Trunnion Mounting Style D & DB | NFPA 4MAJ Series, Rod Lock Option - 1-1/2" to 5" Bore Sizes | Tie Rod Cylinders | Pneumatic Actuators
Style D - Head Trunnion
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Style DB - Cap Trunnion
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Styles D & DB
Bore Size |
Rod # | Rod Dia. MM | E |
TD +.000 -.001 |
TL | UT | XG | XJ |
1-1/2 | 1 | 5/8 | 2.000 | 1.000 | 1.000 | 4.000 | 4.375 | 6.750 |
2 | 1 | 5/8 | 2.500 | 1.000 | 1.000 | 4.500 | 4.625 | 7.000 |
2 | 3 | 1 | 2.500 | 1.000 | 1.000 | 4.500 | 6.000 | 8.375 |
2-1/2 | 1 | 5/8 | 3.000 | 1.000 | 1.000 | 5.000 | 4.625 | 7.125 |
2-1/2 | 3 | 1 | 3.000 | 1.000 | 1.000 | 5.000 | 6.125 | 8.625 |
3-1/4 | 1 | 1 | 3.750 | 1.000 | 1.000 | 5.750 | 6.750 | 9.500 |
3-1/4 | 3 | 1-3/8 | 3.750 | 1.000 | 1.000 | 5.750 | 7.375 | 10.125 |
4 | 1 | 1 | 4.500 | 1.000 | 1.000 | 6.500 | 7.125 | 9.875 |
4 | 3 | 1-3/8 | 4.500 | 1.000 | 1.000 | 6.500 | 7.625 | 10.375 |
5 | 1 | 1 | 5.500 | 1.000 | 1.000 | 7.500 | 7.625 | 10.625 |
5 | 3 | 1-3/8 | 5.500 | 1.000 | 1.000 | 7.500 | 8.250 | 11.250 |
Mounting Styles - Dimensions (Small Bore, Up to 5"):
Available Pneumatic Cylinder Styles
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Tie Rod Cylinders | ![]() |
Guided Cylinders |
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Round Body Cylinders | ![]() |
Rodless Cylinders |
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Compact Cylinders |
Engineering & Product Selection Information
Pneumatic Product Selection
- Pneumatic Actuators & Air Cylinders
- Pneumatic Cylinders
- Automation Products: rotary actuators, grippers, slide tables, rotary tables, escapement
- Actuator Accessories: Linear alignment couplers, flow controls, air oil tanks, rodlocks, electronic sensors, shock absorbers
Application Engineering Data
- Operating Principles and Construction
- Fluids and Temperature
- Push and Pull Forces
- Mounting Information
- Ports
- Tie Rod Supports, Stroke Data & Stroke Adjusters
- Mounting Classes
- Stop Tubing
- Stroke Selection Chart
- Deceleration Force and Air Requirements
- Cushion Ratings and Air Requirements
- NFPA Rod End Data and Piston Rods
- Modifications, Special Assemblies, Tandem Cylinders, Duplex Cylinders
- Rotary Actuator Torque Requirements
- Rotary Actuator Basic Equations
- Conversion Factors
