RV pilot operated pressure relief valves with vent are another pressure limiting valves. The vent port connects between the main piston and pilot stage to provide for remote control by other pilot or 2-way valves.
Maximum pressure 350 bar, maximum flow from 60 up to 480 lpm.
Order Coding
- RV2A-T11A-LAN
- ab – c – def
- a. Model name: RV;
- b. Valve size: 2A, 3A, 6A, 8A;
- c. cavity type: T11A, T2A, T17A, T19A;
- d. Control manner: L: standard screw adjustment, K: hand knob with lock knob;
- e. Adjustable range: A: 7~210 bar, B: 3,5~105 bar, C: 10~400 bar, E: 2~25 bar;
- f. Material of seal: N: buna-N, V: viton.
Symbol
Technical data
| Ventable pilot operated relief valves | RV2A | RV3A | RV6A | RV8A |
|---|---|---|---|---|
| Cavity type | T11A | T2A | T17A | T19A |
| Maximum flow [lpm] | 60 | 120 | 240 | 480 |
| 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] | 0,17 | 0,3 | 0,64 | 1,43 |
Performance curves
Vented pressure drop
Dimensions
| Dimension table | RV2A | RV3A | RV6A | RV8A |
|---|---|---|---|---|
| a [mm] | 34,9 | 34,9 | 46 | 63,5 |
| b [mm] | 22,2 | 28,6 | 31,8 | 41,3 |
| L [mm] | 79 | 89 | 100 | 124 |
| c | ||||
| K [mm] | 85 | 96 | 107 | 130 |