bolt tightening and loosening where the selected tool can be positioned with a safe reaction point.
RTA models can be selected for controlled tightening and loosening of heavy bolted connections on mining equipment.
Suitability depends on required torque, bolt and socket size, joint condition, working clearance, reaction geometry and hydraulic-system compatibility.
Choose the model by required working torque first. Then verify bolt size, drive and socket requirements, wrench dimensions, available clearance and a solid reaction point.
Required tightening or loosening torque
Bolt or nut size and fastener geometry
Joint drawing or clear photos with dimensions
Available radial and height clearance
Safe reaction-point position
Required drive and socket type
Quantity and destination market
Required project documentation
Loosening selection: The catalog recommends a wrench with torque capacity of at least 150% of the bolt-tightening torque for loosening and bolt removal.
Compatible hydraulic pump
Compatible hydraulic hoses
Socket
Custom hexagonal drives are available for special specifications, subject to technical confirmation.
Couplers, special reaction components, carrying case, tools, spare parts and other pictured accessories must be confirmed in the quotation.
The ten-model series covers 167–69,283 N·m across the catalog model range.
The RTA Series operates at a maximum working pressure of 700 bar / 10,000 psi.
The RTA Series provides ±3% torque accuracy.
Start with the required working torque. Then confirm bolt size, square-drive and socket requirements, dimensions, available clearance and reaction point.
No. A compatible hydraulic pump, hydraulic hoses and socket are required for operation but are not included.
Yes. The series supports controlled tightening and loosening within the selected model's rated range when the correct reaction arrangement and operating procedure are used.
Yes. Custom hexagonal drives are available for special specifications, subject to technical confirmation.
Send the required torque, bolt size, joint drawing or photos, available clearance, quantity, destination market and configuration requirements.
Baier Hydraulic Power (Wuhan) Co. Ltd is a high-technology enterprise, the company has been keenly focused on integrating research, development, production, sale and service of torque wrench, hydraulic cylinders, nut cutter, hydraulic pullers, hydraulic pumps, and so on. We own a modern production plant of 12, 000 square meters, this incorporates an internationally advanced hydraulic tools production facility, material processing line, tools assembly line, and other packaging equipment facilities.