Pressure reducer DRV 478 - for water and neutral liquids - red brass - R 1/2 to R 2 1/2 - max. inlet pressure up to 40 bar - outlet pressure range 0.5 to 9 bar
| From € 170,24 |
| Price incl. VAT |
| plus € 29,00 shipping costs |
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Product Description
- Diaphragm-controlled pressure reducing valve with pre-pressure compensation for reliable reduction of an inlet pressure down to 0.5 bar from a back pressure of 0.5 to 9 bar in water, compressed air and neutral media systems with medium to high flow rates.
- The DRV 478 is a diaphragm-controlled pressure reducing valve with pre-pressure compensation for infinitely variable adjustment of a back pressure of 0.5 to 9 bar at a maximum pre-pressure of 40 bar.
- It features external threads in accordance with ISO 7, an integrated dirt trap, replaceable internal parts and G 1/4" pressure gauge connections on both sides for pressure monitoring.
- The robust red brass housing with NBR seals is designed for operating temperatures up to 100 °C and is suitable for use in water- and gas-carrying industrial applications.
- Front compensation
- membrane-controlled
- stepless adjustment of the back pressure
- max. inlet pressure up to 40 bar
- Back pressure range - 0.5 - 9 bar
- External thread according to ISO 7, from R 1/2" to R 2 1/2"
- with integrated dirt trap
- Cartridge / internal parts replaceable
- double-sided pressure gauge connection G 1/4“ (for rear pressure)
- Can be installed in any position, preferably vertically
- Minimum pressure difference (front and rear pressure) - 1 bar
- Temperature - -15°C to +100°C
- Housing - Red brass CC499K
- Spring cover - up to DN 32 brass, from DN 40 grey cast iron
- Membranes and seals - NBR
- media-wetted internal parts - up to DN 32 Hostaform C & brass, from DN 40 brass
- Price per piece
Versions: (7)
Narrow down your selection
Thread
Nominal diameter
Installation instructions
Gehäuselänge
max. front pressure
Item No.: 453300047802
Type
| Thread | R 1/2“ |
| Nominal diameter | DN 15 |
| Installation instructions | 78 mm |
| Gehäuselänge | 134 mm |
| max. front pressure | 40 bar |
Item No.: 453300047803
Type
| Thread | R 3/4" |
| Nominal diameter | DN 20 |
| Installation instructions | 78 mm |
| Gehäuselänge | 141 mm |
| max. front pressure | 40 bar |
Item No.: 453300047804
Type
| Thread | R 1“ |
| Nominal diameter | DN 25 |
| Installation instructions | 90 mm |
| Gehäuselänge | 161 mm |
| max. front pressure | 40 bar |
Item No.: 453300047805
Type
| Thread | R 1 1/4" |
| Nominal diameter | DN 32 |
| Installation instructions | 100 mm |
| Gehäuselänge | 177 mm |
| max. front pressure | 40 bar |
Item No.: 453300047806
Type
| Thread | R 1 1/2" |
| Nominal diameter | DN 40 |
| Installation instructions | 125 mm |
| Gehäuselänge | 210 mm |
| max. front pressure | 25 bar |
Item No.: 453300047807
Type
| Thread | R 2“ |
| Nominal diameter | DN 50 |
| Installation instructions | 126 mm |
| Gehäuselänge | 210 mm |
| max. front pressure | 25 bar |
Item No.: 453300047808
Type
| Thread | R 2 1/2" |
| Nominal diameter | DN 65 |
| Installation instructions | 150 mm |
| Gehäuselänge | 273 mm |
| max. front pressure | 25 bar |
Ratings
No evaluation has been given
