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Usage: modulating kit
The regulating valve is used to adjust the oil flow at the backflow of the burner unit. This is needed to ensure the proper nozzle flow and burner output required.
Material: Casing of hydraulic cart iron GGG 40
| Type | Pressure stage | Connection | Flow rate I/h |
Viscosity stage cSt |
Article- no. |
Weight kg |
For fuel oil |
|---|---|---|---|---|---|---|---|
| DRV 18 EL | 2 = 2-18 bar 3 = 15-25 bar |
G 3/8“ | 300-600 | 2,8 to 480 | 025 0202 | 1,5 | EL |
| DRV 19 EL | G 3/4“ | 1000-2000 | 2,8 to 480 | 025 0206 | 3 | EL | |
| DRV 21 S | G 3/8“ | 300-600 | 2,8 to 480 | 025 0210 | 1,5 | S | |
| DRV 22 S | G 3/4“ | 1000-2000 | 2,8 to 480 | 025 0214 | 3 | S |
Pressure
Turning the pressure regulating screw to the right (clockwise) with a screwdriver will increase the pressure and turning it to the left (counterclockwise) will reduce the pressure
Description: 4 Regulating screw | 9 Valve Cone | 10 Piston | 11 Spring
| Size chart | a | b1 | b2 | b3 | b4 | Flange connection | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| L | B | Hole Pattern | Hole Pattern | Ø | ||||||
| DRV 18 EL + 21 S | 54 | 102 | 56 | 46 | 250 | 70 | 48 | 58 54 x 30 |
2 4 |
8 |
| DRV 19 EL + 22 S | 63 | 119 | 76 | 46 | 300 | 70 | 70 | 54 x 54 | 4 | 8 |
