Pilot operated pressure reducing valves PB are designed to reduce the high input pressure to a constant lower level output. They allow to supply system branches with different pressure ranges from one pump.
Maximum pressure 350 bar, maximum permissible flow from 40 to 320 lpm.
Order Codes
- PB2B-T11A-LAN
- ab – c – def
- a. Model name: PB;
- b. Valve size: 2B, 3B, 6B, 8B;
- 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, N: 4~55 bar, W: 10~315 bar;
- f. Material of seals: N: buna-N, V: viton.
Symbol
Technical Data
| Pilot operated pressure reducing valves | PB2B | PB3B | PB6B | PB8B |
|---|---|---|---|---|
| Cavity type | T11A | T2A | T17A | T19A |
| Maximum flow [lpm] | 40 | 80 | 160 | 320 |
| 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 Graph
Pressure drop withoud load
Dimensions
| Dimension table | PB2B | PB3B | PB6B | PB8B |
|---|---|---|---|---|
| a [mm] | 34,9 | 34,9 | 46 | 63,5 |
| b [mm] | 22,2 | 28,6 | 31,8 | 41,3 |
| L [mm] | 64 | 72 | 84 | 90 |
| c | ||||
| K [mm] | 70 | 78 | 100 | 107 |