English 
Spanish 
German 
French 
Italian 
Mode of operation E; with adjustment screw
For lubricating and hydraulic oils and many other self-lubricating, non-corrosive fluids.
Maximum temperature of delivery fluid: 150° C.
Material: casing of hydraulic cast iron GGG 40 with certificate 3.1 B Piston, valve tip, spring of hardened steel.
Action: directly controlled, spring-loaded overflow valve to maintain a set operating pressure or a set maximum pressure.
| Type | Pressure stage | SAE-Flange connection |
Flow rate I/h |
Viscosity stage cSt |
Article- no. |
Weight kg |
| B – G – E – SAE 1/2 | 2 = 2 – 9 bar 3 = 15 – 25 bar 4 = 15 – 40 bar |
G 1/2“ | 30 – 600 | 2,8 to 480 | 027 0210 | 2,30 |
| B – GH – E – SAE 3/4“ | G 3/4“ | 100 – 2000 | 2,8 to 480 | 027 0220 | 4,10 | |
| B – GHG – E – SAE 1“ | G1“ | 300 – 6000 | 2,8 to 480 | 027 0230 | 6,30 |
Model equipped with regulating screw
Turning the pressure regulating screw to the right (clockwise) with a hexagon screwdriver will increase the pressure and turning it to the left (counterclockwise) will reduce the pressure.
| Size chart | a | b1 | c1 | d1 | d3 | f1 | f2 | SAE Flange connection | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | A | B | M | ||||||||
| BG – E – SAE 1/2“ | 55 | 51 | 37 | 68 | 54 | Ø 13 | G1/4“ | 1/2“ | 38,1 | 17,5 | M 8 |
| BGH – E – SAE 3/4“ | 63 | 57 | 43 | 88 | 65 | Ø 19 | G1/4“ | 3/4“ | 47,6 | 22,2 | M 10 |
| BGH – E – SAE 1“ | 80 | 69 | 68 | 102 | 68 | Ø 25 | G1/4“ | 1“ | 52,4 | 26,2 | M 10 |
