Direct acting relief valves of RD series are used to limit the pressure in a hydraulic system. No initial stage allows for a faster response to the increased pressure and results in better tolerance to oil contamination.
Maximum pressure 350 bar, maximum permissible flow from 95 to 760 lpm.
Order Codes
- RD2A-T10A-LAN
- ab – c – def
- a. Model name: RD;
- b. Valve size: 2A, 3A, 6A, 8A;
- c. Cavity type: T10A, T3A, T16A, T18A;
- d. Control manner: L: standard screw adjustment;
- e. Adjustable range: A: 35~210 bar, B: 20~105 bar, E: 7~315 bar, W: 70~315 bar;
- f. Sealing material: N: buna-N, V: viton.
Symbol
Technical data
| Direct Acting Relief Valves | RD2A | RD3A | RD6A | RD8A |
|---|---|---|---|---|
| Cavity Type | T10A | T3A | T16A | T18A |
| Maximum Flow [l/min] | 95 | 200 | 380 | 760 |
| Maximum Pressure [bar] | 350 | 350 | 350 | 350 |
| Tightening Torque [Nm] | 40/50 | 60/70 | 200/215 | 465/500 |
| Temperature range [°C] | -35~100 | -35~100 | -35~100 | -35~100 |
| Weight [kg] | 0,155 | 0,295 | 0,67 | 1,45 |
Performance Graph
Dimensions
| Dimension Table | RD2A | RD3A | RD6A | RD8A |
|---|---|---|---|---|
| a [mm] | 39,7 | 48,7 | 61,9 | 79,4 |
| b [mm] | 22,2 | 28,6 | 31,8 | 41,3 |
| a L [mm] | 61 | 64 | 83 | 100 |