Direct-acting, pressure reducing-relieving valves of PR series reduce a high primary pressure at the inlet to a constant reduced pressure at the outlet, with a full-flow relief function from the outlet to a tank.
Maximum pressure 350 bar, maximum flow 40 through 320 lpm.
Order Codes
- PR2B-T11A-LAN
- ab – c – def
- a. Valve model: PR;
- 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: 35~210 bar, B: 6,5~105 bar, D: 5~55 bar, E: 2~25 bar;
- f. Seal material: N: buna-N, V: viton.
Symbol
Technical Data
Pressure reducing-relieving valves | PR2B | PR3B | PR6B | PR8B |
---|---|---|---|---|
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] | 0,2 | 0,36 | 0,76 | 1,58 |
Performance Graphs
Regulated pressure
Dimensions
Dimension table | PR2B | PR3B | PR6B | PR8B |
---|---|---|---|---|
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 |